Home Backend Development C#.Net Tutorial Winform control SaveFileDialog code example on how to save files

Winform control SaveFileDialog code example on how to save files

May 03, 2017 pm 01:41 PM
save document

This article mainly introduces the relevant information of Winform SaveFileDialog to save files in detail. It has certain reference value. Interested friends can refer to

SaveFileDialog is used to save files. For your reference, the specific content is as follows

1. Create a new Winform form application and name it SaveFileDialogDemo.

2. Add a button control on the interface (used to open the save file dialog box), and add a text control used to enter the content to be saved.

3. Background code implementation:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SaveFileDialogDemo
{
  public partial class Form1 : Form
  {
    public Form1()
    {
      InitializeComponent();
    }

    /// <summary>
    /// 保存文件按钮
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void btn_SaveFile_Click(object sender, EventArgs e)
    {
      //
      SaveFileDialog sfd = new SaveFileDialog();
      //设置保存文件对话框的标题
      sfd.Title = "请选择要保存的文件路径";
      //初始化保存目录,默认exe文件目录
      sfd.InitialDirectory = Application.StartupPath;
      //设置保存文件的类型
      sfd.Filter = "文本文件|*.txt|音频文件|*.wav|图片文件|*.jpg|所有文件|*.*";
      if (sfd.ShowDialog() == DialogResult.OK)
      { 
        //获得保存文件的路径
        string filePath = sfd.FileName;
        //保存
        using (FileStream fsWrite = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.Write))
        {
          byte[] buffer = Encoding.Default.GetBytes(txt_FileInfo.Text.ToString().Trim());
          fsWrite.Write(buffer, 0, buffer.Length);
        }
      }
    }
  }
}
Copy after login

4. Run the exe program and enter the content to be saved in the text box:

5. Click the "Save File" button to open the save file dialog box, enter the file name, and click Save:

6. In Debug You can see the save dialog box .txt file under the directory. Open the file and you can see the saved content:

The above is the detailed content of Winform control SaveFileDialog code example on how to save files. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

Java Tutorial
1657
14
PHP Tutorial
1257
29
C# Tutorial
1230
24
C# .NET Interview Questions & Answers: Level Up Your Expertise C# .NET Interview Questions & Answers: Level Up Your Expertise Apr 07, 2025 am 12:01 AM

C#.NET interview questions and answers include basic knowledge, core concepts, and advanced usage. 1) Basic knowledge: C# is an object-oriented language developed by Microsoft and is mainly used in the .NET framework. 2) Core concepts: Delegation and events allow dynamic binding methods, and LINQ provides powerful query functions. 3) Advanced usage: Asynchronous programming improves responsiveness, and expression trees are used for dynamic code construction.

Testing C# .NET Applications: Unit, Integration, and End-to-End Testing Testing C# .NET Applications: Unit, Integration, and End-to-End Testing Apr 09, 2025 am 12:04 AM

Testing strategies for C#.NET applications include unit testing, integration testing, and end-to-end testing. 1. Unit testing ensures that the minimum unit of the code works independently, using the MSTest, NUnit or xUnit framework. 2. Integrated tests verify the functions of multiple units combined, commonly used simulated data and external services. 3. End-to-end testing simulates the user's complete operation process, and Selenium is usually used for automated testing.

C# .NET: Exploring Core Concepts and Programming Fundamentals C# .NET: Exploring Core Concepts and Programming Fundamentals Apr 10, 2025 am 09:32 AM

C# is a modern, object-oriented programming language developed by Microsoft and as part of the .NET framework. 1.C# supports object-oriented programming (OOP), including encapsulation, inheritance and polymorphism. 2. Asynchronous programming in C# is implemented through async and await keywords to improve application responsiveness. 3. Use LINQ to process data collections concisely. 4. Common errors include null reference exceptions and index out-of-range exceptions. Debugging skills include using a debugger and exception handling. 5. Performance optimization includes using StringBuilder and avoiding unnecessary packing and unboxing.

From Web to Desktop: The Versatility of C# .NET From Web to Desktop: The Versatility of C# .NET Apr 15, 2025 am 12:07 AM

C#.NETisversatileforbothwebanddesktopdevelopment.1)Forweb,useASP.NETfordynamicapplications.2)Fordesktop,employWindowsFormsorWPFforrichinterfaces.3)UseXamarinforcross-platformdevelopment,enablingcodesharingacrossWindows,macOS,Linux,andmobiledevices.

The Continued Relevance of C# .NET: A Look at Current Usage The Continued Relevance of C# .NET: A Look at Current Usage Apr 16, 2025 am 12:07 AM

C#.NET is still important because it provides powerful tools and libraries that support multiple application development. 1) C# combines .NET framework to make development efficient and convenient. 2) C#'s type safety and garbage collection mechanism enhance its advantages. 3) .NET provides a cross-platform running environment and rich APIs, improving development flexibility.

Advanced C# .NET Tutorial: Ace Your Next Senior Developer Interview Advanced C# .NET Tutorial: Ace Your Next Senior Developer Interview Apr 08, 2025 am 12:06 AM

Interview with C# senior developer requires mastering core knowledge such as asynchronous programming, LINQ, and internal working principles of .NET frameworks. 1. Asynchronous programming simplifies operations through async and await to improve application responsiveness. 2.LINQ operates data in SQL style and pay attention to performance. 3. The CLR of the NET framework manages memory, and garbage collection needs to be used with caution.

Is C# .NET Right for You? Evaluating its Applicability Is C# .NET Right for You? Evaluating its Applicability Apr 13, 2025 am 12:03 AM

C#.NETissuitableforenterprise-levelapplicationswithintheMicrosoftecosystemduetoitsstrongtyping,richlibraries,androbustperformance.However,itmaynotbeidealforcross-platformdevelopmentorwhenrawspeediscritical,wherelanguageslikeRustorGomightbepreferable.

C# .NET Security Best Practices: Preventing Common Vulnerabilities C# .NET Security Best Practices: Preventing Common Vulnerabilities Apr 05, 2025 am 12:01 AM

Security best practices for C# and .NET include input verification, output encoding, exception handling, as well as authentication and authorization. 1) Use regular expressions or built-in methods to verify input to prevent malicious data from entering the system. 2) Output encoding to prevent XSS attacks, use the HttpUtility.HtmlEncode method. 3) Exception handling avoids information leakage, records errors but does not return detailed information to the user. 4) Use ASP.NETIdentity and Claims-based authorization to protect applications from unauthorized access.

See all articles