需要using。OpenFileDialog是.NETFramework中的一个类，提供了一个标准的对话框，用于让用户选择文件。在使用OpenFileDialog时，需要使用using语句来引用命名空间System.Windows.Forms，这样才能在代码中使用OpenFileDialog类。using语句的作用是将命名空间引入到当前代码文件中，使得代码中的类型和成员可以直接使用...
Dim dlg As OpenFileDialog = New OpenFileDialog Dim res As DialogResult = dlg.ShowDialog With dlg .Filter = "PDF Files(*.pdf)|*.pdf|All Files(*.*)|*.*" .Title = txtpdf.Text End With If res = Windows.Forms.DialogResult.OK Then Dim str As String() str = Split(dlg.FileName, "\...
OpenFileDialog 是winform里面的 你在ASP.NET网页里当然没有，可以添加 using System.Windows.Forms;
privatevoidbutton1_Click(objectsender, System.EventArgs e){// Displays an OpenFileDialog so the user can select a Cursor.OpenFileDialog openFileDialog1 =newOpenFileDialog(); openFileDialog1.Filter ="Cursor Files|*.cur"; openFileDialog1.Title ="Select a Cursor File";// Show the Dialog.// If...
Step 3: This button code enables users to open Word files from a stream in Xml or Microsoft Word format. 01privatevoidbtnOpenStream_Click(objectsender, EventArgs e) 02{ 03//open a doc document 04OpenFileDialog dialog =newOpenFileDialog(); ...
using (OpenFileDialog ofd = new OpenFileDialog()) { ofd.CheckFileExists = true; ofd.Multiselect = false; DialogResult result = ofd.ShowDialog(); if (result == DialogResult.OK) { // Do what ever you like } } // example 2 string dic = @"C:\Temp"; string filename = "test.sql";...
You can use the following method in IOpenFileDialog interface void AddCustomMenu(const PMString& theName, SysOSType creator, SysOSType theType) in this method send "kAllFileTypes" for both creator, theType For the code snippet you have pasted, you could use FileWindow->AddCustomMenu(filter...
Dim OpenFileDialog1 As New OpenFileDialog 'filter text files only OpenFileDialog1.Filter = "Text Files (*)|*.txt" 'after choosing a desired text files, it will display its path on textbox1 If OpenFileDialog1.ShowDialog = Windows.Forms.DialogResult.OK Then TextBox1.Text =...
19.1k,Oct 29 2013 0 Recommended Videos Ashish Vanjani In this video you will learn how to use OpenFileDialog in C# OpenFileDialog Dialog Boxes What is OpenFileDialog OpenFileDialog Windows Forms C# OpenFileDialog
大家好,背景:我正在开发一个WinForms应用程序,它使用C#和OpenFileDialog,FileBrowserDialog来使用命令行可执行文件将多个文件从excel转换成1个csv文件。错误:我应该添加什么指令或程序集引用来防止这些错误? 'sOut‘不存在于当前context'sErr’中,当前context'sourceFileOpenFileDialog.SelectedFiles‘中不包含“SelectedFi...