ZooFlow: Add wait form for frmIndex, move init logic of frmIndex into FormShown

GUIs.ZooFlow/frmWaitForm.vb

@@ -0,0 +1,24 @@
+Public Class frmWaitForm
+    Sub New
+        InitializeComponent()
+        Me.progressPanel1.AutoHeight = True
+    End Sub
+
+    Public Overrides Sub SetCaption(ByVal caption As String)
+        MyBase.SetCaption(caption)
+        Me.progressPanel1.Caption = caption
+    End Sub
+
+    Public Overrides Sub SetDescription(ByVal description As String)
+        MyBase.SetDescription(description)
+        Me.progressPanel1.Description = description
+    End Sub
+
+    Public Overrides Sub ProcessCommand(ByVal cmd As System.Enum, ByVal arg As Object)
+        MyBase.ProcessCommand(cmd, arg)
+    End Sub
+
+    Public Enum WaitFormCommand
+        SomeCommandId
+    End Enum
+End Class