You use a check box to make a "yes or no" or "on or off" choice. for example, you could use a check box to display or hide a toolbar in your application.
Sub Main
Begin Dialog CheckSample 15, 32, 149, 96, "Check Boxes"
OKButton 92,8,40,14
CancelButton 92,32,40,14
CheckBox 12,8,45,8,"CheckBox",.CheckBox1
CheckBox 12,24,45,8,"CheckBox",.CheckBox2
CheckBox 12,40,45,8,"CheckBox",.CheckBox3
CheckBox 12,56,45,8,"CheckBox",.CheckBox4
End Dialog
Dim Dlg1 As CheckSample
Button = Dialog (Dlg1)
End Sub