// Returns a pattern interface if supported, else null.
internal override object GetPatternProvider(AutomationPattern iid)
{
if (iid == ScrollPattern.Pattern && WindowScroll.HasScrollableStyle(_hwnd))
{
return(this);
}
return(null);
}
//------------------------------------------------------
//
// Patterns Implementation
//
//------------------------------------------------------
#region ProxySimple Interface
// Returns a pattern interface if supported.
internal override object GetPatternProvider(AutomationPattern iid)
{
// selection is always supported
if (iid == SelectionPattern.Pattern)
{
return(this);
}
// the scroll pattern is only supported when the list is scrollable.
else if (iid == ScrollPattern.Pattern && WindowScroll.HasScrollableStyle(_hwnd))
{
// delegate work to the NonClientArea implementation of IScrollProvider
IScrollProvider scroll = NonClientArea.Create(_hwnd, 0) as IScrollProvider;
if (scroll != null)
{
return(scroll);
}
}
return(null);
}
