public static int SelectedItemCount(IntPtr controlHandle)
{
try
{
AutomationElement control = CommonUIAPatternHelpers.Prologue(SelectionPattern.Pattern, controlHandle);
if (!SelectionPatternHelper.CanSelectMultiple(control))
{
return(-1);
}
AutomationElement[] selectedItems = SelectionPatternHelper.GetSelection(control);
if (selectedItems == null)
{
if (CanSelectMultiple(controlHandle))
{
/* Call native function */
return(ProdListBoxNative.GetSelectedItemCountNative(controlHandle));
}
}
if (selectedItems == null)
{
return(-1);
}
LogController.ReceiveLogMessage(new LogMessage("List selection count: " + selectedItems.Length));
return(selectedItems.Length);
}
catch (InvalidOperationException err)
{
throw new ProdOperationException(err.Message, err);
}
catch (ElementNotAvailableException err)
{
throw new ProdOperationException(err.Message, err);
}
catch (ArgumentException err)
{
throw new ProdOperationException(err.Message, err);
}
}
private static int NativeGetSelectedItemCount(BaseProdControl control)
{
return(ProdListBoxNative.GetSelectedItemCountNative((IntPtr)control.UIAElement.Current.NativeWindowHandle));
}