VS 2005 - Looking For ListView ItemDrop Event?
Jul 13, 2009
I'm making an explorer sort of program, and I want to be able to drag files into folders to move them. I looked in the events of the ListView, and there's an ItemDrag event, but no ItemDrop event. I'm probably missing something obvious, aren't I? How do you do it?
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Aug 27, 2009
I am trying to display the listview subitem in the Listview .Actual Problem Dispaly:I have to dispaly the three values :
BARcode CheckoutFlag TAGUID
L00657 Loo657 E00010003E
But ,I am getting the wrong display:
BARcode CheckoutFlag TAGUID
E00010003E Loo657 E00010003E
I am unable to print the barcode value.where ever Ia m able to display the Little value.The main two functions are below.
vb.net
Private Sub rfLoadtoList(ByVal iBarcode As String, ByVal iTitle As String, ByVal ImgIndex As Integer, ByVal bgColor As Color, ByVal frColor As Color, ByVal cFlag As Boolean)
Dim Srnumber As Integer
[code].....
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Jun 30, 2009
Can i Know how to catch between these 2 event, Leave and Click?
I have one checking in a textbox Leave event. I will go check whether this ID is already exist in DB or not. If exist, I will prompt MSG box to user.
When I click on Close button while focus is on textbox, this textbox Leave Event will trigger first before Button Click event.
So, the form remains open without trigger Button Click event.
how to prevent this textbox leave event or how can i catch/control this situation?
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Jan 23, 2008
VB.NET 2005
Anyone has a quick way to copy a listview to a new listview?
It tried the following, but it crashes ..
Dim arrTemp(lvwTemp.Items.Count) As ListViewItem
lvwTemp.Items.CopyTo(arrTemp, 0)
lvwObjectsFound.Items.AddRange(arrTemp)
[Code].....
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Mar 4, 2010
Why can't I get the clickedItem.SelectedItems.Item(0).Text value?
Dim UserList As New ListView()
AddHandler UserList.MouseDown, AddressOf ToolSearchAD_ListView_Click
UserList.ContextMenuStrip = c_mnuADSearch
[code].....
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Apr 13, 2004
I have a ListView that populates some fields whenever the user selects an item. However, if they change the data in the fields and then select a new item without saving, I want to display a message box that warns that their changes will be lost, and asks them to confirm whether to continue. Sounds simple.
Unfortunately, the ListView's SelectedIndexChanged event cannot be cancelled, and it's actually called for each change in the selection. So, for example, if item 1 is selected and the user then selects item 2, the event is called twice: once to remove the selection of item 1, and then to add the selection of item 2. If you go from having one item selected to having five (for example), the event fires to remove your original selection, and then again for each of your new selections - six hits in all.
Obviously, this makes it a bugger to determine when the event should be cancelled and reset back to the original. I obviously don't want my message box appearing six times....
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Mar 3, 2010
Using VS 2005 I've created a project with some form on it. Each of the forms are fairly similar in structure and I have copied the contents of one form to another form etc. I have code the loads the data into the ListView on each form and that works fine but when I put a Click event on the ListView, it doesn't fire. I created a new project to do some testing and put some items in the ListView and the Click Event fires when I expect it. What am I overlooking? The code for the Form is included below: it loads the data fine and I can select a line in the ListView but as previously stated, the Click event just won't fire!
Private Sub frmViewRequests_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Try
[Code]....
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May 10, 2010
I have an explorer-like form with a TreeView and a ListView. I have finally figured out how to populate the the ListView based on the selected node, but when I am debugging, I click on a node, and the ListView doesn't change. I have to single click twice on the node for it to work. What could be my issue? I have included the code from my sub below.
Private Sub TreeView1_NodeMouseClick(ByVal sender As Object, ByVal e As System.Windows.Forms.TreeNodeMouseClickEventArgs) Handles TreeView1.NodeMouseClick
Dim newSelected As TreeNode = e.Node
ListView1.Items.Clear()
Dim subItems() As ListViewItem.ListViewSubItem
[Code] .....
