WebDec 11, 2001 · GetBuffer () From MSDN: Returns a pointer to the internal character buffer for the CString object. The returned LPTSTR is not const and thus allows direct … WebJan 21, 2013 · A little confusion is there about calling of CString::ReleaseBuffer(). As per GetBuffer() msdn page: Remark section. If you use the pointer returned by GetBuffer to change the string contents, you must call ReleaseBuffer before using any other CString member functions.. As per ReleaseBuffer() msdn page: Remark section
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WebNov 16, 2016 · Add a comment. 2. In above example it is preferable to use the SetAt method. In some cases you need GetBuffer to directly access the buffer, mainly when used with WinAPI functions. For example, to use ::GetWindowText with WinAPI code you need to allocate a buffer as follows: int len = ::GetWindowTextLength (m_hWnd) + 1; char *buf = … WebJun 13, 2013 · 1 Answer Sorted by: 6 The 10 is the minimum buffer length, so if you call GetBuffer () on a CString of, say, 4 characters it will allocate an LPTSTR 10 chars long, in case you want to strcpy a longer string into that buffer (as they do in the example). rock paper scissors mini game
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http://kydsoft.com/vcmfc/ja/VCMFC_web/html/_mfc_cstring_class_members.htm WebDec 27, 2024 · 如果你需要修改 CString 中的内容，可以用 GetBuffer，它的作用是返回一个可写的缓冲指针。. 如果仅仅是读出CString中的内容，那么只需要用GetBuffer (0)即可。. 如果后面对CString还有其他操作，需要立即ReleaseBuffer。. GetBuffer (int size)是用来返回一个你所指定大小可写 ... WebJun 12, 2013 · 1 Answer. The 10 is the minimum buffer length, so if you call GetBuffer () on a CString of, say, 4 characters it will allocate an LPTSTR 10 chars long, in case you … oth style