Home > Visual Studio > Visual Studio Designer Error User Control

Visual Studio Designer Error User Control


When i opened forms in VS 2010 (especially inherited forms) they would usually render in the designer fine. It will look in the GAC and it will look in the bin/Debug or bin/x86/Debug folder to see if can scrounge up something against which to link. If you’re unlucky, Visual Studio will already have crashed and helpfully offered to restart itself.↩[5] Then it encountered a null-reference exception, which we can only hope will actually get fixed in I have added the symbols manually under Debugging / symbols. http://itechnologysolutionsllc.com/visual-studio/visual-studio-designer-error.php

For events like ComponentChanged to be raised, you must set the value of your component's properties with the PropertyDescriptor.SetValue method. You really are flying blind which is the problem. Not the answer you're looking for? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://stackoverflow.com/questions/39648/good-way-to-debug-visual-studio-designer-errors

Debug Visual Studio Design Time

Many errors include an exact location in the following format: [Project Name] [Form Name] Line:[Line Number] Column:[Column Number]. For details, see 722f4e2d-1310-4ed5-8f33-593337ab66b4.In the Windows Forms Designer, drag a Label control from the Toolbox onto the control's design surface.Press F5 to build the project and run the UserControl Test Container. I have managed to set it up and run the second instance (there was not much to understand how to do it). Also see Walkthrough: Debugging Custom Windows Forms Controls at Design Time, Troubleshooting Control and Component Authoring.

I dont know of another way, but I really would like to know one :-) [maybe just an attribute is missing ???] Regards, Thorsten Hi Thorsten, I'm afraid that didn't Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies It will debug just like user code! For more information, see How to: Access Design-Time Services.

When you implement a glyph that covers the entire control, you are responsible for the entire appearance and behavior of your custom design experience. Please > correct the following error, then load it again: Type > Abstract". > > Here is my base class for all my UserControl : > > public class MyUserControl : I can wait for an hour, and still nothing happens. great post to read You will have to add the UserControl again though.

First go to the Form`s [Design] tab and look in the Error List window. For the complex ones, the Designer often throws various exceptions which doesn't help much, and I was wondering if there's some nice way to figure out what has gone wrong. In all likelihood, you won’t be including the designer assemblies in your third-party binaries folder for several reasons: They are not strictly required for compilation The are usually a good deal Why is this C++ code faster than assembly?

Debugging Design-time Controls

For example, you can track the functions that were called before the error occurred. check over here If your generic type derives from UserControl and you attempt to run it in Visual Studio's UserControl Test Container, you will receive the following error: Failed to create UserControl 'name' The Debug Visual Studio Design Time Player claims their wizard character knows everything (from books). How To Debug Designer In Visual Studio Open a second instance of Visual Studio, use the Tools -> Attach To Process and attach to the first Visual Studio (i.e.

The language is C#, and we're using Visual Studio 2005. weblink Choosing this action may result in unexpected behavior. share|improve this answer edited Oct 22 '15 at 12:13 Peter Mortensen 10.3k1369107 answered Mar 24 '14 at 11:32 Dr. First, do as Marc says: get rid of all compiled assemblies that Visual Studio may be using. Design Time Debug In Vb

  1. To change your settings, choose Import and Export Settings on the Tools menu.
  2. You can single-step through the property accessor just as your would any other code.When you are finished with your debugging session, you can exit by dismissing the hosted instance of Visual
  3. If your custom control designer creates a glyph with the same bounds as the body glyph, it will obscure the underlying Behavior implementation associated with the body glyph.
  4. Build servers have to compile and run tests for all configurations because there can be subtle differences.[2] “32-bit tends to be faster anyway”: the current version of the WOW (Windows-on-Windows) runtime
  5. Once you have all references to the UserControl removed from the Designer code and Commented out or removed from the form`s code you can then go to the Build menu and
  6. You will use this project to build the application that hosts the custom control.To create the projectCreate a Windows Application project called "DebuggingExample".
  7. share|improve this answer answered Sep 1 '10 at 18:38 0123456789 24.3k2192157 Thanks Alex, this is the right approach.
  8. You know you have a problem when the designer presents the following view instead of your form or user control.
  9. Then do a rebuild and maybe restart VS.

Design-Time Errors in the Windows Forms Designer .NET Framework (current version) Other Versions Visual Studio 2010 .NET Framework 3.5  This topic explains the meaning and use of the design-time error list What have you got to lose? For details, see NIB:How to: Add New Project Items. navigate here The content you requested has been removed.

You can step through the code, but Edit-and-Continue will not work. See ASP.NET Ajax CDN Terms of Use – http://www.asp.net/ajaxlibrary/CDN.ashx. ]]> Not logged inLog in...Register... The content you requested has been removed.

We appreciate your feedback.

File (C# file names) Function Form1.cs Main class file Form1.Designer.cs Designer-emitted code File (VB file names) Function Form1.vb Main class file Form1.Designer.vb Designer-emitted code In general, you do not need to Interlace strings Transposition of first matrix in crossprod in R I have found theses on a similar subject to my own, and want to use their references with my own text Designer Events Raised in an Unintended Manner If your custom designer attaches event handlers to designer events such as ComponentRemoved ActiveDesignerChanged, and SelectionChanged, you must detach your event handlers in your ABT Jul 21 '15 at 21:38 add a comment| up vote 2 down vote The answer is in Walkthrough: Debugging Custom Windows Forms Controls at Design Time (MSDN).

Designer-related types are located in the System.Design assembly. To change your settings, choose Import and Export Settings on the Tools menu. The name of the executable file is devenv.exe, and if you installed to the default location, its path is %programfiles%\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe.Click OK to close the dialog box.Right-click the DebugControlLibrary his comment is here When you expand an error category, the following additional help is displayed:Instances of this error.Help with this error.Forum posts about this error.Instances of This ErrorThe additional help list all instances of

However, the solution and all projects were referencing the version, which had not been officially installed on that workstation. Why didn’t Japan attack the West Coast of the United States during World War II? I added these then, so that all resx-files now looke like (with correct form-names of course): Form1.vb I saved and reopened the solution in VS, and everything did You must precisely specify the DesignerAttribute parameters, otherwise the design environment will not load your custom designer.

Type B originates from 'DevExpress.XtraLayout.v10.2, Version=, Culture=neutral, PublicKeyToken=b88d1754d700e49a' in the context 'Default' at location 'C:\WINDOWS\assembly\GAC_MSIL\DevExpress.XtraLayout.v10.2\\DevExpress.XtraLayout.v10.2.dll'.This will turn out to be a goose chase, however.[6] The problem does not lie in the Design-Time Error: "Cannot open a designer for the file because the class within it does not inherit from a class that can be visually designed" The file with your component or As of 2nd SEP 2010 added: Thanks for your help. It looks like Visual Studio is checking some cached location within your application settings to find referenced assemblies and their designer assemblies.[5] This is a bit strange as Visual Studio has

The process you want to debug is called XDesProc.exe . Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies Note that a new instance of Visual Studio is created. For example, controls may not appear on the design surface.  See AlsoTroubleshooting Design-Time DevelopmentTroubleshooting Control and Component AuthoringDeveloping Windows Forms Controls at Design Timecf610bf4-5fe4-471c-bce7-6a05ece07bd2 Show: Inherited Protected Print Export (0) Print

Glyphs Remain After Component Is Deleted If your custom designer creates any Adorner objects, you must delete them from the design surface when your designer goes out of scope. This is named the body glyph. My 21 yr old adult son hates me Positional Bathroom Etiquette A ring in which the two operations are equal is {0} Output Drift of an operational Integrator Identify a short

Follow us