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Jun 16, 2009
I have a problem getting the collection of items in the ItemMouseHover event. I want to get the collection of all the items and subitems when the Mouse Hovers in the ListView. I have the property of Full Row select in the ListView.
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Jun 16, 2009
i have a problem getting the collection of items in the ItemMouseHover event. I want to get the collection of all the items and subitems when the Mouse Hovers in the ListView. I have the property of Full Row select in the ListView.
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Mar 22, 2010
I have a listview filled with single letters as the text. How do I get the listview_keypress event to select the appropriate letter in the listview when that letter is pressed on the keyboard? The listview has focus, and I can even msgbox e.keychar to see it is getting the proper letter. But how do I get it to select that letter as if it were being double clicked?
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Jun 9, 2011
i am using vb.net 2005 and i want to know the event name for a listview that happens every time an item is added.
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Mar 15, 2012
In old vb6.0 it was easy to highlight the target item, where to drop those dragged rows.
Private Sub listView_OLEDragOver(Data As MSComctlLib.DataObject, Effect As Long, Button As Integer, Shift As Integer, x As Single, y As Single, State As Integer) Set listView.DropHighlight = listView.HitTest(x, y)
You can get the item to drop to in VB.NET:
Private Sub ListView_DragDrop(ByVal sender As Object, ByVal _
e As System.Windows.Forms.DragEventArgs) Handles _
ListView.DragDrop
[CODE]...
Now we got the index and item, where to drop. But then what? One possibility to do the HighLight is change the ListViews state to "LVIS_DROPHILITED" by sending Windows message "SendMessageA(lvw.Handle, LVIS_DROPHILITED, 0, 0)". But when is the right time to do that (DragEnter or DragDrop event) and what are the right parameters? Didn't succeed on that yet.
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May 19, 2009
I am using VS 2008. I have a listview control whitch 'checkboxes' property enabled.My question is: how can I trap a MouseMove event over an item only, excluding the associated checkbox?I have the following code in MouseMove event of the ListView control but it cannot differentiate between an 'item' and a 'checkbox:
Private Sub mylstview_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles mylstview.MouseMove
Dim oListViewItem As ListViewItem[code]....
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Sep 4, 2009
how we can sort a listview by a column without click event?
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Dec 22, 2009
I have a very strange bug, I can't really find any reason so far why it's happening..I have a Listview doubleClick Event that fires twice.. for no specific reason, even if I go very slow (carefully) to dbl click properly.But when I put a BP to check what's happening,
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Apr 29, 2010
I want to scroll the items on the listview on the event of a button clik.is there any funtion on .Net(Windows Application) for this?
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Jun 22, 2010
Is there a event detect change of Listview item count? Like it will be trigger whenever i add an item or delete an item form listview. I search on MSDN Listview Event member, but cant c any usefull.
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Jun 23, 2011
Does anyone have a trick to catch when the mouse is over a listview column header ? As you know there is no native handler that would fire such event...
I have build a small routine that will be able to tell over which column the mouse actually is, the problem remains in which event to put it..
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May 13, 2010
I am creating a program in which there is a listview control with many items contained in it. It also has checkboxes for each of them. I am trying to get it so that when you check the checkbox next to an item, it removes the item from the list. I am using this code:
Private Sub ListView1_ItemCheck(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ItemCheckEventArgs) Handles ListView1.ItemCheck
ListView1.Items.RemoveAt(e.Index)
End Sub
When I run this however, and check an item, it gives me this error (I am checking the first item in the listview, which would mean the index is 0): InvalidArgument=Value of '0' is not valid for 'index'. Parameter name: index
I've have been testing this code out for both the listview events ItemCheck and ItemChecked. How is 0 out of the index range? Wouldn't it be the first item in the listview, in which case it should remove the item.
