C#玩4张纸牌小游戏

Card类 

public class Card
    {
        private Graphics _gpPalette;

        public Graphics gpPalette
        {
            get
            {
                return _gpPalette;
            }
            set
            {
                _gpPalette = value;
            }
        }

        public Color disapperColor
        {
            get
            {
                switch (this._flower)
                {
                    case Flower.Square:
                    case Flower.Hearts:
                        return Color.Red;
                    case Flower.Spade:
                    case Flower.Flower:
                        return Color.Black;
                    default:
                        return Color.Black;
                }
            }
        }

        private Point _point;

        public Point point
        {
            get
            {
                return _point;
            }
            set
            {
                _point = value;
            }
        }

        private Flower _flower;

        public Flower flower
        {
            get
            {
                return _flower;
            }
            set
            {
                _flower = value;
            }
        }

        public Card (Point point,Flower flower )
        {
            this._point = point;
            this._flower = flower;
        }

        public virtual void Paint (  )
        {
            if (_gpPalette != null)
            {
                _gpPalette.Clear (Color.White);
                SolidBrush sbDisplay = new SolidBrush (disapperColor);
                FontFamily fontFamily = new FontFamily ("宋体");
                Font font = new Font (fontFamily, 25);
                PointF pointF = new PointF ( );
                _gpPalette.DrawString (this.ToString ( ), font, sbDisplay, pointF);
            }

        }
        public virtual void Paint (Graphics gp )
        {
            if (gp != null)
            {
                gp.Clear (Color.White);
                SolidBrush sbDisplay = new SolidBrush (disapperColor);
                FontFamily fontFamily = new FontFamily ("宋体");
                Font font = new Font (fontFamily, 25);
                PointF pointF = new PointF ( );
                gp.DrawString (this.ToString ( ), font, sbDisplay, pointF);
            }

        }
        public override string ToString ( )
        {
            string strFlowerCode = string.Empty;
            string strPointCode = string.Empty;
            switch (this._flower)
            {
                case Flower.Square:
                    strFlowerCode = "◆";
                    break;
                case Flower.Hearts:
                    strFlowerCode = "♥";
                    break;
                case Flower.Spade:
                    strFlowerCode = "♠";
                    break;
                case Flower.Flower:
                    strFlowerCode = "♣";
                    break;
                default:
                    break;
            }
            switch (this._point)
            {
                case Point.J:
                case Point.Q:
                case Point.K:
                case Point.A:
                    strPointCode = this._point.ToString ( );
                    break;
                case Point.Two:
                case Point.Three:
                case Point.Four:
                case Point.Five:
                case Point.Six:
                case Point.Seven:
                case Point.Eight:
                case Point.Nine:
                case Point.Ten:
                    strPointCode = ((int) _point).ToString ( );
                    break;
                default:
                    break;
            }
            return string.Format ("{0}\n{1}", strPointCode, strFlowerCode);
        }
    }

　　Flower类：

 public enum Flower:short
    {
        /// <summary>
        /// 方块
        /// </summary>
        Square=1,

