Difference between Signed and UnSigned variables?

[Jon B]

Hi There!

What is the difference between Signed and UnSigned variables in .NET
Framework?? My background is just in VB6 and I have no idea what is the
difference between ULong and Long etc.

Please enlighten me!!

Thanks!!
Jon

[David Browne]

"Jon B" <no*****@sorry.sorry> wrote in message
news:%2******************@TK2MSFTNGP12.phx.gbl...

Hi There!

What is the difference between Signed and UnSigned variables in .NET
Framework?? My background is just in VB6 and I have no idea what is the
difference between ULong and Long etc.

Long is a synonym for System.Int64
http://msdn.microsoft.com/library/de...ClassTopic.asp

ULong is a synonym for System.UInt64
http://msdn.microsoft.com/library/de...ClassTopic.asp

Thes are both binary, or base-2, representations of numbers where each bit
represents binary digit. The difference is that for signed types the bit
which would otherwise store the most-significant digit is instead used to
store the sign, with 0 for positive and 1 for negative.

David

[Herfried K. Wagner [MVP]]

"Jon B" <no*****@sorry.sorry> schrieb:

What is the difference between Signed and UnSigned variables in .NET
Framework?? My background is just in VB6 and I have no idea what is the
difference between ULong and Long etc.

<URL:http://en.wikipedia.org/wiki/Integer_%28computer_science%29>

--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://classicvb.org/petition/>

[Brian Henry]

signed numbers have one bit that represents pos or neg values..

"Jon B" <no*****@sorry.sorry> wrote in message
news:%2******************@TK2MSFTNGP12.phx.gbl...

Hi There!

What is the difference between Signed and UnSigned variables in .NET
Framework?? My background is just in VB6 and I have no idea what is the
difference between ULong and Long etc.

Please enlighten me!!

Thanks!!
Jon