public static void AskUserForFolder(Outlook.NavigationGroups nav,
Action <Outlook.NavigationFolder, bool> SuccessCallback,
System.Action CancelCallback)
{
var t = new Thread(() =>
{
SelectFolderForm frm = new SelectFolderForm(nav);
frm.ShowDialog();
// TODO: get the hwnd for this instance of outlook
// NOTE: looks like this is not possible, we could easily
// attach to the wrong explorer in the right process
// and end up focusing a window poorly and confusing the user
app.Run(); // NOTE: Run() will block until Exit()
if (frm.DialogResult == DialogResult.OK)
{
SuccessCallback(frm.Result, frm.chk.Checked);
}
else
{
CancelCallback();
}
});
t.SetApartmentState(ApartmentState.STA); // Required for UI
t.Start();
}
private void SelectFolder(Action <NavigationFolder> Callback)
{
var exp = this.Application.ActiveExplorer();
var nav = (TasksModule)exp.NavigationPane.Modules.GetNavigationModule(OlNavigationModuleType.olModuleTasks);
NavigationFolder def = LoadDefaultFolder(nav.NavigationGroups);
if (def != null)
{
// if CTRL is down, always display the selection dialog
if (!IsKeyPushedDown(Keys.ControlKey))
{
Callback(def);
return;
}
}
// We don't have a default selection, so invoke the selection dialog
SelectFolderForm.AskUserForFolder(nav.NavigationGroups,
(folder, save) => // success
{
try
{
if (save)
{
SaveDefaultFolder(nav.NavigationGroups, folder);
}
else
{
// NOTE: clear out the old folder, since this might be an
// override using CTRL, and we'll need to respect new settings
ClearDefaultFolder();
}
}
catch (System.Exception ex)
{
// if we can't save, just log the error and continue
Debug.WriteLine(ex);
}
Callback(folder);
},
() => // cancelled
{
// the user canceled the dialog
}
);
}