100, Thank you again for your post. I was not aware of the tool you
mentioned. I briefly looked into it, and at first glance appears to be
exactly what I need to figure this out. Thank you again for all your
help. =)
Dave
"100" <100@100.com> wrote in message news:<eJQCW8t2DHA.2636@TK2MSFTNGP09.phx.gbl>...[color=blue]
> Hi Dave,[color=green]
> > Thank you 100 for your response. =) The ms-help isn't registered on
> > the computer I am currently on, but I believe I did find a similar, if
> > not the same article on MSDN.
> >[/color]
>
http://msdn.microsoft.com/library/de...ascenarios.asp
>
> Yes, this is the same article I was talking about.
>[color=green]
> > What I am trying to do is to use the mshtml stuff inside my .Net
> > application. I currently have it doing quite a bit, but the one thing
> > I cannot get it to do is accept a dragged string from my application.
> > Strings from non-dotNet apps are accepted just fine by it, but not
> > from any dotNet app that I have tried. This is the reason I was
> > attempting to use the COM IDropSource and IDataObject to create a
> > somewhat non-dotNet object to drop. One of the first things that I
> > tried was the .net DataObject that you spoke of, but that did not
> > help. =([/color]
>
> Actually what the drop target sees is COM interfaces so using DataObject or
> not should be the same.
>
> Reading you post I guess that the problem is in the data formats you
> receive. It looks like your program is looking for format that don't exist
> when you drag out from you application. Usually, programs like MSWord or
> WordPad provide very rich dataobjects in terms of data formats. Thus the
> chances that you find the format you want are big.
>
> For example when I look at what the DataObject has when I set simple text I
> get:
> - System.String - this won't be understand by non-.NET application
> - Unknown Clipboard Format
> - CF_TEXT - almost all application will understand that
>
> If you are not looking for any of the formats above you will not be able to
> accept anything dropped form .NET application.
>
> So, my suggestion is to use IDataObject-Viewer tool to check what the
> differences in the formats comming form .NET and non-.NET applications are.
> In cases that you haven't use that tool you can find it in the VS .NET
> folder
> in my computer it is located in
> C:\Program Files\Microsoft Visual Studio .NET
> 2003\Common7\Tools\Bin\dobjview.exe
>
> Just drag and drop some stuff on the tool window and it will show formats
> the data carries.
> And then you can make sure that your .NET application puts the same format
> in the DataObject.
> You said *mshtml stuff* if you are looking for HTML data format you'll find
> such data comming from MSWord or IE for example but you won't find it if you
> have string containing na HTML page and just do
> new DataObject(str);
> You should do
> new DataObject(DataFormats,Html, str);
>
> So make sure that the format(s) you are looking for comes when the drag is
> originated from your application
>
> HTH
> B\rgds
> 100
>
>
>[color=green]
> > "100" <100@100.com> wrote in message[/color]
> news:<ecPKJfg2DHA.1744@TK2MSFTNGP12.phx.gbl>...[color=green][color=darkred]
> > > Hi Dave,
> > >
> > > > I need to add the ability to drag from a Windows Form and drop into a
> > > > non dotNet application.
> > >
> > > Yes, you can do that. .NET applications use the same technology of[/color][/color]
> dragging[color=green][color=darkred]
> > > and dropping as the others non-.NET applications
> > >
> > > >For example, having a generated image in my
> > > > app that I wish to drag out into explorer as a friendly way to save
> > > > it.
> > >
> > > IMHO this is not completely possible. Objects D&D over windows explorer[/color][/color]
> or[color=green][color=darkred]
> > > the desktop may be saved in a so called *shell scrap* files. Those[/color][/color]
> *scarp*[color=green][color=darkred]
> > > files can contain embedded or linked objects, which afterwards can be[/color][/color]
> linked[color=green][color=darkred]
> > > or embedded in some container, but IMHO you cannot save the data in some
> > > native format (say if you D&D images in BMP or JPG). To have the[/color][/color]
> explorer[color=green][color=darkred]
> > > create *scrap* file from data your dragged the datao bject has to carry
> > > CF_EMBEDEDSOURCE and/or CF_LINKSOURCE data on it. But to open *scarp*[/color][/color]
> files[color=green][color=darkred]
> > > your application has to be OLE container. There are other options for
> > > *cached data formats* and *delay rendering* of course but anyways you[/color][/color]
> cannot[color=green][color=darkred]
> > > save the data in any format you want. The data will be saved in *shell
> > > scrap* files.
> > >
> > > >
> > > > I have tried creating the object that I place into the DoDragDrop() by
> > > > inheriting the COM interfaces IDropSource and IDataObject with no
> > > > luck.
> > >
> > > You don't need to create your own classes and inherit IDataObject You[/color][/color]
> can[color=green][color=darkred]
> > > use DataObject class provided by the framework. This class is all you[/color][/color]
> need[color=green][color=darkred]
> > > to make D&D and store data in the clipboard.
> > >
> > > If you want to read more for *shell scrap* files you can find some info[/color][/color]
> in[color=green][color=darkred]
> > > MSDN
> > >[/color][/color]
> ms-help://MS.MSDNQTR.2003FEB.1033/shellcc/platform/shell/programmersguide/sh[color=green][color=darkred]
> > > ell_basics/shell_basics_programming/transferring/datascenarios.htm#scrap
> > >
> > > HTH
> > > B\rgds
> > > 100[/color][/color][/color]
