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Asked: 2026-05-10T20:29:19+00:00

In a Visual Basic project, I created a homemade TabControl in order to fix

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In a Visual Basic project, I created a homemade TabControl in order to fix a visual bug. The control works properly, however whenever I modify the form using my tab, Visual Studio adds MyProject in front of the control in its declaration:

Me.tabMenu = New MyProject.MyClass 'Gives a BC30002 compile error

If I remove the MyProject., the project compiles properly.

MyClass is in a separate file MyClass.vb and looks mostly like this:

Public Class MyClass Inherits System.Windows.Forms.TabControl  Public Sub New()     InitializeComponent()     MyBase.DrawMode = System.Windows.Forms.TabDrawMode.OwnerDrawFixed End Sub  Protected Overrides Sub OnDrawItem(ByVal e As System.Windows.Forms.DrawItemEventArgs)     //OnDrawItem code End Sub  Private Sub My_DrawItem(ByVal sender As Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles Me.DrawItem     //My_DrawItem code End Sub End Class

I tried removing the file and adding it again, copy and pasting the class inside MyForm.designer.vb, adding MyProject. to the class name, but nothing stopped Visual Studio from adding this so-hated MyProject.

Edit regarding this answer:

I understand the thing about the namespace, however my problem is mostly that the compiler does not recognize the class with the project name appended but still adds it everytime.

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1 Answer

  1. I’ve seen this before when you have a public module with the same name as your default namespace (project name). If that’s the case, either rename the module or the default namespace and the problem should go away,.

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