SHAllocShared function (shlwapi.h)
[SHAllocShared is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions.]
Allocates a handle in a specified process to a copy of a specified memory block in the calling process.
Syntax
HANDLE SHAllocShared(
[in, optional] const void *pvData,
[in] DWORD dwSize,
[in] DWORD dwProcessId
);
Parameters
[in, optional] pvData
Type: const void*
A pointer to the memory block in the calling process that is to be copied. You can set this parameter to NULL if you want to share a block of memory without copying any data to it.
[in] dwSize
Type: DWORD
The size, in bytes, of the memory block pointed to by pvData.
[in] dwProcessId
Type: DWORD
The process ID of the process that will share memory block specified by pvData.
Return value
Type: HANDLE
Returns a handle to the shared memory for the process specified by dwDestinationProcessId. Returns NULL if unsuccessful.
Remarks
Use SHFreeShared to free the handle when you are finished.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows XP [desktop apps only] |
Minimum supported server | Windows Server 2003 [desktop apps only] |
Target Platform | Windows |
Header | shlwapi.h |
DLL | Shlwapi.dll |
See also
Σχόλια
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