Frees a cached high-order patch.
HRESULT DeletePatch( UINT Handle );
If the method succeeds, the return value is D3D_OK. If the method fails, the return value can be D3DERR_INVALIDCALL.
Header: Declared in D3d9.h.
IDirect3DDevice9::DrawRectPatch, IDirect3DDevice9::DrawTriPatch, Using Higher-Order Primitives