Solved

Create a user defined controls with drag and drop

Posted on 2013-10-30
2
289 Views
Last Modified: 2013-10-30
I am writing a small control which will be an instanciated many times in a list, yet another user control.  I wish to drag and drop one or more controls from that list into another control.  Is there any reliable reference material that would help me move forward with this.  

I have done drag and drop with standard controls but this seems slightly different and any guidance or reading material would be of great help.
0
Comment
Question by:Alyanto
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
2 Comments
 
LVL 86

Accepted Solution

by:
Mike Tomlinson earned 500 total points
ID: 39611645
I assume you mean at run-time?

Long story, short, it's not really different than any other control.  You may need to initiate the drag from within the child controls, however.  For instance, if there is a Label in the UserControl then clicking down and dragging on it would fire events in the Label instead of the UserControl itself.  You'll have to take that into account in your code.

But basically you just do:
	Public Class UserControl1

		Private Sub UserControl1_MouseMove(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles Me.MouseMove
			If e.Button = Windows.Forms.MouseButtons.Left Then
				Me.DoDragDrop(Me, DragDropEffects.All)
			End If
		End Sub

	End Class

Open in new window


Then handle the normal Drag/Drop events in the receiving control and move the UserControl to the new container by adding it to the Controls() collection.
0
 
LVL 1

Author Closing Comment

by:Alyanto
ID: 39611740
Nice one,
 

Many thanks

/Aly
0

Featured Post

On Demand Webinar - Networking for the Cloud Era

This webinar discusses:
-Common barriers companies experience when moving to the cloud
-How SD-WAN changes the way we look at networks
-Best practices customers should employ moving forward with cloud migration
-What happens behind the scenes of SteelConnect’s one-click button

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

In my previous article (http://www.experts-exchange.com/Programming/Languages/.NET/.NET_Framework_3.x/A_4362-Serialization-in-NET-1.html) we saw the basics of serialization and how types/objects can be serialized to Binary format. In this blog we wi…
Today I had a very interesting conundrum that had to get solved quickly. Needless to say, it wasn't resolved quickly because when we needed it we were very rushed, but as soon as the conference call was over and I took a step back I saw the correct …
I've attached the XLSM Excel spreadsheet I used in the video and also text files containing the macros used below. https://filedb.experts-exchange.com/incoming/2017/03_w12/1151775/Permutations.txt https://filedb.experts-exchange.com/incoming/201…

751 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question