The IDirect3DDevice::DeleteMatrix method deletes a matrix handle. This matrix handle must have been created by using the IDirect3DDevice::CreateMatrix method.
HRESULT DeleteMatrix(
D3DMATRIXHANDLE d3dMatHandle
);
If the method succeeds, the return value is D3D_OK.
If the method fails, the return value is an error, such as DDERR_INVALIDPARAMS.
Windows NT: Use version 4.0 or later.
Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
Windows CE: Unsupported.
Header: Declared in ddraw.h.
Import Library: Use ddraw.lib.
IDirect3DDevice::CreateMatrix, IDirect3DDevice::SetMatrix