| ''''以及绘制控件所在的 ClipRectangle。 Dim pe As PaintEventArgs = New PaintEventArgs(CreateGraphics(), ClientRectangle) OnPaint(pe) End Sub ''''鼠标进入 Private Sub my_OnMouseEnter(ByVal sender As Object, ByVal e As EventArgs) my_mouseHover = True ''''鼠标移动到其上 '''' Dim pe As PaintEventArgs = New PaintEventArgs(CreateGraphics(), ClientRectangle) OnPaint(pe) End Sub ''''鼠标移动开 Private Sub my_OnMouseLeave(ByVal sender As Object, ByVal e As EventArgs) my_mouseHover = False ''''鼠标移动开 '''' Dim pe As PaintEventArgs = New PaintEventArgs(CreateGraphics(), ClientRectangle)
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