function GetWinTrayWnd: Integer;        // 获取windows任务栏高度
var
TrayWnd: HWnd; //任务栏句柄
Rec : TRect;
begin
TrayWnd := FindWindow('Shell_TrayWnd',nil);//得到任务栏句柄
GetWindowRect(TrayWnd, Rec); //获取任务栏尺寸
result := Rec.Bottom - Rec.Top;
end;
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