The IDirect3DDevice7::DeleteStateBlock deletes an existing state block, deallocating the memory used to contain it. The DeleteStateBlock method accepts the handle to the state block to be deleted at its only parameter. After deleting a state block, any handles to it are considered invalid, and can no longer be used.

The Direct3DDevice7.DeleteStateBlock deletes an existing state block, deallocating the memory used to contain it. The DeleteStateBlock method accepts the handle to the state block to be deleted at its only parameter. After deleting a state block, any handles to it are considered invalid, and can no longer be used.