/// <summary>
                    /// 获取长度单位字符
                    /// </summary>
                    /// <param name="mapUnit">长度单位类型</param>
                    /// <returns>长度单位字符</returns>
                    public string GetLengthUnitString(EarthView.World.Spatial.Display.LENGTHUNITTYPE lengthUnit)
                    {
                        IntPtr __ptr = EarthView_World_Spatial_Display_CSpatialUnitConverter_getLengthUnitString_EVString_LengthUnitType(this.NativeObject, lengthUnit);

                        string ret = Marshal.PtrToStringAnsi(__ptr);

                        ClassFactory.FreeString(ref __ptr);
                        return(ret);
                    }
                    /// <summary>
                    /// 千米转化为其他长度单位
                    /// </summary>
                    /// <param name="kiloValuve ">单位为千米的值</param>
                    /// <param name="uintType ">需要转化成的长度单位类型</param>
                    /// <returns>转化后的单位对应的值</returns>
                    public double KmToOtherLengthUnit(double kiloValuve, EarthView.World.Spatial.Display.LENGTHUNITTYPE uintType)
                    {
                        double ret = EarthView_World_Spatial_Display_CSpatialUnitConverter_kmToOtherLengthUnit_ev_real64_ev_real64_LengthUnitType(this.NativeObject, kiloValuve, uintType);

                        return(ret);
                    }
 private static extern IntPtr EarthView_World_Spatial_Display_CSpatialUnitConverter_getLengthUnitString_EVString_LengthUnitType(IntPtr pNativeObject, EarthView.World.Spatial.Display.LENGTHUNITTYPE lengthUnit);
 private static extern double EarthView_World_Spatial_Display_CSpatialUnitConverter_kmToOtherLengthUnit_ev_real64_ev_real64_LengthUnitType(IntPtr pNativeObject, double kiloValuve, EarthView.World.Spatial.Display.LENGTHUNITTYPE uintType);