private void BtnIstatistik_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (fr4 == null || fr4.IsDisposed)
{
fr4 = new Formlar.FrmIstatistik();
fr4.MdiParent = this;
fr4.Show();
}
}
private void BtnIstatistik_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
Formlar.FrmIstatistik fr = new Formlar.FrmIstatistik();
fr.MdiParent = this;
fr.Show();
}