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How to change your screen resolution Turn on/off line numbers in source code. Switch to Orginial background IDE or DSP color Comment or reply to this aritlce/tip for discussion. Bookmark this article to my favorite article(s). Print this article
Change your screen resolution 08-Jun-04
Category
Win API
Language
Delphi All Versions
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288
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Publisher:
Darley, F. Joe
Reference URL:
			1   
2   unit Unit1;
3   
4   interface
5   
6   uses
7     Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
8     Dialogs, StdCtrls;
9   
10  type
11    TForm1 = class(TForm)
12      Button1: TButton;
13      procedure Button1Click(Sender: TObject);
14    private
15      { Private declarations }
16    public
17      { Public declarations }
18    end;
19  
20  var
21    Form1: TForm1;
22  
23  implementation
24  
25  {$R *.dfm}
26  
27  procedure TForm1.Button1Click(Sender: TObject);
28  
29  var
30    DevMode: TDeviceMode;
31  begin
32    EnumDisplaySettings( nil, 0, DevMode );
33    DevMode.dmFields := DM_PELSWIDTH or DM_PELSHEIGHT;
34    DevMode.dmPelsWidth := 1024;
35    DevMode.dmPelsHeight := 768;
36  if ChangeDisplaySettings(DevMode, CDS_UPDATEREGISTRY)
37    = DISP_CHANGE_SUCCESSFUL then
38   showmessage('Unable to change screen resolution');
39   else
40   showmessage('Success!');
41  
42  end;
43  
44  end.


			
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