Prevent dialog box from validating file : OpenFileDialog « GUI « VB.Net Tutorial

1. VB.Net Tutorial
2. GUI
3. OpenFileDialog

Imports System.IO
Imports System.Windows.Forms

Module Module1
    Sub Main()
        Dim FileDB As New OpenFileDialog()

        FileDB.Filter = "All files | *.* | Text files | *.txt"

        FileDB.FilterIndex = 2
        FileDB.InitialDirectory = "C:\Temp"
        FileDB.AddExtension = True
        FileDB.DefaultExt = "txt"

        ' Prevent dialog box from validating file
        FileDB.CheckFileExists = False
        FileDB.CheckPathExists = False

        If (FileDB.ShowDialog() = DialogResult.OK) Then
            Dim SourceFile As StreamReader
            Try
                SourceFile = New StreamReader(FileDB.FileName)
                Console.WriteLine(SourceFile.ReadToEnd())
                SourceFile.Close()
            Catch Except As Exception
                Console.WriteLine("Error: " & Except.Message)
            End Try
        Else
            Console.WriteLine("User selected Cancel")
        End If

    End Sub

End Module

14.63.OpenFileDialog
	14.63.1.	Prevent dialog box from validating file
	14.63.2.	File Open/Save dialog
	14.63.3.	Open File Dialog Filter
	14.63.4.	Set OpenFileDialog Filter and get selected file name
	14.63.5.	Set InitialDirectory and FilterIndex for OpenFileDialog
	14.63.6.	Get selected file name in a OpenFileDialog
	14.63.7.	Use OpenFileDialog to load image to PictureBox