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parameters

Parameter Details
string pad Pad van het te controleren bestand. (relatief of volledig gekwalificeerd)

Opmerkingen

Retourneert true als het bestand bestaat, anders false.

VB WriteAllText

Imports System.IO

Dim filename As String = "c:\path\to\file.txt"
File.WriteAllText(filename, "Text to write" & vbCrLf)

VB StreamWriter

Dim filename As String = "c:\path\to\file.txt"
If System.IO.File.Exists(filename) Then
    Dim writer As New System.IO.StreamWriter(filename)
    writer.Write("Text to write" & vbCrLf) 'Add a newline
    writer.close()
End If

C # StreamWriter

using System.Text;
using System.IO;

string filename = "c:\path\to\file.txt";
//'using' structure allows for proper disposal of stream.
using (StreamWriter writer = new StreamWriter(filename"))
{
    writer.WriteLine("Text to Write\n");
}

C # WriteAllText ()

using System.IO;
using System.Text;

string filename = "c:\path\to\file.txt";
File.writeAllText(filename, "Text to write\n");

C # File.Exists ()

using System;
using System.IO;
                
public class Program
{
    public static void Main()
    {
        string filePath = "somePath";
    
        if(File.Exists(filePath))
        {
            Console.WriteLine("Exists");
        }
        else
        {
            Console.WriteLine("Does not exist");    
        }
    }
}

Kan ook worden gebruikt in een ternaire operator.

Console.WriteLine(File.Exists(pathToFile) ? "Exists" : "Does not exist");


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