I need help passing a 2d array (matrix) from VB6 to a c++ DLL.Right now, I have it working with a 1d array... here is the code I am using.long __declspec ...

If you need to operate on strings, it's helpful to abstract this away into separate functions (which can be held in different files) to keep your code clean and to reduce repetition. In C, parameters ...

The C function expects a pointer - a number which refers to a location in the memory space (the HEAP array). You should write the imageData into memory, by getting a buffer from _malloc, then filling ...