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Tip of the Day
Language: Visual Basic
Expertise: Intermediate
Aug 26, 1999

Support Enumeration in Your Collection Classes

To create a collection class you can use with the For Each...Next syntax, add a subroutine that looks like this:

 
Private myCollection As Collection

Public Property Get NewEnum() As IUnknown
	Set NewEnum = myCollection.[_NewEnum]
End Property

Click on the Tools menu and select Procedure Attributes. Select the NewEnum procedure from the combo box. Click on the "Advanced >>" button. In the ProcedureID field, enter the value -4. Check the "Hide this member" checkbox. Now you can use the For Each...Next syntax with your collection class in the same way as a standard collection.

Russell Jones
 
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