C# 中改变显示器的分辨率和刷新频率 void ChangeRes() { Form1 t = new Form1(); long RetVal=0; DEVMODE dm = new DEVMODE(); dm.dmSize= (short)Marshal.SizeOf(typeof(DEVMODE)); dm.dmPelsWidth = 1024; dm.dmPelsHeight= 768; dm.dmDisplayFrequency=85; dm.dmFields = DEVMODE.D