/// <summary>
/// Allows to mark the selected task as completed (clear task flag for regular items)
/// </summary>
/// <param name="sender">Sender</param>
/// <param name="e">EventArgs</param>
private void mnuItemMarkComplete_Click(object sender, EventArgs e)
{
if (this.lstTasks.SelectedIndices.Count != 0)
{
OLTaskItem task = this.lstTasks.SelectedItems[0].Tag as OLTaskItem;
if (task != null && !task.Completed) // Attempting to complete an already completed task throws an exception
{
if (MessageBox.Show("Are you sure you want to complete this task?", "Mark task as completed/Clear task flag", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
if (task.OriginalItem is Outlook.MailItem)
{
Outlook.MailItem mail = task.OriginalItem as Outlook.MailItem;
mail.ClearTaskFlag();
}
else if (task.OriginalItem is Outlook.ContactItem)
{
Outlook.ContactItem contact = task.OriginalItem as Outlook.ContactItem;
contact.ClearTaskFlag();
}
else if (task.OriginalItem is Outlook.TaskItem)
{
Outlook.TaskItem t = task.OriginalItem as Outlook.TaskItem;
t.MarkComplete();
}
else
{
// Do nothing
}
}
// At the end, synchronously "refresh" tasks in case they have changed
this.RetrieveTasks();
}
}
}