🚀 go-pugleaf

"Oren Halvani" <Spam@halvani.de> wrote in message
news:45109658@newsgroups.borland.com...

> can someone explain me what i should do if i want my programm
> to accept Drag 'n Drop from Outlook Express (for instance:
> E-Mails or News-posts) or any other application ?

What you are asking for is VASTLY more complex to implement than what you
were using before.  You have to write a class that inherits from the
IDropTarget interface, and then use RegiserDragDrop() to let the OS know
about it.  When another application wants to begin a Drag&Drop operation, it
has to call DoDragDrop().  When an item is dragged over your application and
then dropped, the variable methods of the IDropTarget interface will be
called inside your application.  You can then retrieve the data from the
provided IDataObject interface.

Please go to http://www.deja.com and search through the newsgroup archives.
This topic has been discussed many times before.

> Do i need to catch the Drag 'n Drop message of each specific application

No, because there are no messages involved to begin with.

> I've noticed, Drag 'n Drop of text into my program works from the
> most applications that use lke my program the RichEdit control...

That kind of Drag&Drop operation is handled by the RichEdit control itself
at the OS layer.

> why can't I do the same Drag 'n Drop for other things like: E-Mails
> from Outlook Express or Thunderbird, etc... ?

Because you are approaching the issue from the wrong direction.  Such data
requires a completely different approach, as described above.


Gambit