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Rev | Author | Line No. | Line |
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68 | daniel-mar | 1 | unit UD2_Utils; |
2 | |||
3 | interface |
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4 | |||
5 | {$IF CompilerVersion >= 25.0} |
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6 | {$LEGACYIFEND ON} |
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7 | {$IFEND} |
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8 | |||
70 | daniel-mar | 9 | {$INCLUDE 'UserDetect2.inc'} |
10 | |||
68 | daniel-mar | 11 | uses |
85 | daniel-mar | 12 | Windows, SysUtils, Dialogs, ShellAPI, Classes, UD2_Parsing; |
68 | daniel-mar | 13 | |
73 | daniel-mar | 14 | const |
15 | EXITCODE_OK = 0; |
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16 | EXITCODE_TASK_NOTHING_MATCHES = 1; |
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17 | EXITCODE_RUN_FAILURE = 2; |
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18 | EXITCODE_TASK_NOT_EXISTS = 10; |
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19 | EXITCODE_INI_NOT_FOUND = 11; |
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20 | EXITCODE_RUNCMD_SYNTAX_ERROR = 12; |
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81 | daniel-mar | 21 | EXITCODE_SYNTAX_ERROR = 13; |
73 | daniel-mar | 22 | |
68 | daniel-mar | 23 | type |
82 | daniel-mar | 24 | TArrayOfString = array of string; |
68 | daniel-mar | 25 | |
26 | TIconFileIdx = record |
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27 | FileName: string; |
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28 | IconIndex: integer; |
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29 | end; |
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30 | |||
82 | daniel-mar | 31 | function SplitString(const aSeparator, aString: string; aMax: Integer = 0): TArrayOfString; |
32 | function BetterInterpreteBool(str: string): boolean; |
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68 | daniel-mar | 33 | function GetOwnCmdName: string; |
34 | function ExpandEnvStr(const szInput: string): string; |
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85 | daniel-mar | 35 | procedure UD2_RunCMD(cmd: TUD2Command); |
68 | daniel-mar | 36 | function SplitIconString(IconString: string): TIconFileIdx; |
37 | // function GetHTML(AUrl: string): string; |
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38 | procedure VTS_CheckUpdates(VTSID, CurVer: string); |
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71 | daniel-mar | 39 | function FormatOSError(ec: DWORD): string; |
81 | daniel-mar | 40 | function CheckBoolParam(idx: integer; name: string): boolean; |
82 | daniel-mar | 41 | function IndexOf_CS(aStrings: TStrings; aToken: String): Integer; |
42 | function UD2_GetThreadErrorMode: DWORD; |
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43 | function UD2_SetThreadErrorMode(dwNewMode: DWORD; lpOldMode: LPDWORD): BOOL; |
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68 | daniel-mar | 44 | |
45 | implementation |
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46 | |||
47 | uses |
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48 | WinInet, Forms; |
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49 | |||
82 | daniel-mar | 50 | function SplitString(const aSeparator, aString: string; aMax: Integer = 0): TArrayOfString; |
68 | daniel-mar | 51 | // http://stackoverflow.com/a/2626991/3544341 |
52 | var |
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53 | i, strt, cnt: Integer; |
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54 | sepLen: Integer; |
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55 | |||
56 | procedure AddString(aEnd: Integer = -1); |
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57 | var |
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58 | endPos: Integer; |
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59 | begin |
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60 | if (aEnd = -1) then |
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61 | endPos := i |
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62 | else |
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63 | endPos := aEnd + 1; |
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64 | |||
65 | if (strt < endPos) then |
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66 | result[cnt] := Copy(aString, strt, endPos - strt) |
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67 | else |
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68 | result[cnt] := ''; |
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69 | |||
70 | Inc(cnt); |
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71 | end; |
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72 | |||
73 | begin |
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74 | if (aString = '') or (aMax < 0) then |
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75 | begin |
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76 | SetLength(result, 0); |
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77 | EXIT; |
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78 | end; |
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79 | |||
80 | if (aSeparator = '') then |
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81 | begin |
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82 | SetLength(result, 1); |
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83 | result[0] := aString; |
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84 | EXIT; |
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85 | end; |
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86 | |||
87 | sepLen := Length(aSeparator); |
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88 | SetLength(result, (Length(aString) div sepLen) + 1); |
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89 | |||
