IXC_PageBlockData Structure

Revision as of 05:10, 23 May 2015

Specifies the attributes of a locked block of a page.

Syntax

struct IXC_PageBlockData
{
    ULONG  Width;
    ULONG  Height;
    LONG   Stride;
    ULONG  reserved;
    UCHAR* pData;
};

Members

Width

The number of pixels in one scan line of the locked portion of the page.

Height

The number of scan lines in the locked portion of the page.

Stride

Offset, in bytes, between consecutive scan lines of the page.

reserved

Reserved for internal usage, and must be not modified by the user.

pData

Pointer to the first (index 0) scan line of the locked portion of the page.

Remarks

The IXC_PageBlockData structure is returned by PXV:IIXC_Page::LockPageBlock as part of the page block locking process, and used subsequently by IIXC_Page::UnlockPageBlock Method to unlock the page block. It should NOT be modified in any way!

See Also

IIXC_Page::LockPageBlock, IIXC_Page::UnlockPageBlock