procedure TForm1.Button1Click(Sender: TObject); var x,y:longint; begin x := Screen.Width; y := Screen.Height; ShowMessage('显示器水平区域:'+IntToStr(x)); ShowMessage('显示器垂直区域:'+IntToStr(y)); end; 或者 procedure TForm1.Button2Click(Sender: TObject); var x,y:longint; begin x := GetSystemMetrics(SM_CXSCREEN); y := GetSystemMetrics(SM_CYSCREEN); ShowMessage('显示器水平区域:'+IntToStr(x)); ShowMessage('显示器垂直区域:'+IntToStr(y)); end;
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, CDS_UPDATEREGISTRY) = DISP_CHANGE_SUCCESSFUL;
var x,y:longint;
begin
x := Screen.Width;
y := Screen.Height;
ShowMessage('显示器水平区域:'+IntToStr(x));
ShowMessage('显示器垂直区域:'+IntToStr(y));
end;
或者
procedure TForm1.Button2Click(Sender: TObject);
var x,y:longint;
begin
x := GetSystemMetrics(SM_CXSCREEN);
y := GetSystemMetrics(SM_CYSCREEN);
ShowMessage('显示器水平区域:'+IntToStr(x));
ShowMessage('显示器垂直区域:'+IntToStr(y));
end;
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, CDS_UPDATEREGISTRY) = DISP_CHANGE_SUCCESSFUL;