90 | i := 1; |
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91 | strt := i; |
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92 | cnt := 0; |
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93 | while (i <= (Length(aString)- sepLen + 1)) do |
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94 | begin |
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95 | if (aString[i] = aSeparator[1]) then |
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96 | if (Copy(aString, i, sepLen) = aSeparator) then |
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97 | begin |
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98 | AddString; |
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99 | |||
100 | if (cnt = aMax) then |
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101 | begin |
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102 | SetLength(result, cnt); |
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103 | EXIT; |
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104 | end; |
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105 | |||
106 | Inc(i, sepLen - 1); |
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107 | strt := i + 1; |
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108 | end; |
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109 | |||
110 | Inc(i); |
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111 | end; |
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112 | |||
113 | AddString(Length(aString)); |
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114 | |||
115 | SetLength(result, cnt); |
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116 | end; |
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117 | |||
82 | daniel-mar | 118 | function BetterInterpreteBool(str: string): boolean; |
68 | daniel-mar | 119 | resourcestring |
120 | LNG_CANNOT_INTERPRETE_BOOL = 'Cannot determinate the boolean value of "%s"'; |
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121 | begin |
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122 | str := LowerCase(str); |
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123 | if (str = 'yes') or (str = 'true') or (str = '1') then |
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124 | result := true |
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125 | else if (str = 'no') or (str = 'false') or (str = '0') then |
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126 | result := false |
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127 | else |
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128 | raise EConvertError.CreateFmt(LNG_CANNOT_INTERPRETE_BOOL, [str]); |
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129 | end; |
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130 | |||
131 | function GetOwnCmdName: string; |
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132 | begin |
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133 | result := ParamStr(0); |
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134 | result := ExtractFileName(result); |
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135 | result := ChangeFileExt(result, ''); |
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136 | result := UpperCase(result); |
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137 | end; |
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138 | |||
139 | function ExpandEnvStr(const szInput: string): string; |
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140 | // http://stackoverflow.com/a/2833147/3544341 |
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141 | const |
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142 | MAXSIZE = 32768; |
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143 | begin |
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144 | SetLength(Result, MAXSIZE); |
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145 | SetLength(Result, ExpandEnvironmentStrings(pchar(szInput), |
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146 | @Result[1],length(Result))); |
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147 | end; |
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148 | |||
71 | daniel-mar | 149 | function FormatOSError(ec: DWORD): string; |
68 | daniel-mar | 150 | resourcestring |
151 | LNG_UNKNOWN_ERROR = 'Operating system error %d'; |
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71 | daniel-mar | 152 | begin |
153 | result := SysErrorMessage(ec); |
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154 | |||
155 | // Some errors have no error message, e.g. error 193 (BAD_EXE_FORMAT) in the German version of Windows 10 |
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156 | if result = '' then result := Format(LNG_UNKNOWN_ERROR, [ec]); |
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157 | end; |
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158 | |||
73 | daniel-mar | 159 | function CheckLastOSCall(AThrowException: boolean): boolean; |
68 | daniel-mar | 160 | var |
161 | LastError: Cardinal; |
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162 | begin |
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163 | LastError := GetLastError; |
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73 | daniel-mar | 164 | result := LastError = 0; |
165 | if not result then |
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68 | daniel-mar | 166 | begin |
167 | if AThrowException then |
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168 | begin |
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169 | RaiseLastOSError; |
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170 | end |
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171 | else |
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172 | begin |
