EnableControls()
{
AssertValid();
cbxEdgeBezierDisplacementFactor.Enabled =
radEdgeCurveStyleBezier.Checked;
cbxEdgeBundlerStraightening.Enabled =
radEdgeCurveStyleCurveThroughIntermediatePoints.Checked;
nudVertexImageSize.Enabled = radUseSpecifiedVertexImageSize.Checked;
EnableControls(radVertexEffectOuterGlow.Checked,
lblVertexRelativeOuterGlowSize, nudVertexRelativeOuterGlowSize);
}