/// <summary>
/// Ouvre le TriggerManager
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnChoose_Click(object sender, EventArgs e)
{
_Service.SaveVariables();
FormsManager.Instance.VariableManager.FormClosed += new FormClosedEventHandler(VariableManager_FormClosed);
FormsManager.Instance.VariableManager.SelectedVariable = VariableGuid;
FormsManager.Instance.VariableManager.ShowDialog(this);
}