protected virtual TabPage OverTab()
{
TabPage over = null;
Point pt = this.PointToClient(Cursor.Position);
User32.TCHITTESTINFO mouseInfo = new User32.TCHITTESTINFO(pt, User32.TabControlHitTest.TCHT_ONITEM);
int currentTabIndex = User32.SendMessage(this.Handle, User32._TCM_HITTEST, IntPtr.Zero, ref mouseInfo);
if (currentTabIndex > -1)
{
Rectangle currentTabRct = this.GetTabRect(currentTabIndex);
if (currentTabIndex == 0)
{
currentTabRct.X += _tabHOffset;
}
if (currentTabRct.Contains(pt))
{
over = this.TabPages[currentTabIndex] as TabPage;
}
}
return(over);
}
protected override bool GetHitTest(Point point)
{
ISelectionService _selectionService = (ISelectionService)GetService(typeof(ISelectionService));
if (_selectionService != null)
{
object selectedObject = _selectionService.PrimarySelection;
if (selectedObject != null && selectedObject.Equals(Control))
{
Point p = Control.PointToClient(point);
User32.TCHITTESTINFO hti = new User32.TCHITTESTINFO(p, User32.TabControlHitTest.TCHT_ONITEM);
Message m = new Message();
m.HWnd = Control.Handle;
m.Msg = User32._TCM_HITTEST;
IntPtr lParam = Marshal.AllocHGlobal(Marshal.SizeOf(hti));
Marshal.StructureToPtr(hti, lParam, false);
m.LParam = lParam;
base.WndProc(ref m);
Marshal.FreeHGlobal(lParam);
if (m.Result.ToInt32() != -1)
{
return(hti.flags != User32.TabControlHitTest.TCHT_NOWHERE);
}
}
}
return(false);
}