        /// <summary>
        /// 红桃
        /// </summary>
        Hearts=2,

        /// <summary>
        /// 黑桃
        /// </summary>
        Spade=3,

        /// <summary>
        /// 花
        /// </summary>
        Flower=4
    }

　　Form2窗体类文件

  partial class Form2
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose ( bool disposing )
        {
            if (disposing && (components != null))
            {
                components.Dispose ( );
            }
            base.Dispose (disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent ( )
        {
            this.btnReflesh = new System.Windows.Forms.Button ( );
            this.pbFourth = new System.Windows.Forms.PictureBox ( );
            this.pbThird = new System.Windows.Forms.PictureBox ( );
            this.pbSecond = new System.Windows.Forms.PictureBox ( );
            this.pbFirst = new System.Windows.Forms.PictureBox ( );
            ((System.ComponentModel.ISupportInitialize) (this.pbFourth)).BeginInit ( );
            ((System.ComponentModel.ISupportInitialize) (this.pbThird)).BeginInit ( );
            ((System.ComponentModel.ISupportInitialize) (this.pbSecond)).BeginInit ( );
            ((System.ComponentModel.ISupportInitialize) (this.pbFirst)).BeginInit ( );
            this.SuspendLayout ( );
            // 
            // btnReflesh
            // 
            this.btnReflesh.Location = new System.Drawing.Point (323, 178);
            this.btnReflesh.Name = "btnReflesh";
            this.btnReflesh.Size = new System.Drawing.Size (75, 23);
            this.btnReflesh.TabIndex = 4;
            this.btnReflesh.Text = "重发";
            this.btnReflesh.UseVisualStyleBackColor = true;
            this.btnReflesh.Click += new System.EventHandler (this.btnReflesh_Click);
            // 
            // pbFourth
            // 
            this.pbFourth.BackColor = System.Drawing.Color.White;
            this.pbFourth.Location = new System.Drawing.Point (330, 35);
            this.pbFourth.Name = "pbFourth";
            this.pbFourth.Size = new System.Drawing.Size (68, 95);
            this.pbFourth.TabIndex = 3;
            this.pbFourth.TabStop = false;
            this.pbFourth.Paint += new System.Windows.Forms.PaintEventHandler (this.pbFourth_Paint);
            // 
            // pbThird
            // 
            this.pbThird.BackColor = System.Drawing.Color.White;
            this.pbThird.Location = new System.Drawing.Point (233, 35);
            this.pbThird.Name = "pbThird";
            this.pbThird.Size = new System.Drawing.Size (68, 95);
            this.pbThird.TabIndex = 2;
            this.pbThird.TabStop = false;
            this.pbThird.Paint += new System.Windows.Forms.PaintEventHandler (this.pbThird_Paint);
            // 
            // pbSecond
            // 
            this.pbSecond.BackColor = System.Drawing.Color.White;
            this.pbSecond.Location = new System.Drawing.Point (136, 35);
            this.pbSecond.Name = "pbSecond";
            this.pbSecond.Size = new System.Drawing.Size (68, 95);
            this.pbSecond.TabIndex = 1;
            this.pbSecond.TabStop = false;
            this.pbSecond.Paint += new System.Windows.Forms.PaintEventHandler (this.pbSecond_Paint);
            // 
            // pbFirst
            // 
            this.pbFirst.BackColor = System.Drawing.Color.White;
            this.pbFirst.Location = new System.Drawing.Point (39, 35);
            this.pbFirst.Name = "pbFirst";
            this.pbFirst.Size = new System.Drawing.Size (68, 95);
            this.pbFirst.TabIndex = 0;
            this.pbFirst.TabStop = false;
            this.pbFirst.Paint += new System.Windows.Forms.PaintEventHandler (this.pbFirst_Paint);
            // 
            // Form2
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF (6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size (441, 213);
            this.Controls.Add (this.btnReflesh);
            this.Controls.Add (this.pbFourth);
            this.Controls.Add (this.pbThird);
            this.Controls.Add (this.pbSecond);
            this.Controls.Add (this.pbFirst);
            this.Name = "Form2";
            this.Text = "Form2";
            this.Load += new System.EventHandler (this.Form2_Load);
            ((System.ComponentModel.ISupportInitialize) (this.pbFourth)).EndInit ( );
            ((System.ComponentModel.ISupportInitialize) (this.pbThird)).EndInit ( );
            ((System.ComponentModel.ISupportInitialize) (this.pbSecond)).EndInit ( );
            ((System.ComponentModel.ISupportInitialize) (this.pbFirst)).EndInit ( );
            this.ResumeLayout (false);

        }

        #endregion

        private System.Windows.Forms.Button btnReflesh;
        private System.Windows.Forms.PictureBox pbFourth;
        private System.Windows.Forms.PictureBox pbThird;
        private System.Windows.Forms.PictureBox pbSecond;
        private System.Windows.Forms.PictureBox pbFirst;
    }
}