invalid conversion

[paul]

I am trying to get away from VB and write some windows programs in C++. I am using DEV-CPP, and sometimes when I try to compile code that was written in another IDE, I get this error:

invalid conversion from 'void*' to .....

I tried a google search but all that was in the first three pages was people who had the same problem. I was wondering if anyone knew how to fix it. Thanks.

[joe_bruin]

do you have any examples for us to look at?

[redhead]

it could be many things, usualy it's because you use a return value from a function in a way, that it wasn't intended to.

In IDE1 the function may be type int, and you use it like:
if(function(arg) > 1)
/* do stuff/*;
Then in IDE2 the function is of type void*, and it will complain that the type void* can't be directly compared to a value of type int, you can either do:
if((int)function(arg) > 1)
/* do stuff*/;
Or you can assign the return value to a variable, and then check teh value of the return in a cast like the function call was.

[paul]

thanks redhead, the program now compiles and runs sucessfully.

before, the code was:

WndClass.hbrBackground = GetStockObject(WHITE_BRUSH);

//and I made it

WndClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);