private void ToolCliente_Click(object sender, EventArgs e) { //frnCliente frm = new frnCliente(); //frm.MdiParent = this; //OpenSubForm(frm); Form childForm = null; foreach (Form f in this.MdiChildren) { if (f is frmCliente) { childForm = (frmCliente)f; break; } else { f.WindowState = FormWindowState.Minimized; f.Show(); } } if (childForm != null) { childForm.Focus(); childForm.BringToFront(); childForm.WindowState = FormWindowState.Normal; } else { childForm = new frmCliente(); childForm.MdiParent = this; OpenSubForm(childForm); } }
private void btnCliente_Click(object sender, EventArgs e) { frmCliente frm = new frmCliente(); frm.ShowDialog(); }