ApplicationSettingsBase.SettingsSaving Event

Occurs before values are saved to the data store.

Namespace: System.Configuration
Assembly: System (in system.dll)

'Declaration
Public Event SettingsSaving As SettingsSavingEventHandler
'Usage
Dim instance As ApplicationSettingsBase
Dim handler As SettingsSavingEventHandler

AddHandler instance.SettingsSaving, handler

/** @event */
public void add_SettingsSaving (SettingsSavingEventHandler value)

/** @event */
public void remove_SettingsSaving (SettingsSavingEventHandler value)

In JScript, you can handle the events defined by a class, but you cannot define your own.
Not applicable.

The SettingsSaving event is raised by the Save method before it stores the application settings properties to their associated data store. The associated event handler can cancel this event.

The following code example shows the SettingsSaving event handler for object of type FormSettings, which is a wrapper class derived from ApplicationSettingsBase. The handler queries the user to save the current application settings property values. The full code example is listed in the ApplicationSettingsBase class overview.

Private Sub frmSettings1_SettingsSaving(ByVal sender As Object, ByVal e As _
        CancelEventArgs) Handles frmSettings1.SettingsSaving
    'Should check for settings changes first.
    Dim dr As DialogResult = MessageBox.Show( _
        "Save current values for application settings?", "Save Settings", _
        MessageBoxButtons.YesNo)
    If (System.Windows.Forms.DialogResult.No = dr) Then
        e.Cancel = True
    End If
End Sub

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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