Retrieves the number of unique display modes available as of the last call to DX11 SCAN FOR DISPLAY MODES.
You can use index 0 and up to this number minus one with the DX11 GET DISPLAY MODE WIDTH and DX11 GET DISPLAY MODE HEIGHT functions.

Return Dword = DX11 GET DISPLAY MODE COUNT()

This function does not take any parameters.

The number of available display modes on the local system.

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