Add 3 forms to a project, 2 labels on each form, and a command button on form1.
Code:
Private Sub Form_Load()
' Display all forms
Load Form2
Form2.Show
Load Form3
Form3.Show
End Sub
Public Sub Command1_Click()
Dim f As Form, c As Control
' Get Form Object from Collection of Forms
For Each f In Forms
' Change Backcolor as form to a Random Color
f.BackColor = RGB(Rnd * 255, Rnd * 255, Rnd * 255)
' Will loop through every kind of control currently on form
For Each c In f.Controls
' Determine is current control is a Label
If TypeOf c Is Label Then
'Change BackColor property to a Random Color
c.BackColor = RGB(Rnd * 255, Rnd * 255, Rnd * 255)
End If
Next c
Next f
End Sub
Good Luck