How to: Programmatically Retrieve Unread Messages from the Inbox
This example retrieves unread e-mail messages from the Outlook Inbox and displays the number of items.
Applies to: The information in this topic applies to application-level projects for Outlook 2013 and Outlook 2010. For more information, see Features Available by Office Application and Project Type.
Example
Private Sub ThisAddIn_Startup(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Startup
Dim inbox As Outlook.MAPIFolder = _
Me.Application.ActiveExplorer().Session.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderInbox)
Dim unreadItems As Outlook.Items = _
inbox.Items.Restrict("[Unread]=true")
MsgBox(String.Format("Unread items in Inbox = {0}", unreadItems.Count))
End Sub
private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
Outlook.MAPIFolder inbox =
this.Application.ActiveExplorer().Session.GetDefaultFolder
(Outlook.OlDefaultFolders.olFolderInbox);
Outlook.Items unreadItems = inbox.
Items.Restrict("[Unread]=true");
MessageBox.Show(
string.Format("Unread items in Inbox = {0}", unreadItems.Count));
}
See Also
Tasks
How to: Programmatically Create an E-Mail Item
How to: Programmatically Send E-Mail Programmatically
How to: Programmatically Perform Actions When an E-Mail Message Is Received