sender.Size = New Size(sender.Width + e.X - p1.X, sender.Height + e.Y - p1.Y)
　　p1 = New Point(e.X, e.Y)

　　Case EnumMousePointPosition.MouseSizeRight

　　sender.Size = New Size(sender.Width + e.X - p1.X, sender.Height)

　　p1 = New Point(e.X, e.Y)

　　Case EnumMousePointPosition.MouseSizeTop

　　sender.Location = New Point(sender.Left, sender.Top + (e.Y - p.Y))

　　sender.Size = New Size(sender.Width, sender.Height - (e.Y - p.Y))

　　Case EnumMousePointPosition.MouseSizeLeft

　　sender.Location = New Point(sender.Left + e.X - p.X, sender.Top)

　　sender.Size = New Size(sender.Width - (e.X - p.X), sender.Height)

　　Case EnumMousePointPosition.MouseSizeBottomLeft

　　sender.Location = New Point(sender.Left + e.X - p.X, sender.Top)

　　sender.Size = New Size(sender.Width - (e.X - p.X), sender.Height + e.Y - p1.Y)
　　p1 = New Point(e.X, e.Y)

　　Case EnumMousePointPosition.MouseSizeTopRight

　　sender.Location = New Point(sender.Left, sender.Top + (e.Y - p.Y))

　　sender.Size = New Size(sender.Width + (e.X - p1.X), sender.Height - (e.Y - p.Y))
　　p1 = New Point(e.X, e.Y)

　　Case EnumMousePointPosition.MouseSizeTopLeft

　　sender.Location = New Point(sender.Left + e.X - p.X, sender.Top + (e.Y - p.Y))

　　sender.Size = New Size(sender.Width - (e.X - p.X), sender.Height - (e.Y - p.Y))

　　End Select

　　Else

　　m_MousePointPosition = MousePointPosition(sender.Size, e)  '判断光标的位置状态

　　Select Case m_MousePointPosition '改变光标

　　Case EnumMousePointPosition.MouseSizeNone

　　Me.Cursor = Cursors.Arrow '箭头

　　Case EnumMousePointPosition.MouseDrag

　　Me.Cursor = Cursors.SizeAll  '四方向

　　Case EnumMousePointPosition.MouseSizeBottom

　　Me.Cursor = Cursors.SizeNS   '南北

　　Case EnumMousePointPosition.MouseSizeTop

　　Me.Cursor = Cursors.SizeNS   '南北

　　Case EnumMousePointPosition.MouseSizeLeft

　　Me.Cursor = Cursors.SizeWE   '东西

　　Case EnumMousePointPosition.MouseSizeRight