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71 | daniel-mar | 173 | MessageDlg(FormatOSError(LastError), mtError, [mbOK], 0); |
68 | daniel-mar | 174 | end; |
175 | end; |
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176 | end; |
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177 | |||
178 | function SplitIconString(IconString: string): TIconFileIdx; |
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179 | var |
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180 | p: integer; |
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181 | begin |
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182 | p := Pos(',', IconString); |
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183 | |||
184 | if p = 0 then |
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185 | begin |
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186 | result.FileName := IconString; |
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187 | result.IconIndex := 0; |
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188 | end |
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189 | else |
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190 | begin |
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191 | result.FileName := ExpandEnvStr(copy(IconString, 0, p-1)); |
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192 | result.IconIndex := StrToInt(Copy(IconString, p+1, Length(IconString)-p)); |
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193 | end; |
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194 | end; |
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195 | |||
85 | daniel-mar | 196 | procedure UD2_RunCMD(cmd: TUD2Command); |
68 | daniel-mar | 197 | // Discussion: http://stackoverflow.com/questions/32802679/acceptable-replacement-for-winexec/32804669#32804669 |
198 | // Version 1: http://pastebin.com/xQjDmyVe |
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199 | // --> CreateProcess + ShellExecuteEx |
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200 | // --> Problem: Run-In-Same-Directory functionality is not possible |
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201 | // (requires manual command and argument separation) |
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202 | // Version 2: http://pastebin.com/YpUmF5rd |
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203 | // --> Splits command and arguments manually, and uses ShellExecute |
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204 | // --> Problem: error handling wrong |
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205 | // --> Problem: Run-In-Same-Directory functionality is not implemented |
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206 | // Current version: |
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207 | // --> Splits command and arguments manually, and uses ShellExecute |
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208 | // --> Run-In-Same-Directory functionality is implemented |
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209 | resourcestring |
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210 | LNG_INVALID_SYNTAX = 'The command line has an invalid syntax'; |
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211 | var |
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212 | cmdFile, cmdArgs, cmdDir: string; |
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213 | p: integer; |
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214 | sei: TShellExecuteInfo; |
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85 | daniel-mar | 215 | cmdLine: string; |
68 | daniel-mar | 216 | begin |
217 | // We need a function which does following: |
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218 | // 1. Replace the Environment strings, e.g. %SystemRoot% |
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219 | // 2. Runs EXE files with parameters (e.g. "cmd.exe /?") |
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220 | // 3. Runs EXE files without path (e.g. "calc.exe") |
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221 | // 4. Runs EXE files without extension (e.g. "calc") |
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222 | // 5. Runs non-EXE files (e.g. "Letter.doc") |
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223 | // 6. Commands with white spaces (e.g. "C:\Program Files\xyz.exe") must be enclosed in quotes. |
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79 | daniel-mar | 224 | |
85 | daniel-mar | 225 | cmdLine := ExpandEnvStr(cmd.executable); |
68 | daniel-mar | 226 | |
227 | // Split command line from argument list |
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228 | if Copy(cmdLine, 1, 1) = '"' then |
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229 | begin |
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230 | cmdLine := Copy(cmdLine, 2, Length(cmdLine)-1); |
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231 | p := Pos('"', cmdLine); |
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232 | if p = 0 then |
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233 | begin |
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234 | // No matching quotes |
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235 | // CreateProcess() handles the whole command line as single file name ("abc -> "abc") |
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236 | // ShellExecuteEx() does not accept the command line |
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73 | daniel-mar | 237 | ExitCode := EXITCODE_RUNCMD_SYNTAX_ERROR; |
68 | daniel-mar | 238 | MessageDlg(LNG_INVALID_SYNTAX, mtError, [mbOK], 0); |
239 | Exit; |
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240 | end; |
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241 | cmdFile := Copy(cmdLine, 1, p-1); |
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242 | cmdArgs := Copy(cmdLine, p+2, Length(cmdLine)-p-1); |
