private void OuvrePostit()
{
if (Application.OpenForms["EvenementsListForm"] == null)
{
if (evenementsListForm.IsDisposed == true)
{
EvenementsListForm evenementsListForm = new EvenementsListForm();
evenementsListForm.MdiParent = this;
evenementsListForm.Show();
this.LayoutMdi(MdiLayout.TileHorizontal);
}
else
{
evenementsListForm.MdiParent = this;
evenementsListForm.Show();
this.LayoutMdi(MdiLayout.TileHorizontal);
}
}
else
{
evenementsListForm.Activate();
}
}
