Remove invalid characters from a file name in Windows (C++/MFC)

In Windows, a file or folder name cannot contain the following characters \/:*?\”<>| . Sometimes before saving a file, you may want to remove these invalid characters from the file name. Here is the function written in C++/MFC.

void RemoveInvalidFileNameCharacters(CString & strFileName)
	LPCTSTR pInvalidCharSet = _T("\\/:*?\"<>|");
	int iLen = (int)_tcslen(pInvalidCharSet);
	for(int i=0;i<iLen;i++)
		//remove each invalid character

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