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csdn
12 年
GDI ( C#) 绘图控件图形保持问题? 各路高手指点一下~~~~
GDI ( C#) 绘图控件图形保持问题? 我在一个控件上,比如: 在控件plPanelDrawingArea上绘了一些rectangle和text,但在用户在点击控件plPanelDrawingArea以外的其他区域时候,这个控件plPanelDrawingArea上画的东西都没了。 如果,我鼠标点一下控件plPanelDrawingArea的东西,都出来了。
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