using System.Runtime.InteropServices;
[DllImport("user32.dll", EntryPoint="ShowCursor",CharSet=CharSet.Auto)]
public extern static void ShowCursor(int status);
調用ShowCursor(0)或ShowCursor(1)來設置. 只是調用個api.
來自:http://hi.baidu.com/qiangfans/item/64c1212ed95c35f950fd87bc