//We use this to keep track of where the window is on the screen, so we can dock it later
private void win_LocationChanged(object sender, EventArgs e)
{
Window win = (Window)sender;
if (!win.IsLoaded)
return;
W32Point pt = new W32Point();
if (!Win32.GetCursorPos(ref pt))
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
Point absoluteScreenPos = new Point(pt.X, pt.Y);
var windowUnder = FindWindowUnderThisAt(win, absoluteScreenPos);
if (windowUnder != null && windowUnder.Equals(this))
{
Point relativePoint = this.PointFromScreen(absoluteScreenPos);//The screen position relative to the main window
FrameworkElement element = this.MyChromeTabControl.InputHitTest(relativePoint) as FrameworkElement;//Hit test against the tab control
if (element != null)
{
////test if the mouse is over the tab panel or a tab item.
if (CanInsertTabItem(element))
{
TabBase dockedWindowVM = (TabBase)win.DataContext;
ViewModelMainWindow mainWindowVm = (ViewModelMainWindow)this.DataContext;
mainWindowVm.ItemCollection.Add(dockedWindowVM);
win.Close();
mainWindowVm.SelectedTab = dockedWindowVM;
//We run this method on the tab control for it to grab the tab and position it at the mouse, ready to move again.
this.MyChromeTabControl.GrabTab(dockedWindowVM);
}
}
}
}
internal static extern IntPtr MonitorFromPoint(W32Point pt, uint dwFlags);
internal static extern IntPtr MonitorFromPoint(W32Point pt, uint dwFlags);
internal static extern bool GetCursorPos(ref W32Point pt);
internal static extern bool GetCursorPos(ref W32Point pt);