DocumentList.OnSelectedDirectoryChanged Method

项目
10/15/2009

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Raises the SelectedDirectoryChanged event.

Namespace: Microsoft.WindowsCE.Forms
Assembly: Microsoft.WindowsCE.Forms (in Microsoft.WindowsCE.Forms.dll)

Syntax

'Declaration
Protected Overridable Sub OnSelectedDirectoryChanged ( _
    e As EventArgs _
)
'Usage
Dim e As EventArgs

Me.OnSelectedDirectoryChanged(e)

protected virtual void OnSelectedDirectoryChanged(
    EventArgs e
)

protected:
virtual void OnSelectedDirectoryChanged(
    EventArgs^ e
)

abstract OnSelectedDirectoryChanged : 
        e:EventArgs -> unit 
override OnSelectedDirectoryChanged : 
        e:EventArgs -> unit

Parameters

e
Type: System.EventArgs
A DocumentListEventArgs that contains the event data.

Remarks

The SelectedDirectoryChanged event occurs when a folder is selected in a DocumentList control.

Raising an event invokes the event handler through a delegate. For more information, see Raising an Event.

The OnSelectedDirectoryChanged method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.

Notes to Inheritors

When overriding OnSelectedDirectoryChanged in a derived class, be sure to call the base class’s OnSelectedDirectoryChanged method so that registered delegates receive the event.

Examples

The following code example shows a method that handles the SelectedDirectoryChanged event. This code example is part of a larger example provided for the DocumentList class.

' Handle the SelectedDirectoryChanged
' event with code that sets the correct  
' path for opening and closing files.
Private Sub DocList_SelectedDirectoryChanged(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles DocumentList1.SelectedDirectoryChanged

    StatusBar1.Text = "Folder: " & DocumentList1.SelectedDirectory
    ' Add code to access the selected folder to open and close files.    

End Sub

private void OnFolderSel(object obj, EventArgs eventg)
{
    statusBar1.Text = "Folder: " + DocList.SelectedDirectory;

    // Add code to access the selected folder to open and close files.
}

.NET Framework Security

Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

Platforms

Windows Mobile for Pocket PC

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Version Information

.NET Compact Framework

Supported in: 3.5, 2.0

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