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Jul 2, 2009
[quote] I Want To Take Record From a Listview to TextBox on a Form on DoubleClick Event
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Jul 14, 2009
I would like to fire an event when double clicking on a listview, but more specifiquelly in the blanck area (where NO item exists)I have read from this msdn page :
Quote: The mouse pointer must be over a child object (TreeNode or ListViewItem). how to fire the event another way ?
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Jan 16, 2010
I'm trying to create an inherited version of the ListView control that (among other things) should have a different background image if the listview is empty to if it has items.Obviously you can easily enough test the count of the collection, but I need to be able to react to the event, however there doesn't appear to be any event related to adding/removing items.
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Nov 2, 2009
I'm using the following code to pull some of the installed applications from the registry and load them into a ListView:
vb.net
Public Sub UninstallPrograms()
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionInstallerUserDataS-1-5-18Products
[Code].....
The problem is that I need to be able to access the the value of the uninstallString so that I can pass it to the appropriate process. Since that info is in a separate block, I can't directly access it.
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Jun 11, 2010
see i have a form in that i have following controls
.combobox
.textbox
.listview
the combobox contains all the column names of listview like docid,firstname,surname etc
when the form is loaded the listview is populated with some data from the database.
is there is anyway to autopopulate the listview control based on search term entered on the textbox.i heard about the "onchange event",but i'm not sure how it works .
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Aug 29, 2008
As the subject describes, once I implemented support for DragDrop - The DoubleClick event of the ListView control no longer fires.An overview of the code is as follows:
Private Sub ListView_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles ListView.MouseMove
[code]......
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Dec 20, 2011
I have a VB (.NET3.5) project like this:
- form1: IsMDIForm = true.
- form2: adding a list view with 2 records, select first record, and register the event ItemSelectionChanged.
- Add form2 as a child of form1 (form2.MDIParent = form1).
- When use "form2.Show()" -> the event ItemSelectionChanged firing three time:
+ 1st: SelectedItem = 1
+ 2nd: SelectedItem = 0
+ 3rd: SelectedItem = 1
I want to know the rootcause (not Solution) of thi issue, can anyone help me !?
Project code: http://www.mediafire.com/?hhhdzh5te1wrod4
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Aug 12, 2010
whats the quickest and least application hogging way to retrieve image from web and show in picturebox on listview selection event?
Heres the code i have already which produces app lag for abut 3-5 seconds per image loaded, i think as it stretches the image to fit into picturebox (which is needed)
vb Private Sub bwGetScreen_RunWorkerCompleted(ByVal sender As System.Object, ByVal e As System.ComponentModel.RunWorkerCompletedEventArgs) Handles bwGetScreen.RunWorkerCompleted
For l As Integer = 0 To ListView2.Items.Count - 1 'start download selected If ListView2.Items(l).Selected = True Then Dim fileid As String = ListView2.Items(l).SubItems(5).Text.ToLower Dim recordid As String = ListView2.Items(l).SubItems(6).Text.ToLower + 1 urlpic = "http://se-board.com/index.php?app=downloads&module=display§ion=screenshot&full=1&id=" & fileid.ToString() & "&record=" & recordid.ToString()
[Code]...
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Aug 26, 2009
Does anyone know why a ListViews dragover event does not fire when dragging over a listview column header or an empty row?I'm trying to highlight the row a user is dragging over. Everything works with the exception that when I drag over the column header or an empty row the previous row stays highlighted since the dragover event doesnt fire. Is there another event that I should be looking at? I've checked the hover over and it doesnt fire either.
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May 9, 2011
I am using Visual Studio 2008 and VB.NET. I've got a listview control on my form and I've added columns using the windows forms designer. As you know, if you double-click on the sizer or divider or whatever you want to call it between two columns, the column on the left will autosize (unless you disable that). How can I catch this specific event? The ColumnWidthChanged event and the DoubleClick event are likely candidates, but in the ColumnWidthChanged event, there's no way I can see to determine if it was an autosize. Similarly, there's no simple way to catch what was clicked exactly with the DoubleClick event. how I can catch this specific event type?
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