[2005] - User Controls - Prevent Them From Showing Up In The Toolbox
Feb 1, 2009
I have created a series of custom user controls for a wizard interface that I am making. Each user control represents one step in the wizard and really shouldn't be used outside of the wizard. The thing that is bugging me is that each wizard step user control shows up in the toolbox of components to insert into a form.
Is it possible to hide a user control from the toolbox? Better yet is it possible to hide a user control from other classes not in the same namespace of an assembly? Is this a good approach or should I think of a different approach?
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Sep 12, 2011
I have a solution with about 5 projects, the main (startup) project is a windows forms project while the others are control libraries that contain some custom controls. The main winforms project however also contains some custom controls.
Recently, the controls in the main winforms project have stopped appearing in my toolbox. The controls from the other control library projects appear just fine, but none of the controls in my main project will show...
Some of the projects are VB, some are C#.
I have tried everything I know to fix it:Delete bin/debug folders and restart
Build, build, build, build, and build Target the same .NET Framework version and CPU platform in all projects Build again Nothing works...
All projects target .NET Framework 4.0 and compile for the x86 platform (since I am using Access db). All projects build successfully, no errors. I can run the solution just fine. I can even declare and add the controls in code and they work just fine. They just don't show up in the toolbox so I can't drag them to my form and I have to dig into the designer code everytime, which is really annoying!
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Nov 21, 2005
My project, which has 2 user controls in it- does not display the user controls in the toolbox. Has anyone else had this problem, and/or know of a solution?I have tried adding other user controls to the project, they do not appear in the toolbox.I have tried creating a new project, and it's user controls DO show up in the toolbox. If I add the user controls from the first project to the new project -THEY show up in the toolbox for that project.So it must be something tweaked out with the project right?
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Sep 23, 2010
This illustration shows how I'm trying to get 2 vb.net user controls into the toolbox to use on a c# form. In toolbox Select Items I see the items checked but clicking OK or Reset doesn't make them appear in the toolbox. How do I do that? somehow the controls appeared in the Toolbox, but they're greyed out and unavailable.
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May 26, 2009
I have a GUI with a few button on it and each button start an application. I want to prevent the application to start twice if the user double click on the button. How can I do that?
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Jun 12, 2009
HI!, i'm using VB.NET 2005. I want to use OleDbConnection in my .net application but it is not showing in the 'Data' section of the 'toolbox'. is there any way to import it to the toolbox.
NOTE: (Also OleDbDataAdapter, SqlConnection,SqlDataAdapter, etc are missing in toolbox)
Waiting for reply newbee
Vivekanand
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Aug 4, 2011
how to prevent a popup toolbox window (Form) from stealing the parent Form's focus?I've been told to override CreateParams and use WS_EX_NOACTIVATE (0x08000000) but that does not seem to work (see the code segment shown below). I'm using Show() and not ShowDialog().
Protected Overrides ReadOnly Property CreateParams() As System.Windows.Forms.CreateParams
Get
Dim cp As CreateParams = MyBase.CreateParams
[code]....
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Jun 14, 2009
For example if I wanted my program to divide 13 by 4 how can I make it appear as just 3 and not show the remainder?
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Jun 18, 2010
I want to stop a context menu from showing if nothing is selected.
If lvCopiedText.SelectedItem Is Nothing Then
cmsText.Close()
End If
That doesn't work for some reason, i think its because that happens before the menu actually appears.
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Oct 21, 2009
I've got an app that sometimes stores some decently small numbers, such as 0.000023425. These numbers get loaded up in TextBox controls for users to edit.
Dim number As Double = 0.000023425
someTextBox.Text = number.ToString() ' Shows "2.3425E-05"
As mentioned, the text that shows is 2.3425E-05, which isn't exactly intuitive for the user to see, plus I have numbers even more precise (out to 19 decimal places). I would like the output to be fixed point. Of course I could easily and cleanly do:
number.ToString("F20") ' Shows "0.00002342500000000000"
But then there's an annoying number of zeros left over. So, to fix that, I could do:
number.ToString("#,##0.####################") ' Shows "0.000023425"
Which is what I want, but is there any better way to do it than to have that giant ugly format string there? So, ok, it's not that ugly, but surely there's a different way, right? My goal is to show the raw value being stored in the DB in a friendly way, and I would rather not have to force a format on the number at all.I found that changing the underlying datatype to Decimal solves the issue.
Dim number As Decimal = 0.000023425
someTextBox.Text = number.ToString() ' Shows "0.000023425" instead of "2.3425E-05"
So it sounds like Doubles aren't precise enough to be displayed normally?
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Oct 12, 2009
I have flat buttons with a background image (.png, slightly rounded border appearance) and no border. When I use the tab key to move between items, a box shows up around the button. How do I prevent this?Also, when I use the tab key on any part of the form, and click on a button, the box appears.What I want is on the left, what happens with tab key is on the right[URL]..
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May 25, 2010
How can I prevent my Vb program from showing up on the task manager and in the process tab in task manager?
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Aug 2, 2010
I have a bunch of custom controls I've made - and these are by default added automatically to the Toolbox. A nice feature. However, I want to hide certain controls from the toolbox. Is there a way to do this?
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Mar 14, 2012
I added the OLE controls to my toolbox (via: "Choose Items")
All of the OLE controls are disabled.
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Aug 26, 2010
is it possible to group similar controls in a form so instead of having to change every control's property I could just change the property for the entire group?
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Aug 25, 2009
I have been trying to add an SQLDataAdapter control onto a webform in Visual Basic 2008 professional and Express editions. This control and others remain greyed out even when selected; they can only be seen when 'Show All' is selected in the toolbox. Is it that these controls are not available in the type of form?
