Drag and Drop UI Items vb net

Hi everybody.
This is my question:
I need to use drag and drop onto an item, i really don't have any idea how to do this, if anybody can tell me something i'll be very thankful.
I'm working with visual basic .net and SBO 2007

Victor,
Currently you do not have access to the Drag & Drop functionality of SAP Business One using the SAP Business One SDK.
Apologies,
Eddy

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You can use the mouse up and down event on the two tree controls but the problem is making the correct selection in the second tree control. I want to be able to switch over to the selection bar of the second tree control so that I can place my item in the correct position. I know all possible workarounds with double-clicks and so on... but I really want a windows drag and drop.
This is what I have for the moment. Please check the library below. I need to activate the selection bar of the second tree control somehow to get the position in the control. The VI below is written in LV 7.1
Attachments:
Drag&Drop.llb ‏65 KB

Hi Jones,
As far as I know this feature is currently not supported by the Tree control. A workaround, would be to use the vertical position of the mouse in the button up event to determine what line you�re dropping the item.
If you would like the Tree control to include the drag and drop feature, please submit this as a Product Suggestion under the feedback at www.ni.com/contact.
Good luck!
Best regards,
Philip C.
Applications Engineer
National Instruments
www.ni.com/ask
- Philip Courtois, Thinkbot Solutions

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Hello,
For me this functionality is still working...
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-- http://dgielis.blogspot.com/
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-- http://www.apexblogs.info/

Drag and drop multiple items

Hi,
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This is the drag and drop portion of the code:
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Files Here:https://www.dropbox.com/s/ynjd5vans42k56u/testtime.zip?dl=0

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Drag and Drop in Item Renderer

I created an item renderer for use in a TileList. This item
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Dragging and dropping an item within horizontalList does not display correctly

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The HorizontalList def is
<mx:HorizontalList id="myList" width="92%" height="100%" columnWidth="90" rowHeight="105" rollOverColor="#f26722"
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<?xml version="1.0" encoding="utf-8"?>
<mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml" horizontalScrollPolicy="off" verticalScrollPolicy="off" horizontalAlign="center"
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<mx:Script>
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    ]]>
</mx:Script>
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    <mx:Label id="imageName" height="18" width="90" textAlign="left"/>
</mx:VBox>

Hi Alex,
In your blogpost on itemRenderers, you discussed something relevant in a brief section on "Background color changes when data changes". However, I could not find any reference for use on dataChange event handler. Can you pelase point me to the right article?
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I've tryied with no success, my results are shown in the attached image.
Thanks in advance!

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Basically I am having the exact same issue as, http://discussions.info.apple.com/thread.jspa?threadID=1372514&start=0&tstart=0 .
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after drop item on another item the position of items should be change. (Example:- if I select 1st item from list and drag and drop this item to 4th item in list after drop that item position of both item should be changed 1st item on 4th position and 4th item on 1st position)
I don't know how to do this.Please help me to find the solution.

Hello Zoltan,
I do not believe that kind of option is built into the listboxes, but I was able to have similiar functionalities using property nodes. I have included an example program that I put together.
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Hope this helps you out!
Attachments:
Temp.vi ‏33 KB

WPF Treeview Drag and Drop

Hi All,
I faced an when using WPF Treeview Drag and Drop function. Firstly, I can achieve Drag and Drop in a general TreeViewItem. I followed this article in CodeProject: http://www.codeproject.com/Articles/55168/Drag-and-Drop-Feature-in-WPF-TreeView-Control
This scenario works for the TreeViewItem looks like below,
<TreeView x:Name="_countries" AllowDrop="True" MouseLeftButtonDown="OnTMouseDown">
<TreeViewItem Header="USA">
<TreeViewItem Header="New York"/>
<TreeViewItem Header="Canifonia"/>
<TreeViewItem Header="Sourth East">
<TreeViewItem Header="Houston"/>
<TreeViewItem Header="DAL"/>
<TreeViewItem Header="SAN"/>
</TreeViewItem>
</TreeViewItem>
<TreeViewItem Header="China">
<TreeViewItem Header="Beijing"/>
<TreeViewItem Header="Jiangsu">
<TreeViewItem Header="Nantong"/>
<TreeViewItem Header="Suzhou"/>
<TreeViewItem Header="Wuxi"/>
</TreeViewItem>
</TreeViewItem>
<TreeView.ItemContainerStyle>
<Style TargetType="TreeViewItem">
<EventSetter Event="TreeViewItem.DragOver" Handler="OnTDragOver"/>
<EventSetter Event="TreeViewItem.Drop" Handler="OnTDrop"/>
<EventSetter Event="TreeViewItem.MouseMove" Handler="OnTMouseMove"/>
</Style>
</TreeView.ItemContainerStyle>
</TreeView>
My Question is if i custom the TreeView Item like:
<TreeView.ItemTemplate>
<HierarchicalDataTemplate DataType="{x:Type local:QuestionInfo}" ItemsSource="{Binding Infos}">
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding Path=Name}"/>
<TextBlock Text="{Binding Path=Score}"/>
</StackPanel>
</HierarchicalDataTemplate>
</TreeView.ItemTemplate>
1. How to achieve the Drag and Drop function?
2. Since the data is binding to TreeView, When i Drag and Drop item. I want to keep the same order in my data source. In other words, If i drag the third TreeView Item to the first item.
3. How to change the Drag and Drop animation?
Could you please do me a favor?
Thanks a lot.

