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Change Format to hex

Posted on 2013-05-11
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Last Modified: 2013-05-12
Hello experts,

My question that I've been stuck on for a while is how can i add "0x" in front of a number without changing the actual number itself.

In VC++ using namespace System It can be done like so..
int Number = 123456;
txtNumber->Text = Number.ToString("X8")

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txtNumber->Text will show "0x123456".

But i want to do that exact thing without using the namspace System, and System::String.

and one more thing instead of having the number displayed into "txtNumber->Text" I'd rather have it be put back into "int Number". So each time i use "Number" it'll equal "0x123456".

Thanks for your help.
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Question by:Spad3z
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Expert Comment

by:Dave Baldwin
ID: 39158762
The number 123456 is Not the same as 0x123456.  Try it in your calculator.  0x123456 = 1193046 decimal.
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Author Comment

by:Spad3z
ID: 39158784
@DaveBaldwin - Yes I'm aware of that, I merely just want to add "0x" infront of any number. or if this makes things easier. Make 1193046 into 0x123456 within "int Number".
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LVL 83

Accepted Solution

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Dave Baldwin earned 500 total points
ID: 39158881
That isn't going to do what you think.  The '0x' is just a display method, not a change in the number.  Normally you would just use 'printf' with the 'x' specifier to get the number to display in hex instead of decimal.  http://msdn.microsoft.com/en-us/library/wc7014hz%28v=vs.71%29.aspx
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Author Comment

by:Spad3z
ID: 39160063
No solution found, as DaveBaldwin said does not work like that. I've found a way around my issue. Thank you for your time.
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LVL 83

Expert Comment

by:Dave Baldwin
ID: 39160270
You're welcome, thanks for the points.
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