mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-05-03 21:03:49 +02:00
149d3a219a
- fix screenshot example bug (use GetDC(0) instead of DC = 0) - fix image example - clear LazIntfImage before experiments (part of issue #0019123) - remove all .lrs, .rc files and use .lfm, .res instead git-svn-id: trunk@30244 -
52 lines
805 B
ObjectPascal
52 lines
805 B
ObjectPascal
unit screenshotunit;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
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ExtCtrls, Buttons, LCLType, LCLIntf;
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type
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{ TfrmScreenshot }
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TfrmScreenshot = class(TForm)
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btnScreenshot: TBitBtn;
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imgScreenshot: TImage;
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procedure btnScreenshotClick(Sender: TObject);
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private
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{ private declarations }
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public
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{ public declarations }
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end;
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var
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frmScreenshot: TfrmScreenshot;
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implementation
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{$R *.lfm}
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{ TfrmScreenshot }
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procedure TfrmScreenshot.btnScreenshotClick(Sender: TObject);
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var
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bmp: TBitmap;
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DC: HDC;
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begin
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bmp := TBitmap.Create;
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DC := GetDC(0);
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try
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bmp.LoadFromDevice(DC);
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finally
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ReleaseDC(0, DC);
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end;
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imgScreenshot.Picture.Bitmap.Assign(bmp);
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FreeAndNil(bmp);
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end;
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end.
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