Sub MainForm_MouseClicked (EventData As MouseEvent)
Dim frm2 As Form
frm2.Initialize("frm2", 500, 500)
frm2.Show
SetFormInCenter(MainForm, frm2)
End Sub
Sub SetFormInCenter(Parent As Form, Form As Form)
Form.WindowTop = Parent.WindowTop + (Parent.WindowHeight - Form.WindowHeight) / 2
Form.WindowLeft = Parent.WindowLeft + (Parent.WindowWidth - Form.WindowWidth) / 2
End Sub