No idea's for me? :-( Thank you.
> I was looking for a little clarification on using callbacks, memoryblocks
> and declares. I thought I understood these concepts better - ugh!. :-)
>
> This is all placed in a module, assume this structure.
>
> typedef struct SampleStruct{
> version As Integer
> evaluate As Integer
> }
>
> The evaluate declaration in this structure is a callback used to evaluate a
> function. I assume this needs to be declared as an integer since we cannot
> declare it in a structure as a MemoryBlock.
>
> I want to assign to this evaluate property. I have this in a routine,
>
> Dim aSampleStruct As SampleStruct
> aSampleStruct.version = 2.0
> aSampleStruct.evaluate = AddressOf SampleCallbackRoutine
>
> Since AddressOf returns a Memoryblock, this last line will not compile. How
> can I get around this?
>
> I have tried this, but is this correct?
>
> Dim aSampleStruct As SampleStruct
> aSampleStruct.version = 2.0
> Dim temp As New MemoryBlock(4)
> temp = AddressOf SampleCallbackRoutine
> aSampleStruct.evaluate = temp.Long(0)
>
> And what role does the MemoryBlock Ptr property play in this?
>
> Oh and once this structure is filled, I will be passing it to a declare that
> has this prototype declared as,
>
> const CGFunctionCallbacks *callbacks
>
> Thank you for any clarifications! It would be nice to be able to inspect
> these items of the memoryblock class in the debugger.
>
> --
> Thomas C.
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