ose the dropdown discarding the user sCType（button.Parent、PopupContainerControl）OwnerEdit.CancelPopup（）。SubSub popupContainerEdit1_CloseUp（ByVal sender As Object、_ByVal e As CloseUpEventArgs）Handles popupContainerEdit1.CloseUp Restore selected items if the user sdiscardedNot e.AcceptValue Then IfDim popupContainerEditor As PopupContainerEditCType（sender、PopupContainerEdit）thedisplayed in the dropdownthe popupeditorDim listBox As ListBoxfindChildListBox（popupContainerEditor.Properties.PopupControl）If Not listBox Is Nothing Then Clear existinglistBox.ClearSelected（） Restorefrom the editor s editFor Each o As Object In CType（popupContainerEditor.EditValue、ArrayList）listBox.SetSelected（listBox.Items.IndexOf（o）、True）VSIfIfSub Locates and retrieves aListBox 2011最新contained within the specified収Function findChildListBox（ByVal parent As Control）As ListBoxFor Each 2011最新As Control In parent.ControlsTypeOf If収Is ListBox Then Return CType（収、ListBox）VSReturn NothingFunctionABC Amber CHM Converter 7.31Trial参照概括ABC Amber CHM Converter 7.31Trial送信。2000-2010 Developer Express。権利保留。AmberABC Amber CHM Converter 7.31TrialABC Amber CHM Converter 7.31TrialABC Amber CHM Converter 7.31TrialABC Amber CHM Converter 7.31TrialABC Amber CHM Converter 7.31TrialABC Amber CHM Converter 7.31TrialABC Amber CHM Converter 7.31TrialABC Amber CHM Converter 7.31TrialABC Amber CHM Converter 7.31Trial折展開ABC Amber CHM Converter 7.31Trial言語：全部言語：多言語：Basic言語：C言語：JScrip #