I've checked various forums but have not seen a clear answer. I've tried some of the solutions proposed but none has worked. I've also reinstalled the application; then uninstalled, rebooted, reinstalled, but to no avail.
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Dec 5, 2011
I'm creating a control. But I don't understand how can I put it in my toolbox?
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Jun 23, 2010
I got a third party control from a website after googling.Inorder to use that control, I simply right-clicked the Toolbox and selected "Choose Item". Then Browse to that dll file location and selected that file.Now it is added to the toolbox. But do I have to register the dll now ? Or, will it work when I distribute my app ?
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Mar 12, 2008
I am running Visual Basic 2008 express edition. My controls toolbox is empty. There are also no properties for the form controls on my project. Just blank. I have removed the .net framework v2.0. I had the .net framework v3.5 installed at the time, and thought I didn't need the older version (v2.0). Do I need v.2.0 for the tools? If so, where can I get a copy? What's the filename called?
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Jun 18, 2009
I created some custom controls which I use quite often and I thought if I add them once to my ToolBox they just will be there next time I start up VS2008; however, that does not seem to be the case! Each time I start VS2008 I have to re-add that controls (which is quite annoying!). Is there a trick / way of having them there permanently?
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Apr 26, 2010
I am trying to add a dll that contains some custom 3rd party conrtols and some in house user controls and am getting the following error -
"The Assembly "MyASsembly.dll" could not be loaded. Check that any dependencies the file requires are installed"
I am using Visual Studio 2003 and the 3rd part controls are C1.
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Feb 21, 2010
where i can download some free toolbox controls for Windows Form for .NET?
Ive had a look around and im a student and cant afford the typical 1000 dollar lisences?
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Sep 3, 2011
Problem In ToolBox Window, Look At This Picture The Icons of controls Is Inverse
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Nov 16, 2009
i wanted a Guide or How to to use the controls in the toolbox of Visual Studio 2008 with sample codes.
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Feb 13, 2010
I am trying to create a custom control and put three of them on the main form of the project. I have the control made, but I can't figure out how to add it to the toolbox.
Note: I am using Visual Studio 2010 EXPRESS EDITION. I don't know if this matters for something like this, but I thought I should probably mention it.
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Apr 13, 2009
I know how to get a user control into the toolbox, but is there a way to get it to be part of vb.NET's startup as a permanent control? In other words, if I start vb.NET and begin a new project, it would be nice that the custom control is already available without having to load its dll each time I start a new project.
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Aug 2, 2010
I have to develop a software able to perform some scientific calculations in the field mechanical engineer; to be more precise, this software must be able to predict the torsional vibration behaviour of crankhsfts and drive-trains.To build my model I need a library of pre-configured elements (organised in a toolbox), that I can drag&drop in my working area and then link together properly to build the model itself.Also the load cases and the input data should be organised in a toolbox as pre-configured elements that I can chose and fill-in accordingly.Here my questions:
1. how can I develop such a toolbox?
2. how can I develop my working area?
Many commercial software are organised like that but I have no idea how to do it.
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Feb 21, 2010
I am building an application in VS2008 (VB.NET) that contains several user controls. When I was developing under VS2005, all the components in my application would load into the toolbox so I could access them during design.
Since upgrading to VS2008, however, those application-based components do not load, and I cannot access the user controls I have built.
1. Exit Visual Studio
2. Navigate to %USERPROFILE%AppDataLocalMicrosoftVisualStudio9.0
3. Delete the TBD files found there (these are hidden by default)
4. Re-start Visual Studio and open your WPF application - the toolbox will now be reinitialized
and that worked for one session, but it did not get preserved -- when I shut down and came back into VB.NET, the application-based controls no longer loaded.
Is there some setting in VS2008 that I am missing? Or is there another step to getting the app-based controls to reappear each time I load the development files?
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May 29, 2009
I can't seem to figure this out. I basically am trying to write a class, not a usercontrol, that can show up in the ToolBox. I want it to act similar to how a ContextMenuStrip or BindingSource does, in that there is no UI when you throw in on the Form, it goes down to that bottom part (name?).
1) What do you call those types of components?
2) Why won't this test class that I wrote do the same thing?
vb.net Imports System.Windows.Forms
Imports System.Runtime.InteropServices
<ClassInterfaceAttribute(ClassInterfaceType.AutoDispatch), ComVisibleAttribute(True), _
System.ComponentModel.ToolboxItemAttribute(True), System.ComponentModel.DesignTimeVisible(True)> _
Public Class FilterMenuStrip
[Code]...
If I try to add it to the ToolBox, I get a "There are no components in '<The DLL>' that can be placed on the toolbox."
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May 2, 2012
I am working on an application using a form with textbox controls as a menu. Pressing enter while the textbox has focus invokes another form and hides the menu form. The reason for this is a requirement that the mouse must not function at all in thisapplication. Not my idea but it is my job to make it so.The problem I could use some. When the user presses enter on the textbox on the menu form the keypress event is used to invoke the selected data entry form and the menu form is hidden. When the data entry form opens the cursor is supposedto be in the first field on the form but the first controls keyup event triggers and the enter keypress from the menu form is still active so the cursor moves to the second control on the form. Having the enter key move to the next field like tab does is also a requirement.
In the keypress of the textbox on the menu form e.handled is set to True but that does not prevent the passthrough. I realize there are many ways to force this to work as I intend by putting flags and so on in the data entry form but I have many to deal with and would like to find a solution I can apply on the menu form rather then adding code to every data entry form to compensate for .NET deficiencies.
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