FilterDemoFramework.FilterView.CreateFrequencyLabelsAndLines C# (CSharp) Method

		void CreateFrequencyLabelsAndLines ()
		{
			float value;
			bool firstK = true;
			var scale = Layer.ContentsScale;

			for (int index = 0; index <= gridLineCount; index++) {
				value = GetValue ((float)index);

				var labelLayer = new CATextLayer {
					ForegroundColor = UIColor.FromWhiteAlpha (0.1f, 1f).CGColor,
					FontSize = 14,
					AlignmentMode = CATextLayer.AlignmentCenter,
					ContentsScale = scale,
					AnchorPoint = CGPoint.Empty
				};
				labelLayer.SetFont (UIFont.SystemFontOfSize (14).Name);

				frequencyLabels.Add (labelLayer);

				if (index > 0 && index < gridLineCount) {
					var lineLayer = new CALayer {
						BackgroundColor = UIColor.FromWhiteAlpha (0.8f, 1f).CGColor
					};
					freqLines.Add (lineLayer);
					graphLayer.AddSublayer (lineLayer);
					var s = GetString (value);

					if (value >= 1000 && firstK) {
						s += "K";
						firstK = false;
					}

					labelLayer.String = s;
				} else if (index == 0)
					labelLayer.String = string.Format ("{0} Hz", GetString (value));
				else
					labelLayer.String = string.Format ("{0} K", GetString (DefaultMaxHertz));

				containerLayer.AddSublayer (labelLayer);
			}
		}