IXC_PageBlockLockFlags Enumeration

Images Core Layer > Enumerations > IXC_PageBlockLockFlags Enumeration

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.