Microsoft DirectX 9.0

ID3DXEffect::OnLostDevice Method

Releases all references to video memory resources and deletes all state blocks.



Return Value

If the method succeeds, the return value is S_OK.

If the method fails, the return value can be D3DERR_INVALIDCALL.


This method should be called whenever the device is lost. Before this object can be used again, the device must be reset and the ID3DXEffect::OnResetDevice method called.

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