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Drag and drop inside TextBox

Posted on 2010-11-23
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Last Modified: 2012-05-10
Hi experts!

Is it possible to select part of a text, drag it and drop it somewhere else along the paragraph or to a different one in the same text box?

If so, how can this be accomplished.

Thanks a lot in advance.
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Question by:jorgemgonzalez
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Expert Comment

by:deer22
ID: 34197599
You can do this with the richtextbox...here is a link showing how...

http://www.vbdotnetforums.com/editors/28119-drag-selected-text-text-box-drop-other-applications.html
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Expert Comment

by:Ady Foot
ID: 34197602
Yes it is possible.  You need to use the DragDrop method and then identify the location the drop occured, remove the text from the original position and place it at the drop location.

Ady
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Expert Comment

by:deer22
ID: 34197615
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Author Comment

by:jorgemgonzalez
ID: 34198262
Thanks experts for the fast reply.

Here's my problem: While by default the rich text boxes keep the selection intact on mouse down, the text boxes don't, and for me to use rich text boxes I'd have to remake a whole application where a lot of things go on on those text boxes, (2) and (Lazy me!) I'm trying to avoid that.

Now, according to afoot's proposal (Which in honesty I don't know how to implement) the result would be like moving the selected text, when I need to be able (also) to copy the selected text and drop it somewhere else in that text box or the other. (Piece of cake in rich text boxes, but then again, it would be a lot of work on a tight schedule)

I may be asking too much, but if there's a way of doing it, I'd really appreciate help on the matter as well as a good snippet.

Otherwise I will have to die on the shore of the rich text box realms. ;)

Thanks a million in advance.

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Expert Comment

by:deer22
ID: 34199110
Before I go and try to do this for you completely ;) here is another link that is close to what you're wanting.  Now this isn't the complete solution, but I think with a little trial and error you can get this to work like you want...

the link below will get you started and will drag and drop ALL the text from one textbox to another...you're probably going to have to mess around with some flags and setting the dragdrop property at the right time to get this to work...

http://msdn.microsoft.com/en-us/library/aa289508%28VS.71%29.aspx

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deer22 earned 500 total points
ID: 34199378
Alright well I'm going to get you a little further...

I attached some code which will drag the selected text from textbox1 to either textbox1 or textbox2.  Once dropped the textbox will contain the selected text.  Now to add it in the right place or where the mouse is positioned without losing the textboxes content before the drop will require more work...

Get the mouse position
Append the text to where the mouse is positioned

If you still can't get it working let me know...
tmp.txt
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Author Comment

by:jorgemgonzalez
ID: 34199610
Yup, I also checked this one: http://www.emoreau.com/Entries/Articles/2004/02/Drag-and-Drop-in-VBNet.aspx but I still have a problem with the selection.
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Author Closing Comment

by:jorgemgonzalez
ID: 34199811
That did it! The rest I got.

Thanks a million! Whatever but remaking this baby! :)
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