C#編寫的藝術字類方法

代碼如下：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Text;
using System.Drawing.Drawing2D;
using System.Data;
using System.Text;
using System.Windows.Forms;

   public partial class WordArt : UserControl//這是一個藝術字的控件
    {     
        //文本屬性
        private string _text = "WordArt";
        public string Caption
        {
            get { return _text; }
            set { _text = value; }
        }
        //字體以及大小
        private Font _WordArtFont = new Font("宋體",15);
        public Font WordArtFont
        {
            get { return _WordArtFont; }
            set { _WordArtFont = value; }
        }
        //顏色
        private Color _WordArtForeColor = Color.BlueViolet;
        public Color WordArtForeColor
        {
            get { return _WordArtForeColor; }
            set { _WordArtForeColor = value; }
        }
        //陰影的顏色
        private Color _WordArtBackColor = Color.Gray;
        public Color WordArtBackColor
        {
            set { _WordArtBackColor = value; }
            get { return _WordArtBackColor; }
        }
        //文本輸出質量：呈現模式和平滑效果
        private TextRenderingHint _TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
        public TextRenderingHint WordArtTextRenderingHint
        {
            get { return _TextRenderingHint; }
            set { _TextRenderingHint = value; }
        }
       
        public SmoothingMode _SmoothingMode = SmoothingMode.AntiAlias;
        public SmoothingMode WordArtSmoothingMode
        {
            get { return _SmoothingMode; }
            set { _SmoothingMode = value; }
        }

        public WordArt()
        {
            InitializeComponent();
        }
        //藝術字的形式:陰影,浮雕……
        private WordArtEffectStyle _WordArtEffect=WordArtEffectStyle.projection;//投影為默認形式;
        public WordArtEffectStyle WordArtEffect
        {
            get { return _WordArtEffect; }
            set { _WordArtEffect = value; }
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);
            Graphics g = this.CreateGraphics();
            Brush backBrush=new SolidBrush(this.WordArtBackColor);
            Brush foreBrush=new SolidBrush(this.WordArtForeColor);

            SizeF size = g.MeasureString(this.Caption, this.WordArtFont);
            Single posX = (this.Width - Convert.ToInt16(size.Width)) / 2;
            Single posY = (this.Height - Convert.ToInt16(size.Height)) / 2;

            switch (this.WordArtEffect)
            {
                case WordArtEffectStyle.projection://投影效果
                    //設置文本輸出質量
                    g.TextRenderingHint = this.WordArtTextRenderingHint;
                    g.SmoothingMode = this.WordArtSmoothingMode;
                    Matrix matrix = new Matrix();
                    //投射
                    matrix.Shear(-1.5f, 0.0f);
                    //縮放
                    matrix.Scale(1, 0.5f);
                    //平移
                    matrix.Translate(120, 75);
                    //對繪圖平面坐標實施變換
                    g.Transform = matrix;