自定义鼠标指针

/// <summary>
/// 改变鼠标指针
/// </summary>
/// <param name="cursor"></param>
/// <param name="hotPoint"></param>
public void SetCursor(Bitmap cursor, Point hotPoint)
{int hotX = hotPoint.X;int hotY = hotPoint.Y;Bitmap myNewCursor = new Bitmap(cursor.Width * 2 - hotX, cursor.Height * 2 - hotY);Graphics g = Graphics.FromImage(myNewCursor);g.Clear(Color.FromArgb(0, 0, 0, 0));g.DrawImage(cursor, cursor.Width - hotX, cursor.Height - hotY - 21, cursor.Width, cursor.Height);this.Cursor = new Cursor(myNewCursor.GetHicon());g.Dispose();myNewCursor.Dispose();
}private void pic_MouseDown(object sender, MouseEventArgs e)
{if (e.Button == MouseButtons.Left){Bitmap bm = (Bitmap)Bitmap.FromFile("钢笔2_03.png");SetCursor(bm, new Point(0, 0));}
}private void pic_MouseUp(object sender, MouseEventArgs e)
{Cursor = Cursors.Default;
}