[D3D10/11 Only] Returns the adapter index that the user should pass into EnumAdapters to create the device and swap chain in DX10 and DX11. If an error occurs the index will be set to -1.
See Implementation
[D3D10/11 Only] Returns the adapter index that the user should pass into EnumAdapters to create the device and swap chain in DX10 and DX11. If an error occurs the index will be set to -1.