Listbox Won't Display Anything In Owner Draw Mode
Mar 8, 2010
I have a listbox which works perfectly fine in regular mode. I'm experimenting with the other modes which allow you to switch font.
As soon as I go to ownerdraw mode, either variable or fixed, it is blank when I try to add items to to it. It throws no error but just doesn't do anything. There has to be something else I have to do, to tell it how I want to display it. But I don't know what. I'm using version 2003 of .NET I'm using "Items.add" to add items.
I'm using this line to set font :
lbox.Font = New Font("Arial", 8.25, FontStyle.Bold, GraphicsUnit.Point, Nothing)
Then I'm setting it unbold later.Why is it working perfectly fine without owner draw? Granted it isn't changing the font but it's working fine. What do I have to do to make it work otherwise, so that I can change the font?It's pretty much a standard listbox, without many changes made to the properties.
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Oct 4, 2011
I am trying to owner drawing a list view in Tile View Mode. I am creating Items and add them in the ListView_DrawItem Event, but ListView_DrawSubItem is not firing.
I have been searching internet regarding this issue but I could not found anything relevant, the only thing I found was to call the DrawSubItem method.
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Aug 29, 2011
I have created tooltips on a form from the toolbox and defined them as owner draw. I tied them to either a panel or a grid and they show up as black boxes the size that would contain the text that is assigned. If I had two areas next to each other, the text shows up. Neither the background or the forground color is black, so the black of the box is not from a color assignment. This has worked at one time and I do not know what changed.
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Oct 27, 2011
some controls(e.g. buttons/labels) dont have a drawmode property. Im looking to create buttons with rounded corners because they just look nicer :P. Now, the problem is that even when you have a custom paint event, the button just gets drawn first and the custom paint event will draw on top. Especially with rounded corners, where you see the parts of the default button in the corners. Is there a way to only execute the custom paint event / block the default paint?
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Dec 11, 2011
If i have a NotifyIcon is it possible to owner draw the balloon tip for it?If not i was thinking it would have to be done this way:Work out if the icon is visible or not (as in not collapsed in windows vista / 7 / xp), and if not call ShowBalloonTip to force the icon visible then hide the balloon somehow. Work out the rect in relatio
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Oct 27, 2009
I placed this checkbox named owner on my form. When i build the project i got the error as
Quote: 'owner' conflicts with property 'owner' in the base class 'Form' and should be declared 'Shadows'
[Code]...
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Jun 9, 2009
I tried to add icons to the items in the listbox(owner drawn listbox- variable). I m able to do it. But after adding the items, according to my requirement i need to remove few items now and then.I used:Listbox1.Items.Remove("Aqua")This removes the last item from the listbox instead of the mentioned one. the same is done even if i try to remove the selected index item.
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Sep 16, 2010
What is the real mode , protected mode , supervisor mode and the hypervisor mode ?
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Nov 2, 2011
I am using vb 2005. I have items in a Listbox. I want to rename a highlighted(selected) item just like same way the Window Explorer. (clicking the highlighted item, then the highlight is gone and the item string is put into rectangle box and ready for type-in by user.)
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May 14, 2011
Using fs As New FileStream("C: estsomefilename.ext", FileMode.Open)Using rdr As New BinaryReader(fs) fs.Seek(225, SeekOrigin.Begin)Dim b() As Byte = rdr.ReadBytes(32)Dim s As String = Encoding.UTF8.GetString(b)
End Using
End Using
End Sub
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Apr 28, 2011
I need help with the progress bar control. I can only get it to show or display in the Marquee mode, even though I have tried setting it to Continuous and Blocks. I have tried setting it programmatically at run time and in the IDE properties. I get the Marquee style every time no matter what I do. What am I missing here? I must be doing something wrong somewhere!Paul Abell
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Jul 20, 2010
Im using VS 2010 Trial edition. In my web application i got error "error hresult e_fail has been returned from a call to a component" while viewing the aspx page in design mode.
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Apr 13, 2009
I'm new to VB and I'm using vb 2005 to build an application. I need to do an application that when I click on the button, the display mode will be changed. For your info, I have install clone graphics driver. So I need when I click on the button, the display will switch from clone to extended mode.
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Jul 29, 2009
how can I draw a rectangle around the listbox's selected item? Something like the default windows focus rectangle.
I know I have to draw a custom ListBox, I have already done everything but this... This is what I'm trying, but it doesn't work
vb.net
If ColoredListBox.SelectedItem <> Nothing Then
Dim pos As Point = Me.PointToClient(Control.MousePosition)
e.Graphics.DrawRectangle(Pens.Red, pos.X, pos.Y, 259, 12)
End If
Is it possible to get the bounds of the selected item?
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Apr 8, 2011
If i try
ListView1.Sorting = SortOrder.None
ListView1.ListViewItemSorter = Nothing
ListView1.Items.Insert(0, "0")
ListView1.Items.Insert(1, "1")
ListView1.Items.Insert(0, "2")
ListView1.Items.Insert(1, "3")
If ListView1.View is SmallIcon , LargeIcon or Tile it dont work (Display 0 1 2 3). If it's in List it works (Display desired 2 3 0 1).
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Aug 7, 2010
Is it possible to select an item in one listbox and then display the data of another listbox with the same indexed position? I am planning a project and this is something I would like to attempt but I haven't figured out how to do it.[code..]
I tried doing the above code but instead of displaying the listbox text the message box just returned false.
