private void _TextBoxHeureFin_TextChanged(object sender, TextChangedEventArgs e)
 {
     if (this._textBoxHeureFin.Text.Trim().Length == 5 && this._textBoxHeureFin.Text.Substring(0,1) != "x")
     {
         Verifications tmp = new Verifications();
         tmp.TextBoxHeureObligatoire(this._textBoxHeureFin, this._textBlockHeureFin);
         this.Verif_TextBoxHeureFin();
     }
 }
 private void _TextBoxHeureFin_LostFocus(object sender, RoutedEventArgs e)
 {
     if (this._textBoxHeureFin.Text.Trim().Length != 0)
     {
         if (this._textBoxHeureFin.Text.Substring(0, 1) != "x")
         {
             this._textBoxHeureFin.Text = Verif_Format_Heure(this._textBoxHeureFin.Text);
             Verifications tmp = new Verifications();
             tmp.TextBoxHeureObligatoire(this._textBoxHeureFin, this._textBlockHeureFin);
             this.Verif_TextBoxHeureFin();
         }
     }
 }