Hello Ricky,
For question 1, "How to achieve the Drag and Drop function?"
I would recommend you read a blog from here:
http://wpftutorial.net/DragAndDrop.html?showallcomments
The important part of this code is the following line:
// Get the dragged ListViewItem
ListView listView = sender as ListView;
ListViewItem listViewItem =
FindAnchestor<ListViewItem>((DependencyObject)e.OriginalSource);
And the FindAnchestor is to find the parent of your selection:
// Helper to search up the VisualTree
private static T FindAnchestor<T>(DependencyObject current)
where T : DependencyObject
do
if( current is T )
return (T)current;
current = VisualTreeHelper.GetParent(current);
while (current != null);
return null;
Please consider the following scenario, if you have a textbox in a canvas, if you want to drag and drop your textbox, you are using the function about to search for it parent object, the canvas and then you are moving that canvas. In this way we can drag
and drop a item which may contains the textbox you mentioned.
A complete sample can be checked from a great blog below:
http://openszone.com/solution/how-to-accomplish-drag-and-drop-wpf-treeviewitem
And for the question about the Drag and Drop animation, do you mean you want to "create a preview effect for the operation"
If so, try this blog：http://blogs.msdn.com/b/marcelolr/archive/2006/03/03/showing-drag-drop-feedback-on-the-wpf-adorner-layer.aspx
The second question "data source", I think we can talk about it if you can share how you defined your datasource. That is more reasonable then just guess how your source will be filled into treeview.
Anyway, I would recommend you check Flankin's blog for some details about this.
Best regards,
Barry
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10.7 Lion Install - Drag and Drop no longer works

Just upgraded to Lion and my 'drag and drop' featuer works no where... No in finder (desktop to trash), Safari (customizing toolbar), or Dock (removing or rearranging icons). The rest of the track pad and all new gestures work flawlessly, but when I try to drag and drop an item it gets picked up and I can move it around, but it never 'drops'. The only way to get it off my cursor is to click the Apple logo in the top left corner.
I've done some digging but all the tips I find aren't pertinent to my situation, or reference files that I somehow can't find on my machine. Any help would be greatly appreciated!

I am having this issue too and bbiron is right, the only way to get the ghosted image of what you want to Drop detached from your cursor is to click the Apple menu.
In addition to all the intances bbiron mentioned, which are all replicable by me as well, it also happens when I'm trying to drag links or tabs in Safari/Chrome.
For the record, I did an upgrade from Snow Leopard and not a clean install of Lion. I'm using a MBP5,1 if that makes any difference as well.

Wacky Drag and Drop issue with JNLP

I'm sure I'll have to be a bit more descriptive but I'll just throw this out and see if anyone has any suggestions.
I've got a swing app which is an administration tool to a rules engine I have built. I distribute the app to users using JNLP 1.2.
Here's the problem. When I launch the app using JNLP, a portion of the app does not work. There is a panel in which I allow users to drag items off of a tree and onto a panel. They can drag and drop one item but when they attempt to drag and drop a second item it doesn't drop. If I take that same code which is being distributed via JNLP, copy it to the local machine and run it, it works. I can drag and drop all day long.
There are no exceptions, no errors or funny gooey state things going on. I start the drag, the mouse pointer changes, I hover of the drop zone and let go of the mouse and it appears to drop, but the component does not show. Wacky.
Does this set off any bells to anyone?
Thanks,
- Jay
App compiled using 1.4.1_01.

Ah ha.. Yes this does seem to the issue. Thanks for the response. I've tested it on a couple of machines and it works on the one's with 1.4.1 and it doesn't seem to work on 1.4.0 jre machines.
NEW Question though, if I set my .jnlp to:
<j2se version="1.4.1+"/>
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Is there any way to get this guy to auto-install???
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Thanks...

Drag And Drop in TileList

Hi,
I want to drag and drop an item onto an item of the TileList
control. for example, i have a list of Category image in a TileList
and few items in another TileList, now i need to drag the items and
drop them onto a Category in the Category TileList. how can i do
this...?
Please help me..
Thanks in Advance

Got the answer from Joan Lafferty on the FlexCoders forum:
Use calculateDropIndex(event:DragEvent) that is a function
for a TileList. In will return the index where the item was
dropped.
And that works:
private function myDragDrop(e:DragEvent):void {
var dropIndex:int = tilelist1.calculateDropIndex(e);
Alert.show("dropIndex: " + dropIndex);
Thanks Joan!

Drag and Drop UI Items vb net

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