The IMVGray interface is used to control the filters image
processing algorithm. Read the filter description to see how the
filter is used.
Interface definition language file:
HRESULT get_SelectedChannel( [out, retval] int
Returns the currently selected color channel.
||A pointer to an integer value that receives the
currently selected color channel as MV_COLOR_CHANNEL.
HRESULT put_SelectedChannel( [in ] int iChannel
Sets the current color channel.