Reads memory in a specified process
#include <WinAPIMem.au3>
_WinAPI_ReadProcessMemory ( $hProcess, $pBaseAddress, $pBuffer, $iSize, ByRef $iRead )
| $hProcess | Identifies an open handle of a process whose memory is read | 
| $pBaseAddress | Points to the base address in the specified process to be read | 
| $pBuffer | Points to a buffer that receives the contents from the address space | 
| $iSize | Specifies the requested number of bytes to read from the specified process | 
| $iRead | The actual number of bytes transferred into the specified buffer | 
| Success: | True | 
| Failure: | False, call _WinAPI_GetLastError() to get extended error information | 
Search ReadProcessMemory in MSDN Library.