''' <summary>
''' Resizes the provider to the specified height and width.
''' </summary>
''' <param name="height">The specified height.</param>
''' <param name="width">The specified width.</param>
Private Sub Resize(ByVal width As Double, ByVal height As Double) Implements ITransformProvider.Resize
    If Not(CType(Me, ITransformProvider)).CanResize Then
        Throw New InvalidOperationException("Operation cannot be performed.")
    End If

    If width <= 0 Or height <= 0 Then
        Throw New InvalidOperationException("Operation cannot be performed.")
    End If

    Dim widthInt As Integer = CInt(width)
    Dim heightInt As Integer = CInt(height)

    ' Resize should never be allowed to place a control outside the 
    ' bounds of its container; the control should always be accessible 
    ' using the keyboard or mouse.
    ' Use the bounds of the parent window to limit the placement 
    ' of the custom control.
    Dim MaxSize As New Size(Me.customControl.formWidth - 20, Me.customControl.formHeight - 20)
    Dim MinSize As New Size(10, 10)

    If widthInt > MaxSize.Width Then
        widthInt = MaxSize.Width
    End If
    If heightInt > MaxSize.Height Then
        heightInt = MaxSize.Height
    End If
    If widthInt < MinSize.Width Then
        widthInt = MinSize.Width
    End If
    If heightInt < MinSize.Height Then
        heightInt = MinSize.Height
    End If

    ' Invoke control method on separate thread to avoid clashing with UI.
    ' Use anonymous method for simplicity.
    Me.customControl.Invoke(New MethodInvoker(Sub() Me.customControl.Size = New Size(widthInt, heightInt)))
End Sub