private void btnFirma_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { if (firma == null) { firma = new frmFirmalar(); firma.MdiParent = this; firma.Show(); } }
private void btnFirmalar_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { if (frm3 == null || frm3.IsDisposed) { frm3 = new frmFirmalar(); frm3.MdiParent = this; frm3.Show(); } }