s RECT
         GetWindowRect m_oContainer.hWnd, tR
         ClipCursorRect tR
         
         If Not (m_bFullDrag) Then
            If (m_eOrientation = cSPLTOrientationVertical) Then
               m_tSplitR.Left = tR.Left + m_lSplitPos
               m_tSplitR.Right = m_tSplitR.Left + m_lSplitSize
               m_tSplitR.Top = tR.Top
               m_tSplitR.Bottom = tR.Bottom
            Else
               m_tSplitR.Left = tR.Left
               m_tSplitR.Right = tR.Right
               m_tSplitR.T