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问题描述
使用WinXP和Visual Studio 2008 ...
当我更改RichTextBox中的HideSelection或WordWrap属性时，撤消缓冲区被清除(CanUndo变为False).我不确定这是正常现象还是我自己系统中的错误，因为当我打开或关闭WordWrap时，MS Notepad和Fookes NoteTab也会表现出这种现象.
要么我一直都没有注意，要么XP已经开发了一个bug.
Using WinXP and Visual Studio 2008...
When I change the HideSelection or WordWrap properties in a RichTextBox, the Undo buffer is cleared (CanUndo becomes False). I was unsure if this was normal behavior or a bug in my own system, since MS Notepad and Fookes NoteTab also exhibit this behavior when I toggle WordWrap on or off.
Either I''ve not been paying attention all this time, or XP has developed a bug.
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