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问题描述
亲爱的朋友,
我在C#中有一个包含两个面板的项目.第一面板不可调整大小或移动.第二个是相当大且可移动的.我希望第二个面板仅在第一个面板内部移动,并且当其边界与另一个面板相等时停止移动.
现在,当我移动第二个面板时,在通过第一个面板的边界并检查其坐标后,例如左= -20或顶部= -30,它恰好消失在第一个面板后面的某个地方.
请帮忙.谢谢.
Dear friends,
I have a project in C# with two panels. The first panel is not resizeble or movable. The second one is sizeable and movable. I want the second panel to move only inside the first panel, and when it''s borders are equal to the other panel, to stop moving.
When I move the second panel now, after passing the border of the first one and checking its coordinates, they are for example left = -20 or top = -30, it happens to dissapear somewhere behind the first panel.
Please help. Thank you.
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