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243 | end |
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244 | else |
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245 | begin |
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246 | p := Pos(' ', cmdLine); |
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247 | if p = 0 then |
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248 | begin |
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249 | cmdFile := cmdLine; |
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250 | cmdArgs := ''; |
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251 | end |
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252 | else |
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253 | begin |
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254 | cmdFile := Copy(cmdLine, 1, p-1); |
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255 | cmdArgs := Copy(cmdLine, p+1, Length(cmdLine)-p); |
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256 | end; |
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257 | end; |
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258 | |||
81 | daniel-mar | 259 | ZeroMemory(@sei, SizeOf(sei)); |
260 | |||
85 | daniel-mar | 261 | if cmd.runAsAdmin then |
81 | daniel-mar | 262 | begin |
263 | sei.lpVerb := 'runas'; |
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264 | end; |
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265 | |||
85 | daniel-mar | 266 | if cmd.runInOwnDirectory then |
68 | daniel-mar | 267 | begin |
268 | cmdFile := ExtractFileName(cmdLine); |
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269 | cmdDir := ExtractFilePath(cmdLine); |
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270 | end |
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271 | else |
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272 | begin |
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273 | cmdFile := cmdLine; |
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274 | cmdDir := ''; |
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275 | end; |
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276 | |||
277 | sei.cbSize := SizeOf(sei); |
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278 | sei.lpFile := PChar(cmdFile); |
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70 | daniel-mar | 279 | {$IFNDEF PREFER_SHELLEXECUTEEX_MESSAGES} |
280 | sei.fMask := SEE_MASK_FLAG_NO_UI; |
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281 | {$ENDIF} |
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68 | daniel-mar | 282 | if cmdArgs <> '' then sei.lpParameters := PChar(cmdArgs); |
283 | if cmdDir <> '' then sei.lpDirectory := PChar(cmdDir); |
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85 | daniel-mar | 284 | sei.nShow := cmd.windowMode; |
68 | daniel-mar | 285 | if ShellExecuteEx(@sei) then Exit; |
70 | daniel-mar | 286 | {$IFNDEF PREFER_SHELLEXECUTEEX_MESSAGES} |
73 | daniel-mar | 287 | if not CheckLastOSCall(false) then ExitCode := EXITCODE_RUN_FAILURE; |
70 | daniel-mar | 288 | {$ENDIF} |
68 | daniel-mar | 289 | end; |
290 | |||
291 | function GetHTML(AUrl: string): string; |
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292 | // http://www.delphipraxis.net/post43515.html |
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79 | daniel-mar | 293 | // Modificated by ViaThinkSoft |
68 | daniel-mar | 294 | var |
295 | databuffer : array[0..4095] of char; |
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296 | ResStr : string; |
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297 | hSession, hfile: hInternet; |
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298 | dwindex,dwcodelen,dwread,dwNumber: cardinal; |
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299 | dwcode : array[1..20] of char; |
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300 | res : pchar; |
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301 | Str : pchar; |
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302 | begin |
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79 | daniel-mar | 303 | ResStr := ''; |
304 | if system.pos('http://',lowercase(AUrl)) = 0 then |
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305 | begin |
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68 | daniel-mar | 306 | AUrl:='http://'+AUrl; |
79 | daniel-mar | 307 | end; |
68 | daniel-mar | 308 | |
79 | daniel-mar | 309 | // [ViaThinkSoft] Added |
68 | daniel-mar | 310 | Application.ProcessMessages; |
311 | |||
312 | hSession:=InternetOpen('InetURL:/1.0', |
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313 | INTERNET_OPEN_TYPE_PRECONFIG, |
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314 | nil, |
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315 | nil, |
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316 | 0); |
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317 | if assigned(hsession) then |
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318 | begin |
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79 | daniel-mar | 319 | // [ViaThinkSoft] Added |
320 | Application.ProcessMessages; |
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68 | daniel-mar | 321 | |
79 | daniel-mar | 322 | hfile := InternetOpenUrl(hsession, |
323 | pchar(AUrl), |
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324 | nil, |
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325 | 0, |
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326 | INTERNET_FLAG_RELOAD, |
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327 | 0); |
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328 | dwIndex := 0; |
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68 | daniel-mar | 329 | dwCodeLen := 10; |
330 | |||
79 | daniel-mar | 331 | // [ViaThinkSoft] Added |
