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  3. August 2006

Re: dynamically calling procedure of bound module


On 01/08/2006, at 10:03 PM, Knezevic, Mihael wrote:


i have several modules bound into one program. now i want to to call a
procedure. problem is that the name of the procedure is inside a
variable. how can i now call the procedure where the module is bound
into the same program object?

i fiddled with the api Get Export but i can't get it working. is this
even the right method of doing it?

all articles covering this topic try to call a procedure from a service
program. that is not what i want to do.
I'm not sure I understand exactly what you are trying to do. I can interpret your statements in two ways: 1) You want to call a procedure within the current program but you don't know the name until run-time 
        2) You want to call a procedure with a program from another program
GetExport won't work for programs because programs cannot export procedures. 

For 1) you should use procedure pointers rather than the procedure name.
For 2) the system does not directly support calling procedures in a program object from outside that program object. That's what service programs are for. I think you can make this work but you'll need to provide a method of calling the the program to retrieve a procedure pointer. The invoke the procedure via the pointer.
Hmm, I might play with this tomorrow and see if I can get something working ... 

Regards,
Simon Coulter.
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