First create solution

Nuvolar.Module/Controllers/LongOperationController.Designer.vb

@@ -0,0 +1,32 @@
+Partial MustInherit Class LongOperationController
+
+    <System.Diagnostics.DebuggerNonUserCode()> _
+    Public Sub New(ByVal Container As System.ComponentModel.IContainer)
+        MyClass.New()
+
+        'Required for Windows.Forms Class Composition Designer support
+        Container.Add(Me)
+
+    End Sub
+
+    'Component overrides dispose to clean up the component list.
+    <System.Diagnostics.DebuggerNonUserCode()> _
+    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
+        If disposing AndAlso components IsNot Nothing Then
+            components.Dispose()
+        End If
+        MyBase.Dispose(disposing)
+    End Sub
+
+    'Required by the Component Designer
+    Private components As System.ComponentModel.IContainer
+
+    'NOTE: The following procedure is required by the Component Designer
+    'It can be modified using the Component Designer.
+    'Do not modify it using the code editor.
+    <System.Diagnostics.DebuggerStepThrough()> _
+    Private Sub InitializeComponent()
+        components = New System.ComponentModel.Container()
+    End Sub
+
+End Class