This method is specific to version 3, or higher, of the OS/2 operating system.
This instance method determines whether any hidden column data exists for the current object.
Note: This method is used only in details view.
#define INCL_WINWORKPLACE
#include <os2.h>
WPFolder *somSelf; /* Pointer to the object on which the method is being invoked. */
ULONG index; /* Column index for the current details view. */
BOOL Visible; /* Flag indicating whether the details column is visible. */
Visible = _wpIsDetailsColumnVisible(somSelf,
index);