iOS & macOS Charting Documentation - SciChart iOS & macOS Charts SDK v4.x SciChart > ISCIAxisGridLinesRenderer Protocol ISCIAxisGridLinesRenderer @protocol ISCIAxisGridLinesRenderer <ISCIAxisGridLinesDrawable, ISCIAxisRendererCore> Specifies interface for renderer which is responsible for drawing of axis grid lines. -onLayoutWithAssetManager:viewportSize: Performs layout of grid lines renderer in bounds specified by viewportSize. Declaration Objective-C - (void)onLayoutWithAssetManager:(nonnull id<ISCIAssetManager2D>)assetManager viewportSize:(CGSize)viewportSize; Swift func onLayout(with assetManager: ISCIAssetManager2D, viewportSize: CGSize) Parameters assetManager ISCIAssetManager2D instance which manages assets for current ISCIRenderSurface instance. viewportSize Viewport size in pixels where grid lines should be drawn. © 2020 SciChart. All rights reserved. (Last updated: 2020-09-29) Generated by jazzy ♪♫ v0.12.0, a Realm project.