I have an Outlook add-in and it works fine. But, on the Outlook loading, my add-in shuts down and i got an error
Retrieving the COM class factory for component with CLSID {0006F03A-0000-0000-C000-000000000046} failed due to the following error: 80080005 Server execution failed (Exception from HRESULT: 0x80080005 (CO_E_SERVER_EXEC_FAILURE)).
There is the code of my Addin load
Explorer thisExplorer;
public static Outlook.Application application;
Logger _logger = LogManager.GetCurrentClassLogger();
private void ThisAddIn_Startup(object sender, System.EventArgs e)
{
if (AppConfig.LoadConfigurations())
{
string nlogConfigFile = AppConfig.GetConfig<string>("NLogConfig");
LogManager.Configuration = new NLog.Config.XmlLoggingConfiguration(nlogConfigFile, true);
_logger.Info("***************************NEW SESSION*******************************");
//https://stackoverflow.com/questions/46487050/c-sharp-get-running-outlook-instance-in-vsto-add-in
application = new Outlook.Application();
/*
System.Diagnostics.Process[] processes = System.Diagnostics.Process.GetProcessesByName("OUTLOOK");
int collCount = processes.Length;
if (collCount != 0)
{
// Outlook already running, hook into the Outlook instance
application = Marshal.GetActiveObject("Outlook.Application") as Outlook.Application;
}
else
{
application = new Outlook.Application();
}
*/
thisExplorer = Application.ActiveExplorer();
thisExplorer.SelectionChange += new ExplorerEvents_10_SelectionChangeEventHandler(ApplicationExplorer_SelectionChanged);
}
else
{
MessageBox.Show("Failed to load configurations");
}
}
As I wrote in my code, I commented out the Outlook processes count based on this
Uncommenting it will cause another error
Operation unavailable (Exception from HRESULT: 0x800401E3 (MK_E_UNAVAILABLE))
After my Outlook loaded, I enable my add-in through the menu and it works wonderful.
So, how can i resolve the loading issue?
Thanks guys
Do not create a new instance of the Outlook.Application
object (it will be crippled by the security patch anyway) - you get that object for free: use Globals.ThisAddIn.Application
.
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