Le 25 novembre 2010 00:31, Benoît Minisini <gam...@users.sourceforge.net> a écrit : >> I use IsNull extensively, is that going to be removed? >> >> richard >> > > No. I use it extensively too. > > Here is the result of my thought: > > - You can know the datatype of a variant with the TypeOf() function. You don't > have to use the current IsXXXX() functions. > > - But you often need to know if a string can be converted to a number, an > integer, a float, a date. > > - You normally want to know that for localized strings get from the outside > (i.e. the user). For non-localized strings, they are intern to your program, > so you should know what you are doing. > > So: > > IsNull(x) -> kept its behaviour. > IsInteger(x) -> If Val(x) returns an integer > IsFloat(x) -> If Val(x) returns a float > IsDate(x) -> If Val(x) returns a date
hum ... isBinary ? but how do you test if it's not ? i imagine it is taht : Function isFloat(Value as variant) as Float dim fValue as Float fValue = Val(Value) if not error then return fValue end but in the other side i need to test it :/ again if isFoat(Value) then print isFloat(Value) in fact there is not fabulous soluce as we need two thing, known if a convertion is possible with this datatype and then get the value. the only one soluce i see is the C way... with a byref value Function isFloat(Value as variant, Byref Ret as Float) as Boolean dim fValue as Float fValue = Val(Value) if not error then Ret = fValue Return True endif return end Dim fRet as Float If IsFloat(Value, ByRef fRet) then Print fRet > > They should be enough. But I could add: > > IsLong(x) -> If Val(x) returns a Long > IsSingle(x) -> If Single(x) returns a Single. > > Regards, > > -- > Benoît Minisini > > ------------------------------------------------------------------------------ > Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! > Tap into the largest installed PC base & get more eyes on your game by > optimizing for Intel(R) Graphics Technology. Get started today with the > Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. > http://p.sf.net/sfu/intelisp-dev2dev > _______________________________________________ > Gambas-user mailing list > Gambas-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/gambas-user > -- Fabien Bodard ------------------------------------------------------------------------------ Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! Tap into the largest installed PC base & get more eyes on your game by optimizing for Intel(R) Graphics Technology. Get started today with the Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. http://p.sf.net/sfu/intelisp-dev2dev _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user