请问WriteProcessMemory的详细用法

请教WriteProcessMemory的详细用法
Declare Function WriteProcessMemory Lib "kernel32" (ByVal hProcess As Long, ByVal lpBaseAddress As Any, ByVal lpBuffer As Any, ByVal nSize As Long, lpNumberOfBytesWritten As Long) As Long   
说明:   hProcess , 进程的句柄   
lpBaseAddress, 写入进程的位置(地址)   
lpBuffer, 数据当前存放地址   
nSize, 数据的长度   
lpNumberOfBytesWritten,实际数据的长度   
nSize以字节为单位,一个字节Byte等于8位

LPBUFFER该如何设置呢?

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LPBUFFER该如何设置呢?