IXC_PageBlockLockFlags Enumeration
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Specifies that a portion of the page is locked. | Specifies that a portion of the page is locked. | ||
Revision as of 13:24, 15 May 2015
Specifies that a portion of the page is locked.
Syntax
enum IXC_PageBlockLockFlags
{
PageBlock_ModeRead = 1,
PageBlock_ModeWrite = 2,
PageBlock_ModeRW = 3,
PageBlock_UserBuf = 4,
};
Constants
- PageBlock_ModeRead
- Specifies that a portion of the page is locked for reading.
- PageBlock_ModeWrite
- Specifies that a portion of the page is locked for writing.
- PageBlock_ModeRW
- Specifies that a portion of the page is locked for reading and writing.
- PageBlock_UserBuf
- Specifies that the buffer used for reading or writing pixel data is allocated by the user. If this flag is set, then the blockData parameter serves as an input parameter (and possibly as an output parameter). If this flag is cleared, then the blockData parameter serves only as an output parameter.
