private void WM_NCHITTEST(ref Message m)
{
int wparam = m.LParam.ToInt32();
Point point = new Point(Win32.LOWORD(wparam), Win32.HIWORD(wparam));
point = PointToClient(point);
if (_IsResize)
{
if (point.X <= 8)
{
if (point.Y <= 8)
{
m.Result = (IntPtr)Win32.HTTOPLEFT;
}
else if (point.Y > Height - 8)
{
m.Result = (IntPtr)Win32.HTBOTTOMLEFT;
}
else
{
m.Result = (IntPtr)Win32.HTLEFT;
}
}
else if (point.X >= Width - 8)
{
if (point.Y <= 8)
{
m.Result = (IntPtr)Win32.HTTOPRIGHT;
}
else if (point.Y >= Height - 8)
{
m.Result = (IntPtr)Win32.HTBOTTOMRIGHT;
}
else
{
m.Result = (IntPtr)Win32.HTRIGHT;
}
}
else if (point.Y <= 8)
{
m.Result = (IntPtr)Win32.HTTOP;
}
else if (point.Y >= Height - 8)
{
m.Result = (IntPtr)Win32.HTBOTTOM;
}
else
{
m.Result = (IntPtr)Win32.HTCAPTION;
}
}
else
{
m.Result = (IntPtr)Win32.HTCAPTION;
}
}
// 处理拖动窗体时，是否允许最大化或者最小化的判断
private void WM_NCHITTEST(ref Message m)
{
int wparam = m.LParam.ToInt32();
Point point = new Point(Win32.LOWORD(wparam), Win32.HIWORD(wparam));
point = PointToClient(point);
/*
* 此段代码的用处是：对于MaximizeBox为True的窗口，可以通过拉动窗体边缘缩放窗体
* 此处将此段代码屏蔽，让所有的窗体都不能随意缩放
*/
//if (this.MaximizeBox)
//{
// if (point.X <= 8)
// {
// if (point.Y <= 8)
// m.Result = (IntPtr)Win32.HTTOPLEFT;
// else if (point.Y > Height - 8)
// m.Result = (IntPtr)Win32.HTBOTTOMLEFT;
// else
// m.Result = (IntPtr)Win32.HTLEFT;
// }
// else if (point.X >= Width - 8)
// {
// if (point.Y <= 8)
// m.Result = (IntPtr)Win32.HTTOPRIGHT;
// else if (point.Y >= Height - 8)
// m.Result = (IntPtr)Win32.HTBOTTOMRIGHT;
// else
// m.Result = (IntPtr)Win32.HTRIGHT;
// }
// else if (point.Y <= 8)
// {
// m.Result = (IntPtr)Win32.HTTOP;
// }
// else if (point.Y >= Height - 8)
// m.Result = (IntPtr)Win32.HTBOTTOM;
// else
// m.Result = (IntPtr)Win32.HTCAPTION;
//}
//else
//{ m.Result = (IntPtr)Win32.HTCAPTION; }
m.Result = (IntPtr)Win32.HTCAPTION;
}