DataGridView完整实现打印功能

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace DataGridPrints
{
    /// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    {
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.DataGrid dataGrid1;
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.Container components = null;

        public Form1()
        {
            //
            // Windows 窗体设计器支持所必需的
            //
            InitializeComponent();

            //
            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
            //
        }

        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        #region Windows 窗体设计器生成的代码
        /// <summary>
        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
        /// 此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.button1 = new System.Windows.Forms.Button();
            this.dataGrid1 = new System.Windows.Forms.DataGrid();
            ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
            this.SuspendLayout();
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(58, 190);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(90, 24);
            this.button1.TabIndex = 0;
            this.button1.Text = "Print";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // dataGrid1
            // 
            this.dataGrid1.DataMember = "";
            this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
            this.dataGrid1.Location = new System.Drawing.Point(38, 43);
            this.dataGrid1.Name = "dataGrid1";
            this.dataGrid1.Size = new System.Drawing.Size(624, 121);
            this.dataGrid1.TabIndex = 1;
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(678, 303);
            this.Controls.Add(this.dataGrid1);
            this.Controls.Add(this.button1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.Load += new System.EventHandler(this.Form1_Load);
            ((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
            this.ResumeLayout(false);

        }
        #endregion

        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new Form1());
        }

        private void Form1_Load(object sender, System.EventArgs e)
        {
            DataTable dt = SomeDataTable();
            this.dataGrid1.DataSource = dt;
            CreatStyle(this.dataGrid1);
        }

        private void CreatStyle(DataGrid grid) 
        { 
            DataGridTableStyle style = new DataGridTableStyle();
            DataTable dt = (DataTable) grid.DataSource;
            style.MappingName = dt.TableName;
            
            for(int j = 0; j < dt.Columns.Count; j++) 
            { 
                DataGridTextBoxColumn cs = new DataGridTextBoxColumn(); 
                cs.MappingName = dt.Columns[j].ColumnName; 
                cs.HeaderText = dt.Columns[j].ColumnName;
                cs.ReadOnly = true;
                style.GridColumnStyles.Add(cs); 
            } 
            grid.TableStyles.Clear(); 
            grid.TableStyles.Add(style); 

        } 
        private DataTable SomeDataTable() 
        { 
            
            DataTable dt = new DataTable("MyTable"); 

            //add some columns 
            int nCols = 5; 
            for(int j = 0; j < nCols; ++j) 
                dt.Columns.Add(new DataColumn(string.Format("col{0}", j), typeof(string))); 
            
            //add some rows 
            int nRows = 40; 
            for(int i = 0; i < nRows; ++i) 
            { 
                DataRow dr = dt.NewRow(); 
                for(int j = 0; j < nCols; ++j) 
                    dr[j] = string.Format("row {0} col {1}", i, j); 
                dt.Rows.Add(dr); 
            } 

            dt.DefaultView.AllowNew = false;//turn off append row 
            return dt; 
        }

        private void button1_Click(object sender, System.EventArgs e)
        {
            GridPrinter dgp=new GridPrinter(this.dataGrid1,0); 
            string[] header={"AAAA","BBBB","CCCC","DDDD","EEEE"};
            dgp.setHeader(header);//如果不用改原header就不用赋值。 
            int[] colWidth = {20,20,20,20,20};
            dgp.setColWidth(colWidth);
            
            int[] disType ={0,0,0,0,0,0};//设定Decimal打印类型,0代表左对齐
            dgp.setDisplayType(disType);
            
            int[] titleDis = {0,0,0,0,0};//设置列标题对齐方式1代表右对齐，0代表左对齐，包含宽度为0的列
            dgp.setTitleDisplay(titleDis);
            dgp.Print(); 
        }
    }
}