Android Question Click Event not fire inside dialog

Hi Erel, I really need help. My simple project contain one button and listview inside dialog. once I try to fire event click of both control but there are seem no trigger. Appreciated for advise, here is my code and sorry for my English.

Sub Globals
'These global variables will be redeclared each time the activity is created.
'These variables can only be accessed from this module.
Private btnStart As Button
Private lstTest As ListView
Private btnTest As Button
Private pnl As Panel
Private mtabhost As TabHost
End Sub

Sub Activity_Create(FirstTime As Boolean)
'Do not forget to load the layout file created with the visual designer. For example:
Activity.LoadLayout("main")
mtabhost.Initialize("")
pnl.Initialize("")
pnl.AddView(mtabhost,0%x, 0%x, 100%x, 100%y)
mtabhost.AddTab("Tab1", "page1")
mtabhost.AddTab("Tab2", "page2")
lstTest.AddSingleLine ("some text")
End Sub

Sub lstTest_ItemClick (Position As Int, Value As Object)
Msgbox ("Test click on listview","")
End Sub

Sub btnTest_Click
Msgbox ("Test","")
End Sub

Sub btnStart_Click
Dim dlg As CustomDialog2
dlg.AddView(pnl,100%x, 50%y)
dlg.Show("Manager", "OK", "", "", Null)
End Sub

Sub Activity_Resume

End Sub

Sub Activity_Pause (UserClosed As Boolean)

End Sub