Well, I think I am about to give up on this.  The following code only works if the user has clicked the attachment in the Email before dragging it over (it is visible in the Email). ActiveExplorer.AttachmentSelection.Count returns zero if you start dragging the attachment before clicking it first.  The other issue is once the attachment has been selected then the count will always be greater than zero regardless of it being visible in the Email or not. This means they cannot go back and start dragging the Email until then have clicked off of it and then back on to clear the count.

ll_selected_outlook_count = lole_OutlookApp.ActiveExplorer.AttachmentSelection.Count
IF ll_selected_outlook_count > 0 THEN
   FOR llNdx = 1 to ll_selected_outlook_count
      ls = lole_OutlookApp.ActiveExplorer.AttachmentSelection.item(llNdx).FileName
   NEXT
END IF

I have read many posts about this issue with other developers.  The one solution that someone provided was to use the FileGroupDescriptor from the IDataObject ( Outlook Drag and Drop in C# - CodeProject ) but I have been unsuccessful in getting that to work in PowerBuilder.

I think I am all fished out for now.  If anyone finds out how to do this please let me know!

Chris Craft

Well, Chris, assuming your question is in regards to Outlook, in this "teach a person to fish" moment... what I do when faced with a question about manipulating information in Outlook or other Office products is look at the online documentation for the product's Object Model, which for Outlook can be found here:

    https://learn.microsoft.com/en-us/office/vba/api/overview/outlook/object-model

The objects in Outlook are listed alphabetically in the sidebar, and right after "Attachment", then "Attachments" (which is a collection of all of the Attachment objects in an Outlook item) is...(drum roll, please...) "AttachmentSelection":

    https://learn.microsoft.com/en-us/office/vba/api/outlook.attachmentselection

This object is a collection of the currently-selected attachments in an Outlook item (i.e., message).

Best regards, John

Are you referring to manipulating Outlook via OLE?