Char.IsUpper Method (String, Int32)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Indicates whether the character at the specified position in a specified string is categorized as an uppercase letter.
Assembly: mscorlib (in mscorlib.dll)
Character positions in a string are indexed starting from zero.
Valid uppercase letters are members of the following category in UnicodeCategory: UppercaseLetter.