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xiaohuilau 2003-04-27
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那如果我的程序(窗口)里有10个控钮,当这10个按钮得到焦点时CAPTION为"ON",当失去焦点(包括焦点到了另一个程序或别的控件),此按钮的CAPTION为"OFF",应如何编写此程序?
jacky_shen 2003-04-26
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TApplicationEvents
使用这个控件.
在Additionial面板上.
他有OnActivate和OnDeactivate两个事件，可以供你使用。
使用这个控件.
在Additionial面板上.
他有OnActivate和OnDeactivate两个事件，可以供你使用。
yansea 2003-04-19
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帮助上的
property Active: Boolean;
Description
Use Active to determine whether the form has focus. The Active Form receives all keyboard input. If it has a title bar, it is drawn using the active colors specified in the Control panel.
If Active is True , the form has focus; if Active is False, the form does not have focus.
property Active: Boolean;
Description
Use Active to determine whether the form has focus. The Active Form receives all keyboard input. If it has a title bar, it is drawn using the active colors specified in the Control panel.
If Active is True , the form has focus; if Active is False, the form does not have focus.
