I have an app that represents ShellFolder Items as a visual element
(listview item, etc). The code correctly performs Drag&Drop operations
EXCEPT in the case when the item being dragged is from a Virtual
Folder. The problem is that the DragSource is my app, not the Virtual
Folder, and therefore the IDataObject interface is clueless about how
to get the data.
My understanding is that I need to obtain and use the IDataObject
Interface of the Folder, since the Folder is the only thing that knows
how to extract the data. This I can do.
My Question:
How do I instruct the Folder's IDataObject as to which items
controlled by that folder should be included/made available through the
IDataObject?
My initial thought is to use the IDataObject's SetData method to pass
it a "Shell IDList Array" (CIDA) structure containing the items I want.
However, this seems backwards to me.
There must be some "normal" or "usual" way to do this, I just don't
know what that is.
Any help -- references, samples, advice, etc will be appreciated!
Thanks,
JP
3  4330 
"JP" <pa******@comca st.net> wrote in message
news:11******** **************@ g44g2000cwa.goo glegroups.com.. . I have an app that represents ShellFolder Items as a visual element
(listview item, etc). The code correctly performs Drag&Drop operations
EXCEPT in the case when the item being dragged is from a Virtual
Folder.
...
Any help -- references, samples, advice, etc will be appreciated!
If no one responds here try posting again in the group
microsoft.publi c.platformsdk.s hell
Regards,
Will
Will,
Thanks --- I was looking for the appropriate group -- and that one is
it.
What you are doing is correct. Set the PIDL for the virtual folder as the
data for the dragdrop in the CFSTR_SHELLIDLI ST format.
During dragdrop, use the IDropTarget of the folder which the dragdrop
operation is currently over.
- Atul
Sky Software http://www.ssware.com/
Drop-In Windows Explorer-Like Shell Browsing UI for your apps.
"JP" <pa******@comca st.net> wrote in message
news:11******** **************@ g44g2000cwa.goo glegroups.com.. . I have an app that represents ShellFolder Items as a visual element
(listview item, etc). The code correctly performs Drag&Drop operations
EXCEPT in the case when the item being dragged is from a Virtual
Folder. The problem is that the DragSource is my app, not the Virtual
Folder, and therefore the IDataObject interface is clueless about how
to get the data.
My understanding is that I need to obtain and use the IDataObject
Interface of the Folder, since the Folder is the only thing that knows
how to extract the data. This I can do.
My Question:
How do I instruct the Folder's IDataObject as to which items
controlled by that folder should be included/made available through the
IDataObject?
My initial thought is to use the IDataObject's SetData method to pass
it a "Shell IDList Array" (CIDA) structure containing the items I want.
However, this seems backwards to me.
There must be some "normal" or "usual" way to do this, I just don't
know what that is.
Any help -- references, samples, advice, etc will be appreciated!
Thanks,
JP This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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