SHLockShared function (shlwapi.h)

[SHLockShared is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions.]

Maps a block of memory from a specified process into the calling process.

void * SHLockShared(
  [in] HANDLE hData,
  [in] DWORD  dwProcessId
);

[in] hData

Type: HANDLE

A handle to the memory you want to map into the calling process.

[in] dwProcessId

Type: DWORD

The process ID of the process from which you want to map the block of memory.

Returns a void pointer to the shared memory. Returns NULL if unsuccessful.

Call SHUnlockShared to unlock the memory that this function maps. Call SHFreeShared to release the memory.