Problem with ReadProcessMemory

this is a snippet of my code...

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For MemRegion = baseAddr To endAddr Step 4096
RetVal = ReadProcessMemory(hProcess, MemRegion, ReadBuffer, 4096, 0&)

If RetVal Then
FoundLocation = InStr(ReadBuffer, SearchString)
If FoundLocation Then Exit For
End If

Next MemRegion

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readbuffer is dimed as ..... "Dim ReadBuffer As String * 4096" .... everything else is fine....

what im trying to do is read 4kb (default pagefile size) chunks of memory.... and im looping through a start and end address. those i get with virtualqueryex, and that works fine, but when i use the loop above, vb crashes... something with the readprocessmemory isnt correct...... whats wrong? .. you SHOULD be able to read 4kb chunks, right?

ugh, found out it was because readprocessmemory was declared wrong... everywhere i go, its declared differently. i corrected it, now its fine :)