HaveSameValue – Check whether all the input controls have the same property value

' Return True if all the controls in the input array have the same value for ' the specified property' Note: requires the GetField function'' Example:'   Debug.WriteLine(HaveSameValue("Text", TextBox1, Button1, Button2))'   Debug.WriteLine(HaveSameValue("ForeColor", Button1, Button2))'   Button1.ForeColor = Color.Yellow'   Debug.WriteLine(HaveSameValue("ForeColor", Button1, Button2))Function HaveSameValue(ByVal propertyName As String, ByVal ParamArray objs() As _    Object) As Boolean    ' return True if there is 0 or 1 object in the input array    If objs.Length = 0 OrElse objs.Length = 1 Then Return True    ' get the value of the first object in the array, that will be used as the     ' value to compare against    Dim val1 As Object = GetField(objs(0), propertyName, Nothing)    ' compare val1 with the property value of all the other objects,    '  and return False if the 2 values do not match    Dim i As Integer    For i = 1 To objs.Length - 1        Dim val2 As Object = GetField(objs(i), propertyName, Nothing)        If val2.Equals(val1) = False Then Return False    Next    ' if we get to this point, all the objects have the same value for the     ' specified property    Return TrueEnd Function

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