zoukankan      html  css  js  c++  java
  • C#用openfiledialog文件和savefileDialog打开和保存文件

    一 打开文件

    Stream myStream = null;
                OpenFileDialog openFileDialog1 = new OpenFileDialog();
                openFileDialog1.InitialDirectory = "d:\";
                openFileDialog1.Filter = "ext files (*.txt)|*.txt|All files(*.*)|*>**";
                openFileDialog1.FilterIndex = 2;
                openFileDialog1.RestoreDirectory = true;
                if (openFileDialog1.ShowDialog() == DialogResult.OK)
                {
                    try
                    {
                        if ((myStream = openFileDialog1.OpenFile()) != null)
                        {
                            StreamReader st = new StreamReader(openFileDialog1.FileName, Encoding.GetEncoding("gb2312"));
                            string str = st.ReadLine();
                            while (str != null)
                            {
                                richTextBox1.AppendText(str);
                                richTextBox1.AppendText("
    ");
                                str = st.ReadLine();
                            }
                        }
    
                    }catch(Exception ex){
                        MessageBox.Show("打开文件出错:"+ex.Message);
                    }
    

     二、保存文件

    SaveFileDialog saveFileDialog1 = new SaveFileDialog();
                saveFileDialog1.InitialDirectory = "d:\";
                saveFileDialog1.Filter = "ext files (*.txt)|*.txt|All files(*.*)|*>**";
                saveFileDialog1.FilterIndex = 2;
                saveFileDialog1.RestoreDirectory = true;
                DialogResult dr = saveFileDialog1.ShowDialog();
                if (dr == DialogResult.OK && saveFileDialog1.FileName.Length > 0)
                {
                    richTextBox1.SaveFile(saveFileDialog1.FileName,RichTextBoxStreamType.PlainText);
                    MessageBox.Show("存储文件成功!","保存文件");
                }
    

     三、颜色对话框

     ColorDialog colorDialog1 = new ColorDialog();
                colorDialog1.AllowFullOpen = false;
                colorDialog1.Color = richTextBox1.ForeColor;
                colorDialog1.ShowHelp = true;
                if(colorDialog1.ShowDialog()==DialogResult.OK)
                {
                    richTextBox1.ForeColor = colorDialog1.Color;
    
                 }
    

     四、字体对话框

    FontDialog fontDialog = new FontDialog();
                fontDialog.Font = richTextBox1.Font;
                fontDialog.Color = richTextBox1.ForeColor;
                if (fontDialog.ShowDialog() != DialogResult.Cancel)
                {
                    richTextBox1.Font = fontDialog.Font;
                    richTextBox1.ForeColor = fontDialog.Color;
                }
    
  • 相关阅读:
    C#学习笔记之——矩形覆盖问题
    链表,栈,队列代码
    链表练习代码
    2012年全国计算机专业大学排名
    寄存器介绍
    win8 wifi开关显示关闭,且设置里面wifi开关显示灰色的解决办法
    360随身wifi无法使用临时解决方案大全
    锐捷客户端的校园网电脑如何转化成无线路由
    未完成数据结构题目
    数据结构代码1
  • 原文地址:https://www.cnblogs.com/rosesmall/p/9050665.html
Copyright © 2011-2022 走看看