DelphiBasics upcase Function Convert a Char value to upper case System unit

function upcase(Letter Char):Char;

Description The UpCase function converts a single Letter character to upper case.   It only works on the standard 'a'..'z' letters.   It returns Letter unchanged if already upper case or non alphabetic. Notes Warning : this command is restricted to single characters, and does not handle International characters. Better to use AnsiupperCase instead. Related commands AnsiLowerCase Change upper case characters in a string to lower case AnsiUpperCase Change lower case characters in a string to upper case  Download this web site as a Windows program.

Example code : Convert g to G var   lower, upper : char; begin   // Convert a lower case letter to upper case   lower := 'g';   upper := UpCase(lower);   // Display these letters   ShowMessage('lower = '+lower+' upper = '+upper); end; Show full unit code   lower = g upper = G

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