var dmScreenSettings: DEVMODE; // 设备模式 begin with dmScreenSettings do begin // 设置屏幕设置的参数 dmSize := SizeOf(dmScreenSettings); // Devmode 结构的大小 dmPelsWidth:=1024; dmPelsHeight:=768; //改变分辨率 dmBitsPerPel:=32; //改变色深 256色是8 16是真彩色16 32是真彩色32 dmDisplayFrequency:=85; //刷新频率 dmFields:=DM_BITSPERPEL //修改色深 Or DM_PELSWIDTH Or DM_PELSHEIGHT //修改分辨率 Or DM_DISPLAYFREQUENCY //修改刷新频率 ; end; ChangeDisplaySettings(dmScreenSettings,0); end;具体的可以看DEVMODE帮助
Procedure ChangeDisplay(width,height,Frequency:integer); var devmode:tDevicemode; begin if EnumDisplaySettings(nil,0,devmode) then begin devmode.dmfields:=dm_pelswidth OR dm_pelsheight OR dm_DisplayFrequency; if (devmode.dmDisplayFrequency<>frequency) or (screen.Width<>devmode.dmPelsWidth) then begin devmode.dmpelswidth:=width; {宽度} devmode.dmpelsheight:=height;{高度} devmode.dmDisplayFrequency:=frequency;{刷新率} ChangeDisplaySettings(devmode,0); {更改设置} end; end; end;
begin
with dmScreenSettings do
begin // 设置屏幕设置的参数
dmSize := SizeOf(dmScreenSettings); // Devmode 结构的大小
dmPelsWidth:=1024;
dmPelsHeight:=768; //改变分辨率
dmBitsPerPel:=32; //改变色深 256色是8 16是真彩色16 32是真彩色32
dmDisplayFrequency:=85; //刷新频率
dmFields:=DM_BITSPERPEL //修改色深
Or DM_PELSWIDTH Or DM_PELSHEIGHT //修改分辨率
Or DM_DISPLAYFREQUENCY //修改刷新频率
;
end;
ChangeDisplaySettings(dmScreenSettings,0);
end;具体的可以看DEVMODE帮助
var devmode:tDevicemode;
begin
if EnumDisplaySettings(nil,0,devmode) then
begin
devmode.dmfields:=dm_pelswidth OR dm_pelsheight OR dm_DisplayFrequency;
if (devmode.dmDisplayFrequency<>frequency) or (screen.Width<>devmode.dmPelsWidth) then
begin
devmode.dmpelswidth:=width; {宽度}
devmode.dmpelsheight:=height;{高度}
devmode.dmDisplayFrequency:=frequency;{刷新率}
ChangeDisplaySettings(devmode,0); {更改设置}
end;
end;
end;
详细的在你的那篇贴子里