How to: Programmatically create custom folder items

Applies to: Visual Studio Visual Studio for Mac

This example creates a new folder in Microsoft Office Outlook. The name of the user who is logged on is used for the folder name.

Applies to: The information in this topic applies to VSTO Add-in projects for Outlook. For more information, see Features available by Office application and project type.

Example

private void CreateCustomFolder()
{
    Outlook.Folder inBox = (Outlook.Folder)
        Application.ActiveExplorer().Session.GetDefaultFolder
        (Outlook.OlDefaultFolders.olFolderInbox);
    string userName = (string)this.Application.ActiveExplorer()
        .Session.CurrentUser.Name;
    Outlook.Folder customFolder = null;
    try
    {
        customFolder = (Outlook.Folder)inBox.Folders.Add(userName,
            Outlook.OlDefaultFolders.olFolderInbox);
        MessageBox.Show("You have created a new folder named " +
            userName + ".");
        inBox.Folders[userName].Display();
    }
    catch (Exception ex)
    {
        MessageBox.Show("The following error occurred: " + ex.Message);
    }
}

See also

• Work with folders
• How to: Programmatically add an entry to Outlook contacts
• How to: Programmatically create appointments