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How do I convert a Hex value stored in a charachter array to its ascii decimal value?
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Frankie
Mar 19, 2001, 2:16:51 PM3/19/01
to
Hi,
I need to allow a user input a hexadecimal value between 0 and FF. The user
inputs the value in an edit box. I can store this in a character array as a
string. However I need to validate that the value the user entered is
actually between 0 and FF. If I could convert the value e.g. AB to its ASCII
decimal value of 171 this would be relatively straight-forward. Is there a
standard function in C++ to do this similar to the atoi type functions?
Any help greatly appreciated,
Thanks.
I need to allow a user input a hexadecimal value between 0 and FF. The user
inputs the value in an edit box. I can store this in a character array as a
string. However I need to validate that the value the user entered is
actually between 0 and FF. If I could convert the value e.g. AB to its ASCII
decimal value of 171 this would be relatively straight-forward. Is there a
standard function in C++ to do this similar to the atoi type functions?
Any help greatly appreciated,
Thanks.
Check Abdoul
Mar 19, 2001, 2:50:49 PM3/19/01
to
Hi Frankie...
You can use UlFromSzHex() function from mapi.lib.
Include mapiutil.h & link your app with mapi.lib
An Example:-
ULONG nInt = UlFromSzHex ( "ABC26" );
Cheers
Check Abdoul
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