/// <summary>
/// Efface l'affichage du mail courant
/// </summary>
private void ClearCurrentMail()
{
I_CurrentMailFrom.Text = "";
I_CurrentMailTo.Text = "";
I_CurrentMailCc.Text = "";
I_CurrentMailSubject.Text = "";
WB_CurrentMailBody.Navigate((Uri)null);
gCurrentMail = null;
gCurrentMailSummary = null;
hideMailControls();
IT_InboxMessages.SelectedIndex = -1;
}