C#怎么利用PrintDocument定制打印单据

本篇内容介绍了“C#怎么利用PrintDocument定制打印单据”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！

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前言

本文是利用PrintDocument定制打印单据的小例子，仅供学习分享使用，如果不足之处，还请指正。

涉及知识点：

PrintDocument :从 Windows 窗体应用程序打印时，定义一种可重用的可发送到打印机上的对象。 PrintPreviewControl :表示 Windows 窗体应用程序打印预览的原始预览部分，没有任何对话框或按钮。 Graphics ：GDI+绘图对象 PrinterSettings：设置打印机属性，如：设置属性Copies，可以设置打印份数，默认为1， PageSettings：指定应用于单页打印的设置 DefaultPageSettings：PrintDocument的属性 PrintPage事件：PrintDocument的事件，通过此事件来绘制需要打印的内容 PaperSize：指定纸张大小毫米和英寸的换算：打印机是以英寸为单位的，单据设置是以毫米为单位的，所以需要转换

效果图如下：

核心代码

关键代码如下：

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Drawing.Printing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace DemoPrint{ public partial class MainForm : Form { private int width_p = 200;//单位是mm private int height_p = 70;//单位是mm private int margin_lr = 2;//左右边距 private int margin_tb = 2;//上下边距 ///

/// 需要打印的内容 ///

public List PrintInfos { get; set; } private PrintHelper printHelper = new PrintHelper(); public MainForm() { InitializeComponent(); } private void MainForm_Load(object sender, EventArgs e) { InitInfo(); InitDocument(); } private void InitInfo() { PrinterSettings printSetting = new PrinterSettings(); printSetting.PrintRange = PrintRange.AllPages; int width_in = MM2Inch(width_p); int height_in = MM2Inch(height_p); PageSettings pageSetting = new PageSettings(printSetting); pageSetting.PaperSize = new PaperSize("customer",width_in, height_in); int margin_lr_in = MM2Inch(margin_lr); int margin_tb_in = MM2Inch(margin_tb); pageSetting.Margins = new Margins(margin_lr_in, margin_lr_in, margin_tb_in, margin_tb_in); this.pdControl.DefaultPageSettings = pageSetting; } private void InitDocument() { List lstPrintInfos = new List(); PrintInfo p0 = new PrintInfo() { PrtType = PrintType.Table, PrtColor = Color.Brown, Row = int.Parse(this.txtRow.Text.Trim()), Column = int.Parse(this.txtColumn.Text.Trim()), Start = new Point(int.Parse(this.txtStart.Text.Trim(new char[] { '(', ')' }).Split(',')[0]), int.Parse(this.txtStart.Text.Trim(new char[] { '(', ')' }).Split(',')[1])), End = new Point(int.Parse(this.txtEnd.Text.Trim(new char[] { '(', ')' }).Split(',')[0]), int.Parse(this.txtEnd.Text.Trim(new char[] { '(', ')' }).Split(',')[1])) }; lstPrintInfos.Add(p0); printHelper.PrintInfos = lstPrintInfos; } ///

/// 转换毫米到百分之一英寸 ///

/// /// private int MM2Inch(int mm) { return (int)(mm * 100.0f / 25.4f); } ///

/// 打印开始事件 ///

/// /// private void pdControl_BeginPrint(object sender, PrintEventArgs e) { } ///

/// 打印事件 ///

/// /// private void pdControl_PrintPage(object sender, PrintPageEventArgs e) { Font font = new Font("Arial", 14f, FontStyle.Regular); Graphics g = e.Graphics; g.PageScale = 1; g.PageUnit = GraphicsUnit.Millimeter; //先画一个矩形 Pen lineColor = new Pen(Color.Black, 0.2f); g.FillRectangle(Brushes.Linen,0,0,width_p,height_p); printHelper.Print(g); } ///

/// 打印结束事件 ///

/// /// private void pdControl_EndPrint(object sender, PrintEventArgs e) { } ///

/// 打印 ///

/// /// private void btnPrint_Click(object sender, EventArgs e) { //打印对话框 if (this.ptDControl.ShowDialog() == DialogResult.OK) { this.pdControl.Print(); } } private void lblColor_Click(object sender, EventArgs e) { ColorDialog f = new ColorDialog(); if (f.ShowDialog() == DialogResult.OK) { this.lblColor.BackColor = f.Color; } } ///

/// 刷新 ///

/// /// private void btnRefresh_Click(object sender, EventArgs e) { List lstPrintInfos = new List(); //表格配置 PrintInfo p0 = new PrintInfo() { PrtType = PrintType.Table, PrtColor = Color.Brown, Row = int.Parse(this.txtRow.Text.Trim()), Column = int.Parse(this.txtColumn.Text.Trim()), Start = new Point(int.Parse(this.txtStart.Text.Trim(new char[] { '(', ')' }).Split(',')[0]), int.Parse(this.txtStart.Text.Trim(new char[] { '(', ')' }).Split(',')[1])), End = new Point(int.Parse(this.txtEnd.Text.Trim(new char[] { '(', ')' }).Split(',')[0]), int.Parse(this.txtEnd.Text.Trim(new char[] { '(', ')' }).Split(',')[1])) }; lstPrintInfos.Add(p0); //标题配置 PrintInfo p1 = new PrintInfo() { PrtType = PrintType.Text, PrtColor = this.lblColor.BackColor, Content = this.txtTitle.Text.Trim(), Size = int.Parse(this.txtSize.Text.Trim()), FontStyle = chkBold.Checked ? FontStyle.Bold : FontStyle.Regular, Start = new Point(int.Parse(this.txtLocation.Text.Trim(new char[] { '(', ')' }).Split(',')[0]), int.Parse(this.txtLocation.Text.Trim(new char[] { '(', ')' }).Split(',')[1])) }; lstPrintInfos.Add(p1); //内容 TextBox[] T = new TextBox[12] { T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12 }; TextBox[] L = new TextBox[12] { L1, L2, L3, L4, L5, L6, L7, L8, L9, L10, L11, L12 }; for (int i = 0; i < 12; i++) { PrintInfo p = new PrintInfo() { PrtType = PrintType.Text, PrtColor = Color.Black, Content = T[i].Text.Trim(), Size = 12, FontStyle = FontStyle.Regular, Start = new Point(int.Parse(L[i].Text.Trim(new char[] { '(', ')' }).Split(',')[0]), int.Parse(L[i].Text.Trim(new char[] { '(', ')' }).Split(',')[1])) }; lstPrintInfos.Add(p); } //打印时间 PrintInfo p2 = new PrintInfo() { PrtType = PrintType.Text, PrtColor = this.lblColor.BackColor, Content = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), Size =11, FontStyle =FontStyle.Regular, Start = new Point(145,63) }; lstPrintInfos.Add(p2); printHelper.PrintInfos = lstPrintInfos; this.ppVControl.InvalidatePreview();//刷新文档的预览，重新调用PrintDocument的Print方法 } }}

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C#怎么利用PrintDocument定制打印单据

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