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Jan 26, 2010
I am using vb express and want to display graphs for the data displayed in listview through queries. For example I display data in Listview with the following query:
Dim cmdText As String = "SELECT IncomeMode, SUM(AmountPaid) AS Amount FROM DailyIncome WHERE DIDate Between @START and @END Group By IncomeMode"
I have downloaded Ms Charts for vb.net. How I can code to draw the graph of the result of above query displayed in Listview .
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Oct 22, 2009
I've got a project where I want to be able to display a world map and draw lines between cities.I've looked at using a web browser with google maps but don't want it to have to be used while "online"
I've looked and longitude and latitude and converting these to UTM co-ordinates but i'm lost for how to place these on world map programaticly.I have a full list of all cities used in my program and have a list of their latitude and longitude co-ordinates because i need to work out thier distance apart which I have already done the code for.
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Jun 23, 2012
I enter Names and scores from a text box. Once i press "show me the array" my listbox gets populated with the names and scores. [code]...
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Jun 21, 2010
I'm wondering if there is any code that I could use in VB.net so it can determine the computer's startup mode (such as safe mode or safe mode with networking).
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Oct 14, 2010
i am using visual studio 2005 on win 7 with office 2007. i have developed win application. i am using microsoft activex spreadsheet component in my program. so it automatically creates reference to AxInterop.OWC11.dll When i run program in debug mode (open program and click RUN in toolbar it works) but if i run directly .exe (go to bin elease doubleclick .exe) it give error at loading point of that component. It says "Attempted to read or write protected memory. This is often an indication that other memory has been corrupted." An unhandled exception occurrs.
[Code]...
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Oct 28, 2010
I work for a shop that maintains a fairly new app. The app still has its fair share of bugs, with numerous tickets coming in daily. The error information we're given with those tickets is not as useful as it might be because the application was compiled in Release mode, which I read is smaller and faster (makes sense).
Are there any ramifications to deploying a .NET application to production that was compiled in Debug mode? I would expect it would be a bit slower, but I've read the difference is nominal. This would assure us that when we get errors on tickets we have line number associated with those errors and this, of course, makes debugging much easier. major red flags that would prevent you from doing this? I'm tasked with researching the possibility.
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Dec 8, 2009
This is applicable to C# and VB.Net. I am writing a console application, but one aspect of it I want to make representable in a GUI (that being downloads running, with progress bars). is it possible to write a console mode application that can also have a form in it that can be called from code inside the console component?
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Apr 5, 2011
my homework question is to display the selected items from a listbox (multi-extended) in a label. I need to display all the selected names in a label. the simplest most uncluttered way of doing this. This is what I've got but it doesn't work.
[Code]...
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Feb 20, 2012
Currently use word automation to mail merge some documents and print etc. A stand alone PC manage this, which means that when the document gets sent to the print queue it always has an 'owner' of the name of the stand alone PC.
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May 20, 2009
In explorer if you right click a file and select Security->Advanced it tells you the owner (the person who wrote the file or took ownership of it). How do I get this info from code?
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Oct 19, 2011
I am trying to open a form by using "form3.ShowDialog(Me)". Here "Me" refer a child form of Project's MdiForm. When i try to get form3's owner it returning the Mdiform name. My code is as follow:
''' Code in my MdiFrom to open the first child form
Dim ObjForm1 as Form1
ObjForm1.MdiParent = MdiParentForm
[Code].....
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Jun 11, 2010
I'm currently working on a project in which at one point, the user may right click a button which brings up a contextMenuStrip. I am already able to find the owner accurately from that strip, and manipulate the button clicked as follows:
Dim myItem As ToolStripMenuItem = CType(sender, ToolStripMenuItem)
Dim cms As ContextMenuStrip = CType(myItem.Owner, ContextMenuStrip)
Dim buttonPressed As DataButton = DirectCast(cms.SourceControl, DataButton)
But now for the tricky part. Within this contextmenuStrip, I have a DropDown menu with multiple items in there. I would assume you would be able to work your way up the ladder doing casts like above in the manner of
ToolStripDrowpDownItem > ToolStripDropDownMenu > ToolStripMenuItem > ContextMenuStrip
Unfortunately, when I try to get the sourcecontrol from this menuStrip, it return Nothing. Any ideas on how I can get the button that was pressed from this toolStripMenuItem? My current code is as follows (in which the sourceControl is Nothing)
Dim myItem As ToolStripDropDownItem = CType(sender, ToolStripDropDownItem)
Dim dropDown As ToolStripDropDownMenu = CType(myItem.Owner, ToolStripDropDownMenu)
Dim menuItem As ToolStripMenuItem = CType(dropDown.OwnerItem, ToolStripMenuItem)
Dim cms As ContextMenuStrip = CType(menuItem.Owner, ContextMenuStrip)
Dim buttonPressed As DataButton = DirectCast(cms.SourceControl, DataButton)
how to go about doing what I did in that first method, but just working my way up from further down the ladder?
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Oct 7, 2005
How to get the user/owner name of a process in vb.net?The reason I need it is because I developed an application,which I will put on the winnt enviroment, I want to allow multiple instance.but only allow one single instance per user.I am using Application.Run(MyMainForm) to start my application
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Apr 26, 2010
I need to get the DataGridView to perform the way it should perform. I'm new to the .NET environment, but I learn fairly quickly. However, I find it difficult to decipher themassive black box of the DataGridView control enough to make it do anything other than what it already does--Draw very slowly.
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