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();
}
public SelectFolderForm(Outlook.NavigationGroups groups)
{
InitializeComponent();
ColumnHeader col = new ColumnHeader();
col.Width = lsv.Width - lsv.Margin.Left - lsv.Margin.Right;
lsv.Columns.Add(col);
lsv.View = View.Details;
foreach (Outlook.NavigationGroup group in groups)
{
ListViewGroup lvg = new ListViewGroup(group.Name);
lsv.Groups.Add(lvg);
foreach (Outlook.NavigationFolder folder in group.NavigationFolders)
{
lsv.Items.Add(new ListViewItem
{
Text = folder.DisplayName,
Group = lvg,
Tag = folder
});
}
}
btn.Enabled = false; // nothing is selected yet
lsv.SelectedIndexChanged += (_, __) =>
{
btn.Enabled = lsv.SelectedItems.Count > 0;
};
lsv.DoubleClick += (s, e) =>
{
if (btn.Enabled)
{
btn_Click(null, null);
}
};
FormClosing += (_, __) => app.Exit();
}
