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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | daniel-mar | 1 | unit DXGUIDEdit; |
| 2 | |||
| 3 | interface |
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| 4 | |||
| 5 | uses |
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| 6 | Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, |
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| 7 | StdCtrls, ActiveX, ComObj; |
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| 8 | |||
| 9 | type |
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| 10 | TDelphiXGUIDEditForm = class(TForm) |
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| 11 | Edit: TEdit; |
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| 12 | OKButton: TButton; |
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| 13 | CancelButton: TButton; |
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| 14 | NewButton: TButton; |
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| 15 | procedure NewButtonClick(Sender: TObject); |
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| 16 | procedure EditChange(Sender: TObject); |
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| 17 | procedure CancelButtonClick(Sender: TObject); |
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| 18 | procedure OKButtonClick(Sender: TObject); |
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| 19 | procedure EditExit(Sender: TObject); |
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| 20 | procedure FormShow(Sender: TObject); |
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| 21 | procedure EditEnter(Sender: TObject); |
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| 22 | private |
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| 23 | FChanged: Boolean; |
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| 24 | FOldGUID: string; |
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| 25 | public |
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| 26 | GUID: string; |
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| 27 | end; |
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| 28 | |||
| 29 | var |
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| 30 | DelphiXGUIDEditForm: TDelphiXGUIDEditForm; |
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| 31 | |||
| 32 | implementation |
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| 33 | |||
| 34 | uses DXConsts; |
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| 35 | |||
| 36 | {$R *.DFM} |
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| 37 | |||
| 38 | const |
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| 39 | SIsGUIDnewlyMade = 'Is GUID newly made?'; |
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| 40 | |||
| 41 | procedure TDelphiXGUIDEditForm.OKButtonClick(Sender: TObject); |
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| 42 | begin |
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| 43 | if FChanged then |
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| 44 | begin |
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| 45 | GUID := GUIDToString(StringToGUID(Edit.Text)); |
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| 46 | Tag := 1; |
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| 47 | end; |
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| 48 | Close; |
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| 49 | end; |
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| 50 | |||
| 51 | procedure TDelphiXGUIDEditForm.CancelButtonClick(Sender: TObject); |
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| 52 | begin |
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| 53 | Close; |
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| 54 | end; |
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| 55 | |||
| 56 | procedure TDelphiXGUIDEditForm.NewButtonClick(Sender: TObject); |
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| 57 | var |
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| 58 | GUID: TGUID; |
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| 59 | begin |
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| 60 | if Application.MessageBox(PChar(SIsGUIDnewlyMade), 'GUID', MB_YESNO or MB_ICONQUESTION or MB_DEFBUTTON2)<>IDYES then Exit; |
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| 61 | |||
| 62 | if CoCreateGuid(GUID)<>0 then |
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| 63 | raise Exception.CreateFmt(SCannotMade, ['GUID']); |
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| 64 | Edit.Text := GUIDToString(GUID); |
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| 65 | FChanged := True; |
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| 66 | end; |
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| 67 | |||
| 68 | procedure TDelphiXGUIDEditForm.EditChange(Sender: TObject); |
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| 69 | begin |
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| 70 | FChanged := True; |
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| 71 | end; |
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| 72 | |||
| 73 | procedure TDelphiXGUIDEditForm.EditExit(Sender: TObject); |
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| 74 | begin |
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| 75 | try |
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| 76 | Edit.Text := GUIDToString(StringToGUID(Edit.Text)); |
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| 77 | except |
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| 78 | Edit.Text := FOldGUID; |
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| 79 | raise; |
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| 80 | end; |
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| 81 | end; |
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| 82 | |||
| 83 | procedure TDelphiXGUIDEditForm.FormShow(Sender: TObject); |
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| 84 | begin |
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| 85 | Edit.Text := GUIDToString(StringToGUID(GUID)); |
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| 86 | end; |
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| 87 | |||
| 88 | procedure TDelphiXGUIDEditForm.EditEnter(Sender: TObject); |
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| 89 | begin |
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| 90 | FOldGUID := Edit.Text; |
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| 91 | end; |
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| 92 | |||
| 93 | end. |