The Old New Thing

How does the MultiByteToWideChar function treat invalid characters?

May 4, 2012 May 4, 2012 05/4/12

Raymond Chen

The flag controls how the function treats invalid characters. Some people claim that the following sentences in the documentation are contradictory: "Starting with Windows Vista, the function does not drop illegal code points if the application does not set the flag." "Windows XP: If this flag is not set, the function silently ...