IDXGIFactory2::CreateSwapChainForHwnd 创建交换链时，返回0x887A0001错误，也就是DXGI_ERROR_INVALID_CALL，查了下，原来是一个窗口句柄只能绑定一个flip显示模型交换链。附上MSDN上的解释：
Because you can associate only one flip presentation model swap chain at a time with an HWND, the Microsoft Direct3D 11 policy of deferring the destruction of objects can cause problems if you attempt to destroy a flip presentation model swap chain and replace it with another swap chain. For more info about this situation, see Deferred Destruction Issues with Flip Presentation Swap Chains.
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