assets/samples/Samples/LevelsProperty/CS/Unit.cs

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using System;
using System.Collections.Generic;
using System.Text;
using Autodesk.Revit;
using Autodesk.Revit.DB;

namespace Revit.SDK.Samples.LevelsProperty.CS
{
    /// <summary>
    /// Provides static functions to convert unit
    /// </summary>
    static class Unit
    {
        #region Methods
        /// <summary>
        /// Convert the value get from RevitAPI to the value indicated by ForgeTypeId
        /// </summary>
        /// <param name="to">ForgeTypeId indicates unit of target value</param>
        /// <param name="value">value get from RevitAPI</param>
        /// <returns>Target value</returns>
        public static double CovertFromAPI(ForgeTypeId to, double value)
        {
            return UnitUtils.ConvertFromInternalUnits(value, to);
        }

        /// <summary>
        /// Convert a value indicated by ForgeTypeId to the value used by RevitAPI
        /// </summary>
        /// <param name="value">Value to be converted</param>
        /// <param name="from">ForgeTypeId indicates the unit of the value to be converted</param>
        /// <returns>Target value</returns>
        public static double CovertToAPI(double value, ForgeTypeId from)
        {
            return UnitUtils.ConvertToInternalUnits(value, from);
        }
        #endregion
    }
}