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Is Upper Function
Character Types Class

Public Function IsUpper( _
    ByVal vCharCode As Integer _
    ) As Boolean

"Is Character Upper Case Alphabetic"
Return True if the character with ASCII value vCharCode is an upper-case alphabetic character ("A"..."Z", accented upper-case characters like C-circumflex, etc.).
Return False otherwise.

Examples: 
    IsUpper(Asc("C")) = True
    IsUpper(Asc("c")) = False
    IsUpper(Asc("2")) = False
See also: 
    IsLower Function
    IsAlpha Function
    IsNotUpperCase Functon
    CharTypeUpper Property
vCharCode: Character whose ASCII value is checked to determine if it belongs to the upper-case alphabetic class.
Note: Function will generate a runtime error if vCharCode is not between 0 (zero) and 255 inclusive.

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