wn_select_field_disable_c

	status.i4.v = wn_select_field_disable_c(window_id.i4.v, select_id.i4.v)

	This routine will disable a select field which was created by an
	earlier call to wn_select_field_init_c.

	window_id	ID of desired window (returned from prior call to
			wn_view(_c))
	select_id	ID of selection field type (returned from a prior
			call to select_field_register_c)
			(Note: If a value of WN_ALL_TYPES is passed,
			 all select fields in that window will be disabled.)

	This function returns ACNET status values as follows:

	CBS_NO_SUCH		select field does not exist
	otherwise		previous enable/disable state

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	wn_select_field_enable_c, wn_select_field_init_c,
	wn_select_field_register_c, wn_select_field_read_c,
	wn_select_field_set_c, wn_select_field_set_by_value_c,
	wn_select_field_delete_c, wn_select_field_text_to_id_c,
	wn_select_field_display_info_c

	C/C++ usage:

	int	status;
	int	window_id;
	int	select_id;

	status = wn_select_field_disable_c(window_id,select_id);