/// <summary>
/// 引发 System.Windows.Forms.Form.MouseDown。
/// </summary>
/// <param name="e">包含事件数据的 System.Windows.Forms.MouseEventArgs。</param>
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
var point = e.Location;
if (e.Button == MouseButtons.Right)
{
if (this.TitleBarRect.Contains(point) && !SysBtnRect.Contains(point))
{
var menu = NativeMethods.GetSystemMenu(this.Handle, false);
RECT rect = new RECT();
var result = NativeMethods.TrackPopupMenu(menu, (int)WindowsMessage.WM_KEYDOWN, MousePosition.X, MousePosition.Y, 0, this.Handle, ref rect);
MenuClick((MenuType)result);
}
return;
}
if (CloseContains(point))
{
CloseState = TMouseState.Down;
}
else if (MiniRect.Contains(point))
{
MinState = TMouseState.Down;
}
else if (MaxRect.Contains(point))
{
MaxState = TMouseState.Down;
}
if ((_sysButton == TSysButton.Normal || _sysButton == TSysButton.Close_Max) && e.Clicks == 2)
{
WindowMax();
}
}
/// <summary>
/// 按下
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDown(MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (e.Clicks == 2)
{
Close();
}
else if (isExceed && rect.Contains(e.Location) && !SysBtnRect.Contains(e.Location))
{
isMove = true;
pStart = e.Location;
}
}
if (!isMove)
{
base.OnMouseDown(e);
}
}
/// <summary>
/// 坐标点是否包含在项中
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public override bool Contain(Point p)
{
return(SysBtnRect.Contains(p));
}