实现窗口移动

#region 实现窗口移动
private bool m_isMouseDown = false;
private Point m_mousePos = new Point();
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
m_mousePos = Cursor.Position;
m_isMouseDown = true;
}

protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
m_isMouseDown = false;
}

protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (m_isMouseDown)
{
Point tempPos = Cursor.Position;
this.Location = new Point(Location.X + (tempPos.X - m_mousePos.X), Location.Y + (tempPos.Y - m_mousePos.Y));
m_mousePos = Cursor.Position;
}
}
#endregion