Native.cs

using System;
using System.Runtime.InteropServices;

namespace CSSLayoutApp
{
    public static class Native
    {
        private const string DllName = "CSSLayout.dll";

        [DllImport(DllName)]
        public static extern IntPtr CSSNodeNew();

        [DllImport(DllName)]
        public static extern void CSSNodeInit(IntPtr cssNode);

        [DllImport(DllName)]
        public static extern void CSSNodeFree(IntPtr cssNode);

        [DllImport(DllName)]
        public static extern void CSSNodeInsertChild(IntPtr node, IntPtr child, uint index);

        [DllImport(DllName)]
        public static extern void CSSNodeRemoveChild(IntPtr node, IntPtr child);

        [DllImport(DllName)]
        public static extern IntPtr CSSNodeGetChild(IntPtr node, uint index);

        [DllImport(DllName)]
        public static extern uint CSSNodeChildCount(IntPtr node);

        [DllImport(DllName)]
        public static extern void CSSNodeCalculateLayout(IntPtr node,
                            float availableWidth,
                            float availableHeight,
                            CSSDirection parentDirection);

        [DllImport(DllName)]
        public static extern void CSSNodeMarkDirty(IntPtr node);

        [DllImport(DllName)]
        public static extern bool CSSNodeIsDirty(IntPtr node);

        [DllImport(DllName)]
        public static extern void CSSNodePrint(IntPtr node, CSSPrintOptions options);

        [DllImport(DllName)]
        public static extern bool CSSValueIsUndefined(float value);

        #region CSSNode Properties

        [DllImport(DllName)]
        public static extern void CSSNodeSetContext(IntPtr node, IntPtr context);

        [DllImport(DllName)]
        public static extern IntPtr CSSNodeGetContext(IntPtr node);

        [DllImport(DllName)]
        public static extern void CSSNodeSetMeasureFunc(IntPtr node, CSSMeasureFunc measureFunc);

        [DllImport(DllName)]
        public static extern CSSMeasureFunc CSSNodeGetMeasureFunc(IntPtr node);

        [DllImport(DllName)]
        public static extern void CSSNodeSetPrintFunc(IntPtr node, CSSPrintFunc printFunc);

        [DllImport(DllName)]
        public static extern CSSPrintFunc CSSNodeGePrintFunc(IntPtr node);

        #endregion
        /*
CSS_NODE_PROPERTY(void *, Context, context);
CSS_NODE_PROPERTY(CSSMeasureFunc, MeasureFunc, measureFunc);
CSS_NODE_PROPERTY(CSSPrintFunc, PrintFunc, printFunc);
CSS_NODE_PROPERTY(bool, IsTextnode, isTextNode);
CSS_NODE_PROPERTY(bool, HasNewLayout, hasNewLayout);
      

        */
    }
}