Re: convert char to hex

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#7283

From: Vladimir Stefanovic
Date: Sat, 26 Feb 2005 22:44

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> I need a function that converts a char to hex.

Look for VCL function: IntToHex(), because
'char' is in fact an 'int'.

> For example
> char ch = convert('A'); //returns 0x41
> ch = convert('B'); //returns 0x42

This is not good. You need 'char*' or 'AnsiString' to
place the result. You cannot place '0x41' in 'char'.


> Does anyone has an example of such function?

You can try something like this /untested/:

#include <SysUtils.hpp>

AnsiString CharToHexNotation( char AChar )
{
   return ( "0x" + IntToHex( AChar, 2 ) );
}

void __fastcall TForm1::Button1Click(TObject *Sender)
{
   ShowMessage( CharToHexNotation( 'A' ) );
   ShowMessage( CharToHexNotation( 'B' ) );
}



-- 
Best regards,
Vladimir Stefanovic

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