How to: Display Specific Modules in the Navigation Pane

The CurrentModule property of the NavigationPane object, in Microsoft Outlook, determines which navigation module is currently displayed in the Navigation Pane. You can retrieve a reference to a given NavigationModule object from a NavigationPane object by either enumerating the NavigationModules collection or by using the GetNavigationModule method of the NavigationModules collection.

The following sample sets the Mail navigation module as the currently selected navigation module if any navigation module is selected, either programmatically or by user action, in the Navigation Pane. The sample performs the following actions:

  1. The sample first obtains a reference to the NavigationPane object for the active explorer when the Startup event of the Application object is raised and assigns it to objPane, so the ModuleSwitch event of the NavigationPane object can be detected.

  2. When the ModuleSwitch event of the NavigationPane occurs, the sample then checks the NavigationModuleType property of the NavigationModule object reference in the CurrentModule parameter of the ModuleSwitch event.

  3. If the NavigationModuleType property of the currently selected NavigationModule object is set to olModuleMail, the sample uses the GetNavigationModule method of the NavigationModules collection for the NavigationPane object to attempt to retrieve a MailModule object. If successful, the sample finally sets the CurrentModule property of the NavigationPane object to the retrieved MailModule object reference.

Dim WithEvents objPane As NavigationPane 
 
Private Sub Application_Startup() 
 ' Get the NavigationPane object for the 
 ' currently displayed Explorer object. 
 Set objPane = Application.ActiveExplorer.NavigationPane 
End Sub 
 
Private Sub objPane_ModuleSwitch(ByVal CurrentModule As NavigationModule) 
 Dim objModule As MailModule 
 
 If CurrentModule.NavigationModuleType <> olModuleMail Then 
 ' Use the GetModule method to obtain a MailModule from 
 ' the current NavigationPane object. 
 Set objModule = objPane.Modules.GetNavigationModule(olModuleMail) 
 
 ' Set the CurrentModule property to the MailModule. 
 Set objPane.CurrentModule = objModule 
 End If 
End Sub 

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