private void InitializeCommonEvents()
{
this.comboBoxCommonEvent.BeginUpdate();
this.comboBoxCommonEvent.Items.Clear();
this.comboBoxCommonEvent.Items.Add("<None>");
foreach (CommonEvent commonEvent in Project.Data.CommonEvents)
{
if (commonEvent != null)
this.comboBoxCommonEvent.Items.Add(commonEvent.ToString());
}
this.comboBoxCommonEvent.EndUpdate();
}