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Index > Windows > Determine size of file mapping object

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chorus



Joined: 16 Mar 2004
Posts: 23
chorus
Hello, just a quick question: does anyone know how to determine the size of a file mapping object if only given the handle (returned by CreateFileMapping)? I want to know for when allocating a DIB section through a file mapping object (using CreateDIBSection). Thanks
--Chorus
Post 09 May 2004, 17:34
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comrade



Joined: 16 Jun 2003
Posts: 1137
Location: Russian Federation
comrade
http://www.wasm.ru/forum/index.php?action=vthread&topic=5762&forum=4&page=-1

Quote:
Under NT+ maybe try ZwQuerySection(Handle, SectionBasicInformation,...)

returns

typedef struct _SECTION_BASIC_INFORMATION {
PVOID BaseAddress;
ULONG Attributes;
LARGE_INTEGER Size;
} SECTION_BASIC_INFORMATION,*PSECTION_BASIC_INFORMATION;

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comrade (comrade64@live.com; http://comrade.ownz.com/)
Post 11 May 2004, 21:57
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