332 | Application.ProcessMessages; |
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68 | daniel-mar | 333 | |
334 | HttpQueryInfo(hfile, |
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335 | HTTP_QUERY_STATUS_CODE, |
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336 | @dwcode, |
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337 | dwcodeLen, |
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338 | dwIndex); |
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339 | res := pchar(@dwcode); |
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340 | dwNumber := sizeof(databuffer)-1; |
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341 | if (res ='200') or (res ='302') then |
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342 | begin |
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343 | while (InternetReadfile(hfile, |
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344 | @databuffer, |
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345 | dwNumber, |
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346 | DwRead)) do |
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347 | begin |
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348 | |||
79 | daniel-mar | 349 | // [ViaThinkSoft] Added |
350 | Application.ProcessMessages; |
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68 | daniel-mar | 351 | |
352 | if dwRead =0 then |
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353 | break; |
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354 | databuffer[dwread]:=#0; |
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355 | Str := pchar(@databuffer); |
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356 | resStr := resStr + Str; |
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357 | end; |
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358 | end |
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359 | else |
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360 | ResStr := 'Status:'+res; |
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361 | if assigned(hfile) then |
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362 | InternetCloseHandle(hfile); |
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363 | end; |
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364 | |||
365 | // Hinzugefügt |
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366 | Application.ProcessMessages; |
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367 | |||
368 | InternetCloseHandle(hsession); |
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369 | Result := resStr; |
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370 | end; |
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371 | |||
372 | procedure VTS_CheckUpdates(VTSID, CurVer: string); |
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373 | resourcestring |
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374 | (* |
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375 | LNG_DOWNLOAD_ERR = 'Ein Fehler ist aufgetreten. Wahrscheinlich ist keine Internetverbindung aufgebaut, oder der der ViaThinkSoft-Server temporär offline.'; |
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376 | LNG_NEW_VERSION = 'Eine neue Programmversion ist vorhanden. Möchten Sie diese jetzt herunterladen?'; |
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377 | LNG_NO_UPDATE = 'Es ist keine neue Programmversion vorhanden.'; |
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378 | *) |
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379 | LNG_DOWNLOAD_ERR = 'An error occurred while searching for updates. Please check your internet connection and firewall.'; |
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380 | LNG_NEW_VERSION = 'A new version is available. Do you want to download it now?'; |
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381 | LNG_NO_UPDATE = 'You already have the newest program version.'; |
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382 | var |
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79 | daniel-mar | 383 | status: string; |
68 | daniel-mar | 384 | begin |
79 | daniel-mar | 385 | status := GetHTML('http://www.viathinksoft.de/update/?id='+VTSID); |
386 | if Copy(status, 0, 7) = 'Status:' then |
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68 | daniel-mar | 387 | begin |
388 | MessageDlg(LNG_DOWNLOAD_ERR, mtError, [mbOK], 0); |
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389 | end |
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390 | else |
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391 | begin |
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79 | daniel-mar | 392 | if status <> CurVer then |
68 | daniel-mar | 393 | begin |
394 | if MessageDlg(LNG_NEW_VERSION, mtConfirmation, mbYesNoCancel, 0) = ID_YES then |
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395 | begin |
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82 | daniel-mar | 396 | shellexecute(application.handle, 'open', pchar('http://www.viathinksoft.de/update/?id=@'+VTSID), '', '', SW_Normal); |
68 | daniel-mar | 397 | end; |
398 | end |
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399 | else |
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400 | begin |
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401 | MessageDlg(LNG_NO_UPDATE, mtInformation, [mbOk], 0); |
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402 | end; |
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403 | end; |
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404 | end; |
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405 | |||
81 | daniel-mar | 406 | function CheckBoolParam(idx: integer; name: string): boolean; |
407 | begin |
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408 | Result := ('/'+LowerCase(name) = LowerCase(ParamStr(idx))) or |
