VS 2010 : Adding ToolboxBitmap To Usercontrol?
Jan 16, 2011
i'm having trouble adding an Icon for the Toolbox on my UserControl.I'm using the following:
<ToolBoxBitmap"CovButton.bmp")> _
I have CovButton.bmp added to the project and have it's build set to 'Embedded Resource'.However i can't compile it because i'm getting an error with the line continuation character saying the following "Attribute specifier is not a complete statement. Use a line continuation to apply the attribute to the following statement.".If i remove the space between the > and _ it gives me the error "Line continuation character '_' must be preceded by at least one white space and must be the last character on the line."
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Aug 30, 2011
After adding a UserControl to a form which access my database I get this warning:
Warning1The database file cannot be found. Check the path to the database.
[ Data Source = C:Program Files (x86)Microsoft Visual Studio 10.0Common7IDEDatabase.sdf ]
C:UsersUserDocumentsVisual Studio 2010ProjectsProject1Project1Options.Designer.vb2160
Thing is I never had a database at that location, my database is and has always been in MyDocuments in the Project folder itself. There is nothing anywhere in my code referring to that database! When I double click it I get sent to this line in the Designers window:
Me.Controls.Add(Me.BoxControl1)
Even though I get this error I can still access my database, so basically it does absolutely nothing except drive me mad! So how do I fix this?
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Sep 30, 2010
I got a user control that has a few links, one of them is "add article". It's placed on top of the article and bottom of it. When the user clicks on it, the text changes to 'article added'.
But the text only gets changed for one of the links which has been clicked on. How can I make it so that both text changes no matter which one gets clicked?
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Jul 29, 2011
I have a user control which I load dynamically inside a page using for...each loop calling loadcontrol.
Inside that usercontrol, there is a textbox and a button for searching.
When the btnSearch is clicked, another usercontrol will open but this time it is a popup. This popup contains the search result.
Now the problem is, if I have my program created 5 controls in the loop, the search button in the usercontrol only functions on the first display. The other 5 usercontrols loaded have search buttons that only refreshes the page instead of calling the popup.
The codes for search are inside the btnSearch of the usercontrol.
H9ow can I make the other dynamically added controls work and not only on the first instance?
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Feb 4, 2011
How would I add a toolbox bitmap to a control in vb.Net? I did find the <ToolboxBitmap ...> statement, but I'm still confused on the best way to use it. I also haven't found a good explanation of actually adding a bitmap resource to a project.
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Oct 6, 2009
I am trying to add an ArrayList property to a UserControl with the following
Private _hist As ArrayList
Public Property History() As ArrayList
Get
Return _hist
End Get
[Code]...
I get an 'Object reference not set to an instance of an object' error.
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Jan 22, 2012
When we build a Custom User Control a violet wheel appears as the icon for the created control in the toolbox. I read it can be changed through the ToolboxBitmap attribute. But the one line code with bitmap location specified as a string argument is not working.
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Oct 10, 2009
I have an imagelist control in a usercontrol I made. I would like to create a property for this usercontrol, to select multiple images (in an 'openfiledialog'), and adding them to the imagelist inside the usercontrol. So, what's the type of this property?
Public Property thelistofimages as [?]
It should be an array of images I guess. And then in the 'set' of the property it would add all the images to the imagelist.
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Dec 2, 2008
I have a TabControl on a UserControl. I want the UserControl to behave like a TabControl as usual (it contains only the TabControl and a Contextmenu), including Design-time behavior.I have spent the last two weeks finding out how to add the Design-time behavior and I think I have come a far way.The problem is with adding TabPages during Design-time (while the UserControl is a custom tabcontrol, it is using regular windows forms TabPages).In the Designer class, I have the following code to add a TabPage:
vb.net
Dim dh As IDesignerHost = DirectCast(GetService(GetType(IDesignerHost)), IDesignerHost) If dh IsNot Nothing Then Dim i As Integer = tc.SelectedIndex Dim name As String = GetNewTabName() Dim tab As TabPage = TryCast(dh.CreateComponent(GetType(TabPage), name), TabPage) tab.Text = name tc.Controls.Add(tab)
[code]....
So it would add the control to the TabPages collection if it was a TabPage, and use the regular routine otherwise.
(I'm now using 'tc.Controls.Add(tab)' again instead of 'tc.tabCtrl.TabPages.Add')
But, I don't think the designer even gets that far because it is telling me I cannot add TabPages to my usercontrol, because only TabControls can accept TabPages... How can I make my usercontrol understand that it is a TabControl (without Inheriting from a TabControl?)
