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asked on Pointer to raw pixel data

Hi experts,
I am creating an application that captures an image from the scanner and the manufacturer supplies and SDK DLL. I am trying to use one of the functions using P Volker. In the SDK manual it shows one of the parameters for a function I am trying to use as
"pointer to the raw pixel data"

 The type is unassigned (char* pixel data).

This is my first experience in using an unmanaged DLL and I'm not sure what I should be passing the function. I have tried to pass a pointer of type IntPtr but that does not work.
Can somebody point me in the right direction to understand how to work with the information in memory.
Thank you,
Avatar of Jacques Bourgeois (James Burger)
Jacques Bourgeois (James Burger)
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