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409 | ('-'+LowerCase(name) = LowerCase(ParamStr(idx))); |
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410 | end; |
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411 | |||
82 | daniel-mar | 412 | // function GetThreadErrorMode: DWORD; stdcall; external kernel32 name 'GetThreadErrorMode'; |
413 | function UD2_GetThreadErrorMode: DWORD; |
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414 | type |
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415 | TFuncGetThreadErrorMode = function: DWORD; stdcall; |
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416 | var |
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417 | dllHandle: Cardinal; |
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418 | fGetThreadErrorMode: TFuncGetThreadErrorMode; |
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419 | begin |
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420 | dllHandle := LoadLibrary(kernel32); |
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421 | if dllHandle = 0 then |
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422 | begin |
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423 | result := 0; |
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424 | Exit; |
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425 | end; |
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426 | try |
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427 | @fGetThreadErrorMode := GetProcAddress(dllHandle, 'GetThreadErrorMode'); |
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428 | if not Assigned(fGetThreadErrorMode) then |
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429 | begin |
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430 | result := 0; // Windows Vista and prior |
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431 | Exit; |
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432 | end; |
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433 | result := fGetThreadErrorMode(); |
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434 | finally |
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435 | FreeLibrary(dllHandle); |
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436 | end; |
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437 | end; |
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438 | |||
439 | // function SetThreadErrorMode(dwNewMode: DWORD; lpOldMode: LPDWORD): BOOL; stdcall; external kernel32 name 'SetThreadErrorMode'; |
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440 | function UD2_SetThreadErrorMode(dwNewMode: DWORD; lpOldMode: LPDWORD): BOOL; |
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441 | type |
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442 | TFuncSetThreadErrorMode = function(dwNewMode: DWORD; lpOldMode: LPDWORD): BOOL; stdcall; |
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443 | var |
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444 | dllHandle: Cardinal; |
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445 | fSetThreadErrorMode: TFuncSetThreadErrorMode; |
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446 | begin |
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447 | dllHandle := LoadLibrary(kernel32); |
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448 | if dllHandle = 0 then |
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449 | begin |
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450 | result := FALSE; |
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451 | if Assigned(lpOldMode) then lpOldMode^ := UD2_GetThreadErrorMode; |
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452 | Exit; |
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453 | end; |
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454 | try |
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455 | @fSetThreadErrorMode := GetProcAddress(dllHandle, 'SetThreadErrorMode'); |
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456 | if not Assigned(fSetThreadErrorMode) then |
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457 | begin |
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458 | result := FALSE; // Windows Vista and prior |
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459 | if Assigned(lpOldMode) then lpOldMode^ := UD2_GetThreadErrorMode; |
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460 | Exit; |
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461 | end; |
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462 | result := fSetThreadErrorMode(dwNewMode, lpOldMode); |
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463 | finally |
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464 | FreeLibrary(dllHandle); |
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465 | end; |
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466 | end; |
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467 | |||
468 | function IndexOf_CS(aStrings: TStrings; aToken: String): Integer; |
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469 | var |
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85 | daniel-mar | 470 | i: Integer; |
82 | daniel-mar | 471 | begin |
472 | Result := -1; |
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85 | daniel-mar | 473 | for i := 0 to aStrings.Count-1 do |
474 | begin |
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475 | if aStrings[i] = aToken then |
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476 | begin |
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82 | daniel-mar | 477 | Result := i; |
478 | Break; |
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479 | end; |
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85 | daniel-mar | 480 | end; |
82 | daniel-mar | 481 | end; |
482 | |||
68 | daniel-mar | 483 | end. |