问Outlook mailItem全屏

EN

Outlook.Application outlookApp = new Outlook.Application();
Outlook.MailItem mailItem = (Outlook.MailItem)outlookApp.CreateItem(Outlook.OlItemType.olMailItem);
mailItem.Subject = mailSubject;
mailItem.Attachments.Add(totalPath);
mailItem.Body = mailBody;
mailItem.Importance = Outlook.OlImportance.olImportanceNormal;


//Edit:
mailItem.Open += new Microsoft.Office.Interop.Outlook.ItemEvents_10_OpenEventHandler(mailItem_open(mailItem));

mailItem.Display(true);
outlookApp.ItemSend += new Microsoft.Office.Interop.Outlook.ApplicationEvents_11_ItemSendEventHandler(OutlookApplication_ItemSend);

private static Outlook.ItemEvents_10_OpenEventHandler mailItem_open(Outlook.MailItem mailItem)
    {
        mailItem.GetInspector.WindowState = Outlook.OlWindowState.olMaximized;
        return null;
    }