with TJPEGImage(Image1.Picture.Graphic) do
Scale:=TJPEGScale(trackbar1.Position-1); ///0,1,2,3 4個比例縮放
Image1.Top := 0;
Image1.Left := 0;
with TJPEGImage(Image1.Picture.Graphic) do
Scale:=TJPEGScale(trackbar1.Position-1); ///0,1,2,3 4個比例縮放
Image1.Top := 0;
Image1.Left := 0;
GetSystemMetrics(SM_CXSCREEN); //水平分辨率 GetSystemMetrics(SM_CYSCREEN); //垂直分辨率