Getting STRUCTURE info from a pointer

i am subclassing, and the lParam ends up returning a pointer to a structure of type MDICREATESTRUCTURE..
i want to know how i can access data in this structure when all i have is a pointer???
any ideas?
thanks
jeffrey

use the CopyMemory API

Code:

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Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)

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and put this in your substitute window procedure

Code:

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Dim uMDIStruct As MDICREATESTRUCTURE

CopyMemory uMDIStruct, ByVal lParam, LenB(uMDIStruct)

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then make all your changes to uMDIStruct and copy them back to lParam with

Code:

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CopyMemory ByVal lParam, uMDIStruct, LenB(uMDIStruct)

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Hope this helps