UIAutomation.PatternCmdletBase.CallExpandPattern C# (CSharp) Method

        internal void CallExpandPattern(PatternCmdletBase cmdlet, IUiElement control, IUiElement inputObject)
        {
            try {
                control.PerformExpand();
                if (PassThru) {
                    WriteObject(this, control);
                } else {
                    WriteObject(this, true);
                }
            } catch (Exception) {
                WriteObject(this, false);
                // throw;
            }
//            try {
//                // IExpandCollapsePattern expandPattern = control.GetExpandCollapsePattern();
//                // IExpandCollapsePattern expandPattern = control.GetCurrentPattern<IExpandCollapsePattern, ExpandCollapsePattern>();
//                IExpandCollapsePattern expandPattern = control.GetCurrentPattern<IExpandCollapsePattern>(classic.ExpandCollapsePattern.Pattern);
//                if (expandPattern != null) {
//                    expandPattern.Expand();
//                    
//                    if (PassThru && null != (inputObject as IUiElement)) {
//                        WriteObject(this, inputObject);
//                    } else {
//                        WriteObject(this, true);
//                    }
//                } else {
//                    WriteVerbose(this, "couldn't get ExpandCollapsePattern");
//                    WriteObject(this, false);
//                }
//            } catch (Exception eExpPatternException) {
//            }
        }