MapViewOfFile2 function
Maps a view of a file or a pagefile-backed section into the address space of the specified process.
Syntax
PVOID MapViewOfFile2( _In_ HANDLE FileMappingHandle, _In_ HANDLE ProcessHandle, _In_ ULONG64 Offset, _In_opt_ PVOID BaseAddress, _In_ SIZE_T ViewSize, _In_ ULONG AllocationType, _In_ ULONG PageProtection );
Parameters
- FileMappingHandle [in]
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A HANDLE to a section that is to be mapped into the address space of the specified process.
- ProcessHandle [in]
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A HANDLE to a process into which the section will be mapped.
- Offset [in]
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The offset from the beginning of the section. This must be 64k aligned.
- BaseAddress [in, optional]
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The desired base address of the view. The address is rounded down to the nearest 64k boundary. If this parameter is NULL, the system picks the base address.
- ViewSize [in]
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The number of bytes to map. A value of zero (0) specifies that the entire section is to be mapped.
- AllocationType [in]
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The type of allocation. This parameter can be zero (0) or one of the following constant values:
- MEM_RESERVE - Maps a reserved view
- MEM_LARGE_PAGES - Maps a large page view
- PageProtection [in]
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The desired page protection.
Return value
Returns the base address of the mapped view, if successful. Otherwise, returns NULL and extended error status is available using GetLastError.
Requirements
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Minimum supported client |
Windows 10, version 1703 [desktop apps only] |
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Minimum supported server |
Windows Server 2016 [desktop apps only] |
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Header |
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Library |
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DLL |
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See also