unit UnitSetScrSize;interfaceuses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; Button2: TButton; procedure FormCreate(Sender: TObject); private { Private declarations } public { Public declarations } function DynamicResolution(X,Y:word):bool; end;var Form1: TForm1;implementation{$R *.DFM}{ TForm1 }function TForm1.DynamicResolution(X, Y: word): bool; Var lpDevMode:TDeviceMode; begin result := EnumDisplaySettings(nil,0,lpDevMode); if result then begin lpDevMode.dmFields := DM_PELSWIDTH or DM_PELSHEIGHT; lpDevMode.dmPelsWidth := X; lpDevMode.dmPelsHeight := Y; result := ChangeDisplaySettings(lpDevMode,0)=DISP_CHANGE_SUCCESSFUL; end; end;procedure TForm1.FormCreate(Sender: TObject); begin if screen.Height<>1024 then if DynamicResolution(1024,768) then showmessage('屏幕的分辨率已成功设为:1024*768'); end;end.
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
function DynamicResolution(X,Y:word):bool;
end;var
Form1: TForm1;implementation{$R *.DFM}{ TForm1 }function TForm1.DynamicResolution(X, Y: word): bool;
Var
lpDevMode:TDeviceMode;
begin
result := EnumDisplaySettings(nil,0,lpDevMode);
if result then
begin
lpDevMode.dmFields := DM_PELSWIDTH or DM_PELSHEIGHT;
lpDevMode.dmPelsWidth := X;
lpDevMode.dmPelsHeight := Y;
result := ChangeDisplaySettings(lpDevMode,0)=DISP_CHANGE_SUCCESSFUL;
end;
end;procedure TForm1.FormCreate(Sender: TObject);
begin
if screen.Height<>1024 then
if DynamicResolution(1024,768) then
showmessage('屏幕的分辨率已成功设为:1024*768');
end;end.