ArcObjects Library Reference (ArcMapUI)  

esriMxCustomizationEvent Constants

Mx customization event types.

Constant Value Description
esriCEShowDataFrameProperties 100 Show Data Frame Properties.
esriCEShowAddDataDialog 101 Show Add Data Dialog.
esriCEShowLayersProperties 102 Show Layer Properties.

Product Availability

Available with ArcGIS Desktop.