设置光标样式

IntPtr cursor = Form1.LoadCursorFromFile("E:\\C#\\mouse\\图标 \\point.ani");
if (cursor != IntPtr.Zero)
{
Cursor cur = new Cursor(cursor);

pictureBox1.Cursor = cur;
contextMenuStrip1.Cursor = cur;
}

或者系统默认其它样式

Cursor = Cursors.Cross;