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Applications use the methods of the IDirect3DQuery9 interface to perform asynchronous queries on a driver.
IDirect3DQuery9 Members
GetData Polls a queried resource to get the query state or a query result. For more information about queries, see Queries. GetDataSize Gets the number of bytes in the query data. GetDevice Gets the device that is being queried. GetType Gets the query type. Issue Issue a query.
Remarks
The LPDIRECT3DQUERY9 and PDIRECT3DQUERY9 types are defined as pointers to the IDirect3DQuery9 interface.
typedef struct IDirect3DQuery9 *LPDIRECT3DQUERY9, *PDIRECT3DQUERY9;
Interface Information
Stock Implementation d3d9.dll Custom Implementation No Inherits from IUnknown Header d3d9.h Import library d3d9.lib Minimum operating systems Windows 98