/// <devdoc>
/// Handles the WM_WINDOWPOSCHANGING message
/// </devdoc>
/// <internalonly>
private void WmWindowPosChanging(ref Message m)
{
NativeWindowCommon.WINDOWPOS wp = (NativeWindowCommon.WINDOWPOS)Marshal.PtrToStructure(m.LParam, typeof(NativeWindowCommon.WINDOWPOS));
bool updateSize = inAutoscale;
if (!updateSize)
{
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
if (host != null)
{
updateSize = host.Loading;
}
}
// we want to update the size if we have a menu and...
// 1) we're doing an autoscale
// 2) we're loading a form without an inherited menu (inherited forms will already have the right size)
//
if (updateSize && Menu != null && (wp.flags & NativeWindowCommon.SWP_NOSIZE) == 0 && (IsMenuInherited || inAutoscale))
{
heightDelta = GetMenuHeight();
}
}
/// <summary>
/// window reposition
/// </summary>
/// <param name="m"></param>
private void WindowReposition(Message m)
{
RepositionEventArgs repositionEventArgs = new RepositionEventArgs();
if (CanReposition != null)
{
NativeWindowCommon.WINDOWPOS wp = new NativeWindowCommon.WINDOWPOS();
wp = (NativeWindowCommon.WINDOWPOS)m.GetLParam(typeof(NativeWindowCommon.WINDOWPOS));
repositionEventArgs.HwndInsertAfter = wp.hwndInsertAfter;
CanReposition(this, repositionEventArgs);
if (!repositionEventArgs.CanReposition)
{
wp.flags |= NativeWindowCommon.SWP_NOZORDER;
Marshal.StructureToPtr(wp, m.LParam, true);
}
}
}
