SIL.FieldWorks.SharpViews.AssembledStyles.WithFontBold C# (CSharp) Method

		public AssembledStyles WithFontBold(FwTextToggleVal ttv)
		{
			int val = (int)ttv;
			if (ttv == FwTextToggleVal.kttvInvert)
				val = m_chrp.ttvBold == (int)FwTextToggleVal.kttvForceOn ? (int)FwTextToggleVal.kttvOff : (int)FwTextToggleVal.kttvForceOn;
			var weight = (val == (int) FwTextToggleVal.kttvForceOn) ? (int)VwFontWeight.kvfwBold : (int)VwFontWeight.kvfwNormal;
			return m_styleCache.GetDerivedStyle(this, (int)FwTextPropType.ktptBold, weight,
												(newStyles, w) => newStyles.FontWeight = weight);
		}