private void btnRehber_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (rehber == null)
{
rehber = new frmRehber();
rehber.MdiParent = this;
rehber.Show();
}
}
private void btnRehber_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (frm5 == null || frm5.IsDisposed)
{
frm5 = new frmRehber();
frm5.MdiParent = this;
frm5.Show();
}
}