Assembly ... doesn't contain any UserControl types

Posted on 2011-05-11
Last Modified: 2012-05-11
I can't even launch my program anymore. I have this error when I try to run the program:

System.ArgumentException was unhandled
  Message="Assembly 'C:\\Documents and Settings\\..........\my.dll  doesn't contain any UserControl types."
       at Microsoft.VisualStudio.Tools.UserControlTestContainer.UserControlTestContainer_Load(Object sender, EventArgs e)
       at System.Windows.Forms.Form.OnLoad(EventArgs e)
       at System.Windows.Forms.Form.OnCreateControl()
       at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
       at System.Windows.Forms.Control.CreateControl()
       at System.Windows.Forms.Control.WmShowWindow(Message& m)
       at System.Windows.Forms.Control.WndProc(Message& m)
       at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
       at System.Windows.Forms.ContainerControl.WndProc(Message& m)
       at System.Windows.Forms.Form.WmShowWindow(Message& m)
       at System.Windows.Forms.Form.WndProc(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
       at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
       at System.Windows.Forms.SafeNativeMethods.ShowWindow(HandleRef hWnd, Int32 nCmdShow)
       at System.Windows.Forms.Control.SetVisibleCore(Boolean value)
       at System.Windows.Forms.Form.SetVisibleCore(Boolean value)
       at System.Windows.Forms.Control.set_Visible(Boolean value)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.Run(Form mainForm)
       at Microsoft.VisualStudio.Tools.UserControlTestContainer.Main(String[] args)

Any help will appreciated...Thanks
Question by:Jeeck
    1 Comment
    LVL 35

    Accepted Solution

    Delete the shadow copy at:'C:\\Documents and Settings\\..........\my.dll
    Rebuild your assembly and program using it.

    your program is reading the shadow copy not the assembly itself.

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