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Sep 25, 2011
I just discovered the joys of UserControl's and I was wondering if it is possible to populate the usercontrol with data from a database in the UserControl's Form.Load event instead of the form the userControl is placed on. I feel it would make using the control a lot easier if it just populated itself without anymore code.I tried it with a ListView but it gave me a bunch of errors, so I didn't know if it had to be done a certain way or if it was just one of those things that doesn't work no matter what.
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Jan 31, 2011
I have MainLayout.master that has UC_Menu.ascx on it. I have a page named Customer.aspx that uses MainLayout.master. Customer.aspx also contains a UserControl named UC_Details.ascx.How can I have UC_Menu.ascx call a function that is in UC_Details.ascx with this scenario?
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Apr 25, 2010
I just downloaded VB.NET Express 2010 and I am trying to make a user control.I start out by makeing a new project then to add a usercontrol I goto Project->Add New Item Then I Add a usercontrol.But I cannot see my usercontrol on the toolbar like you used to in VB6, I even tryed draging the control to the toolbox but it still it will not shows. Can someone help me cos I am sort of new to this .NET stuff.
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Jul 31, 2010
how do you control USERCONTROL button1_click event from form's button2_click event?
button 1 = hidden button on usercontrol1
button2 = visible button on form1
form1.button2 should click usercontrol.button1
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Dec 28, 2011
I'm trying to create a grid usercontrol.This means that when i press "UP" it goes to the cell above (...so on for all directions) tab goes to the right and enter goes down.Now all these keys (excluding enter) change control focus so i've got a problem using them.How can i lock focus on the control so that these keys won't change it and so that i can use these keys for other things?
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Jan 28, 2011
i've just completed my UserControl and i'm wondering is their a way i can make it so that when i include in my distribution package that the user cannot just open up Visual Basic and start using my control.Is there away to make it say something along the lines of "You are not authorized to use this control!"
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Jan 15, 2011
i'm an old VB6 programmer that has just starting dabbling in VB.NET 2010 and my first project is a Usercontrol Button project and i'm running into some trouble with refreshing the usercontrol on events.
For example when you mousedown on the usercontrol i want it to act as if the button is being pressed in, to do this i make the caption move 2 pixels down and to the left. And then reverse this when the usercontrol mouseup is triggered.I think my code is correct but i'm not 100% sure what i'm doing with me.refresh and the usercontrol_paint events.
[Code]...
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Jan 15, 2012
A form's key events will fire when you press a key. Place a control on that form and it won't happen any more because that control has focus. There are exceptions to this however as you will see if you place just a h or v scrollbar on the form. The key event will fire because the scrollbars can't receive focus as is demonstrated by the following
Private Sub ScrollBar1_GotFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles VScrollBar1.GotFocus
Debug.Print("Scroll GF")
End Sub
[code]....
So I've made my own special scrollbar usercontrol and i can't figure out how to have it leave the key events alone. I'm pretty sure that the problem is that my usercontrol can receive focus at the moment.
I found that the way of doing this is "SetStyle(Windows.Forms.ControlStyles.Selectable, False)". I put that in the new event of my usercontrol and now it looks like this:
Public Sub New()
' This call is required by the designer.
InitializeComponent()
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Jun 12, 2011
I have a Windows Form frmMain() holding seven more-or-less unrelated UserControls, ucFlopsy", "ucMopsy", "ucCottontail", etc...I say "more-or-less" because each of the seven UC has three similar public read/write properties:
IsLocked (a boolean indicating if the following two properties are "Locked")
IsLockedID (if IsLocked=True then IsLockedID is an integer)
IsLockedName (if IsLocked=True then IsLockedName is a string)
[code].....
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May 4, 2012
I'm adding labels at runtime to my form with a tag. Let's say I have 3 labels with the tags, "1", "2" and "3". I'm adding the tags by counting the labels + 1. When I remove a label with tag "2" from the form there are only 2 left. When I add a new label it will add a new tag "3", but that one already exist. So my "solution" isn't a very good one Although tag "2" is free, I want to give it "4". Any thoughts on how to code this properly?
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Jul 11, 2011
I have a Windows Form that contains a custom control container as a UserControl. For the sake of this question, this custom control container is called Dashboard. This container called Dashboard contains numerous other controls depending on their permissions. I need to raise events that are contained on these controls through the Dashboard control and over to the Windows Form.
How can I bubble up the event? I'm using VB.NET for this project, but can convert C# into VB.NET.Also, to complicate matters, the main Windows Form is a VB6 project. So, I'm using the InteropFormsToolkit to accomplish this.
