/// <summary>
/// get the designer of the tab page corresponding to the supplied point.
/// </summary>
/// <param name="pt">point in the label area of the tab control</param>
/// <returns></returns>
private MgTabPage GetTabPageFromLocation(Point pt)
{
MgTabPage selectedTab = null;
TabControl tab = (TabControl)Control;
// loop over tab page labels rectangles, check if they contain our point
for (int i = 0; i < tab.TabCount; i++)
{
Rectangle rect = tab.GetTabRect(i);
// add the edges around the rectangles
if (tab.Alignment == TabAlignment.Top || tab.Alignment == TabAlignment.Bottom)
{
rect.Y -= 2;
rect.Height += 4;
}
else
{
rect.X -= 2;
rect.Width += 4;
}
if (rect.Contains(pt))
{
selectedTab = tab.TabPages[i] as MgTabPage;
break;
}
}
return(selectedTab);
}
/// <summary>
/// Get the TabPage over which a control is dragged, considering also the tab headers
/// </summary>
/// <param name="de"></param>
/// <returns></returns>
private TabPage GetDraggedOverTabPage(DragEventArgs de)
{
MgTabPage selectedTabPage = null;
MgTabControl control = (MgTabControl)this.Control;
// If the current point is not on the tab page
Point pt = this.Control.PointToClient(new Point(de.X, de.Y));
if (!control.DisplayRectangle.Contains(pt))
{
if (control.ClientRectangle.Contains(pt))
{
// current point is in the labels area
selectedTabPage = this.GetTabPageFromLocation(pt);
}
}
else
{
selectedTabPage = (MgTabPage)control.SelectedTab;
}
return(selectedTabPage);
}
