This article shows the OpenFileDialog to select
a file in VB.NET.
OpenFileDialog
The OpenFileDialog is used to select a file. These are the some common
properties of OpenFileDialog class.
File name
The FileName Property is used to get or set file name selected in the file
dialog box.
Filter
The Filter Property is used to get or set the current file name filter string
which sets the choices that appear in 'Save as file type' or 'Files of type'
box.
ShowDialog method
To display the dialog box to the user, call the ShowDialog() method.
For example:
Creating one Button and one Image control in
xaml.
<Image
Height="150"
HorizontalAlignment="Left"
Margin="52,12,0,0"
Name="Image1"
Stretch="Fill"
VerticalAlignment="Top"
Width="200"
/>
<Button
Content="Openfile"
Height="23"
HorizontalAlignment="Left"
Margin="52,198,0,0"
Name="Button1"
VerticalAlignment="Top"
Width="167"
/>
The window form looks like this.
Figure1.gif
Now, double click on the button named openfile
in the form and add the following code.
VB code
Private
Sub
Button1_Click(ByVal sender
As System.Object,
ByVal e As
System.Windows.RoutedEventArgs)
Handles Button1.Click
Dim myDialog
As New
OpenFileDialog()
myDialog.Filter =
"All Files|*.*|Image Files|*.jpg;*.gif;*.png;*.bmp"
myDialog.ShowDialog()
Image1.Source = New
BitmapImage(New
Uri(myDialog.FileName,
UriKind.Absolute))
End
Sub
Now run the application and test it.
Figure2.gif