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Jan 19, 2011
I have two UserControls on a MasterPage. DataEntryUC contains several TextBoxes and DropDownList. NavSaveUC contains navigation buttons. When the user clicks on a navigation button, I will be saving the data entered into DataEntryUC from the NavSaveUC UserControl.
I have a couple of tables in my DB that contain stored procedure names, control names, control types, SqlDbTypes, etc.... that correlate with DataEntryUC.
How do I reference a text box that is on DataEntryUC from NavSaveUC?
I have been working on the following code from NavSaveUC with no luck.
Dim MyControlName = "txtFirstName"
Dim MyControlType = "TextBox"
Dim MyStringValue as String
[Code]....
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Mar 22, 2012
I have a usercontrol that has a main form and calls another form within the usercontrol to get some data from a database that allows the user to select some items from a CheckedListBox control on the sub form. I want to pass the selected items from the CheckedListBox back to the main form and display the results there. I have a public property called DBList of type List(of String) on the main user control. If I create a reference to the usercontrol form the second form within the usercontrol I get a new instance of a user control. All I want to do is set the property on the usercontrol and close the secondary form. How do I reference the usercontrol from the form within the usercontrol?
Code in UserControl:
Public Property DBItems() As List(Of String)
Get
Return DBItems
[Code]....
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Feb 18, 2011
When i use my UserControl in a project my Mouse Enter & Leave events aren't firing, i assume i fix this with a raiseevents in my usercontrol. However when i try to do this it says something about "cannot raise base event from derived class".
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Jan 23, 2011
Hey guys i've finished designing my UserControl (Button) for my project. However i seem to have an issue when i try to add it to a form, I get an error saying CovButton.CovButton is not defined.
Also if you have the time could you have a look over the source and just give your opinion on it? I think my drawing methods are pretty b-grade as it seems to freeze up a bit when you add an image to the usercontrol.
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Feb 18, 2012
I have a main form that has a dynamically generated treeview and also a panel control. Depending on the selection made within the treeview the panel docks 1 of three diffrent usercontrols which are full sub forms(done for ease of modifing design of sub form rather than layering panels on top of panels).Upon button click withing usercontrol i wish to trigger event within main form.For example delete button wich then triggers to remove current selected node from treeview. code for 1 of three diffrent user controls
Dim ctrlQ As New QuoteUC(TrViewQuotation.SelectedNode)
PnlSubFormDock1.Controls.Add(ctrlQ)
Code for delete button for which i need to raise event.
If MsgBox("Are you sure you wish to delete this customer ?", vbYesNo, "Delete Record") = vbYes Then
Deletecustomer(n)
End If
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Jan 22, 2011
I have quite a few GroupBoxes and a large number of controls in each. The GroupBox control does not have a changable border color however I found this code on the internet.
Public Class myGroupBox
Inherits GroupBox
Private _borderColor As Color
[code]....
But to add the border to a GroupBox I must put the myGroupBox control in place of each existing GroupBox.Essentially, I there an easy way to give my existing GroupBoxes a border as redesigning my form with the new GroupBoxes is out of the question?
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May 11, 2011
I want to add a serial, so if I want to use my program, I need to enter a serial. Now I already did that, by doing this:
If TextBox1.Text = "Serial2" Then
Form1.Show()
Now, I want to make, Serial2 to only work with one program. So for example, if I give my program to two friends, then I will give them Serial2, I want it to work for one friend only.
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Mar 8, 2012
In my Installer project I just added my OracleDataAccess.dll to the "Global Assembly ache Folder" folder in the "File System on Target Machine" But when I install my project it doesn't install the OracleDataAccess.dll on the target machine'sC:WindowsAssembly.
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Oct 25, 2011
i added an exe as reference to another program
Dim oSql As New SqlConnect.oConnect oSql.Show()i need to pass back some variables to the calling program once oSql is closed
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Sep 28, 2010
I've been researching this all day, it say you must add a record to the datatable if you want to add a new row. This is my code.
Private Sub TagsdetailBindingSource_AddingNew(ByVal sender As Object, ByVal e As System.ComponentModel.AddingNewEventArgs) Handles TagsdetailBindingSource.AddingNew
'Me.TagsdetailBindingSource.CancelEdit()
[code]....
But this code add two rows, the first row has the default data that I entered. The second row doesn't.
I think this is because it add a new row because the "AddingNew" was called. I can't find a way to cancel this "AddingNew". Maybe this code should go somewhere else.
I want the user to be able to use the "Add" button. I just want to insert some default data and then add the row to the grid so they can add another row without having to enter any data.
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