The ToUpper—Wide Character method

This method converts the wide character c to uppercase. If the wide character has no uppercase equivalent, it is copied unchanged. 

ITWChar ToUpper(ITWChar c) const

This method returns the uppercase character equivalent, if there is one, or the input character if there is no uppercase equivalent. If there is an error, this method returns 0. Call ITLocale::GetError() to retrieve a specific error message.

Parent topic: Character case conversion methods
Related reference:
Error return method
Related information:
The ifx_gl_towupper() function
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