| RibbonPanelAddItem Method | 
 Adds a Ribbon item to the panel. 
Namespace: Autodesk.Revit.UIAssembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.0.0.0 (25.0.0.0)
 Syntax
Syntaxpublic RibbonItem AddItem(
	RibbonItemData itemData
)
Public Function AddItem ( 
	itemData As RibbonItemData
) As RibbonItem
public:
RibbonItem^ AddItem(
	RibbonItemData^ itemData
)
member AddItem : 
        itemData : RibbonItemData -> RibbonItem Parameters
- itemData  RibbonItemData
-  Data containing information about the new item. 
Return Value
RibbonItem The added Ribbon item. 
 Exceptions
Exceptions| Exception | Condition | 
|---|
| ArgumentNullException | Thrown when itemData is . | 
| ArgumentException | Thrown when an item with the itemData.Name already exists in the panel or the data is not of the correct type. | 
 Remarks
Remarks The new item may either be a PushButton, PulldownButton, SplitButon, RadioButtonGroup, ComboBox, or TextBox depending upon the type of data passed in.
The new item may be created as a large-size vertical control in the panel.
 See Also
See Also