Determine size of file mapping object

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chorus

Joined: 16 Mar 2004
Posts: 23

chorus 09 May 2004, 17:34

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

09 May 2004, 17:34

comrade

Joined: 16 Jun 2003
Posts: 1150
Location: Russian Federation

comrade 11 May 2004, 21:57

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;

_________________
comrade (comrade64@live.com; http://comrade.ownz.com/)

11 May 2004, 21:57

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