private void btnEdit_Click(object sender, EventArgs e)
{
if (slvTasks.SelectedItems.Count < 1) return;
Task t = (Task) slvTasks.SelectedItems[0].Tag;
TaskEditor editor = new TaskEditor(t);
editor.ShowDialog();
}
private void btnNew_Click(object sender, EventArgs e)
{
TaskEditor editor = new TaskEditor();
editor.ShowDialog();
}