ShowCategoriesDialog Method
Displays the Show Categories dialog box, which allows you to select categories that correspond to the subject of the item.
expression.ShowCategoriesDialog
expression Required. An expression that returns one of the objects in the Applies To list.
Example
The following example creates a new appointment item, displays the item on the screen, and opens up the Show Categories dialog box.
Sub Appointment()
'Creates an appointment item to access Fields property
Dim appolApp As Outlook.Application
Dim olApptItem As AppointmentItem
'Create an instance of the application
Set appolApp = Outlook.Application
'Create appointment item
Set olApptItem = appolApp.CreateItem(olAppointmentItem)
olApptItem.Body = "Please meet with me regarding these sales figures!"
olApptItem.Recipients.Add ("Jeff Smith")
olApptItem.Subject = "Low Sales Reports"
'Display the item
olApptItem.Display
'Display the Show categories dialog
olApptItem.ShowCategoriesDialog
End Sub