private void barButtonItem6_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { if (ty == null || ty.IsDisposed) { ty = new TalepYeni(); ty.MdiParent = this; ty.Show(); } }
public void talepyeni() { if (tay == null || tay.IsDisposed) { tay = new TalepYeni(); tay.MdiParent = this; tay.Show(); } }