C# 插值放大图形

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/// <summary>
        /// 放大图形
        /// </summary>
        /// <param name="p_Bitmap">图形</param>
        /// <param name="p_Width">放大后的宽</param>
        /// <param name="p_Height">放大后高</param>
        /// <param name="p_ZoomType">放大类型 true为插值</param>
        /// <returns>放大后的图形</returns>
        public static Image BitmapToBlowUp(Image p_Bitmap, int p_Width, int p_Height, bool p_ZoomType)
        {
            Bitmap _ZoomBitmap = new Bitmap(p_Width, p_Height);

Graphics _Graphics = Graphics.FromImage(_ZoomBitmap);

            if (!p_ZoomType)
            {
                _Graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
                _Graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.Half;
            }

_Graphics.DrawImage(p_Bitmap, 0, 0, _ZoomBitmap.Width, _ZoomBitmap.Height);

            _Graphics.Dispose();
            return _ZoomBitmap;
        }