C#多文档MDI窗体实现集合多种功.doc

效果图：包括各种功能。菜单功能快捷键右侧属性里设置。所需控件：代码：using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.IO;namespace 多文档MDI窗体实现 public partial class Form1 : Form Form2 myf = new Form2(); /定义公共变量，新建Form2对象实例 public StringReader MySReader; /字符串流对象，一行一行读取文本 public int x = 1; /记录新建子窗体个数 public Form1() InitializeComponent(); private void Form1_Load(object sender, EventArgs e) toolStripStatusLabel2.Text = 当前日期： + DateTime.Now.ToString(); /显示当前日期时间 private void 新建NCtrlNToolStripMenuItem_Click(object sender, EventArgs e) Form2 myf = new Form2(); myf.MdiParent = this; /设置为子窗体 myf.Text = 新建文件 + x.ToString(); /设置子窗体的标题 toolStripStatusLabel1.Text = 状态：新建文档; /状态栏提示信息 x = x + 1; myf.Show(); /显示子窗体 private void 打开OCtrlOToolStripMenuItem_Click(object sender, EventArgs e) openFileDialog1.Filter = *.txt|*.txt; /设置打开对话框的文件类型 openFileDialog1.Title = 打开; /设置打开对话框的标题 if (openFileDialog1.ShowDialog() = DialogResult.OK) string strname = openFileDialog1.FileName; /提取打开文件的文件名 myf.Text = openFileDialog1.FileName; /设置子窗体的文件名 myf.richTextBox1.Clear(); myf.richTextBox1.LoadFile(openFileDialog1.FileName, RichTextBoxStreamType.PlainText);/打开文件 myf.MdiParent = this; /设置窗体为子窗体 myf.Show(); /显示子窗体 toolStripStatusLabel1.Text = toolStripStatusLabel1.Text + 打开文件;/状态栏提示信息 private void 保存SCtrlSToolStripMenuItem_Click(object sender, EventArgs e) saveFileDialog1.Filter = 文本文档(*.txt|*.txt); /设置保存对话框类型 saveFileDialog1.FilterIndex = 2; if (saveFileDialog1.ShowDialog() = DialogResult.OK) /保存文件 myf.richTextBox1.SaveFile(saveFileDialog1.FileName, RichTextBoxStreamType.PlainText); private void 页面设置ToolStripMenuItem_Click(object sender, EventArgs e) pageSetupDialog1.Document = this.printDocument1; /页面设置内容 pageSetupDialog1.ShowDialog(); /页面设置对话框 private void 打印预览PToolStripMenuItem_Click(object sender, EventArgs e) printPreviewDialog1.Document = printDocument1; MySReader = new StringReader(myf.richTextBox1.Text);/打印预览内容 try printPreviewDialog1.ShowDialog(); /打印预览对话框 catch printDocument1.PrintController.OnEndPrint(printDocument1, new System.Drawing.Printing.PrintEventArgs(); private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e) Graphics frmGraphics = e.Graphics; Font frmFont = myf.richTextBox1.Font; /设置字体类型 float intpage = e.MarginBounds.Height; /每一页的行数 frmFont.GetHeight(frmGraphics); int intPratn = 0; /打印的行数计数 float fYposition = 0; /打印时的纵坐标 float fLeft = e.MarginBounds.Left; float fTop = e.MarginBounds.Top; string strfrmling = ; while (intPratn intpage) & (strfrmling = MySReader.ReadLine() != null) fYposition = fTop + intPratn * frmFont.GetHeight(frmGraphics); frmGraphics.DrawString(strfrmling, frmFont, new SolidBrush(Color.Black), fLeft, fYposition, new StringFormat(); intPratn+; if (strfrmling != null) e.HasMorePages = true; /没打印完发出下一页打印事情 else e.HasMorePages = false; private void 退出QToolStripMenuItem_Click(object sender, EventArgs e) this.Close(); Application.Exit(); private void 剪切TToolStripMenuItem_Click(object sender, EventArgs e) int CutInt = myf.richTextBox1.SelectionStart; Clipboard.SetDataObject(myf.richTextBox1.SelectedText); myf.richTextBox1.Text = myf.richTextBox1.Text.Substring(0, CutInt) + myf.richTextBox1.Text.Substring(CutInt, myf.richTextBox1.SelectedText.Length); myf.richTextBox1.SelectionStart = CutInt; private void 复制CToolStripMenuItem_Click(object sender, EventArgs e) Clipboard.SetDataObject(myf.richTextBox1.SelectedText); /复制选择文本 private void 粘贴VToolStripMenuItem_Click(object sender, EventArgs e) IDataObject idat = Clipboard.GetDataObject(); if (idat.GetDataPresent(DataFormats.Text) string PasteStr = (string)idat.GetData(DataFormats.Text); int pasteid = myf.richTextBox1.SelectionStart; myf.richTextBox1.Text = myf.richTextBox1.Text.Substring(0, pasteid) + PasteStr + myf.richTextBox1.Text.Substring(pasteid); myf.richTextBox1.SelectionStart = pasteid + PasteStr.Length; private void 全选AToolStripMenuItem_Click(object sender, EventArgs e) myf.richTextBox1.SelectAll(); /全选文本 private void 字体FToolStripMenuItem_Click(object sender, EventArgs e) fontDialog1.ShowDialog(); /字体对话框 fontDialog1.AllowVerticalFonts = true; fontDialog1.FixedPitchOnly = true; fontDialog1.ShowApply = true; fontDialog1.ShowEffects = true; if (myf.richTextBox1.SelectedText = ) myf.richTextBox1.Font = fontDialog1.Font; /设置所有文字字体属性 else myf.richTextBox1.SelectionFont = fontDialog1.Font;/设置所选的文字字体属性 private void 层叠AToolStripMenuItem_Click(object sender, EventArgs e) this.LayoutMdi(MdiLayout.Cascade); private void 横向平铺FToolStripMenuItem_Click(object sender, EventArgs e) this.LayoutMdi(Md