private void bTool_Click(object sender, EventArgs e) { if (!_techProcess.Material.CheckNotNull("Материал")) { return; } if (ToolService.SelectTool(_techProcess.MachineType.Value) is Tool tool) { _techProcess.Tool = tool; tbTool.Text = tool.ToString(); _techProcess.Frequency = ToolService.CalcFrequency(tool, _techProcess.MachineType.Value, _techProcess.Material.Value); sectionProfileTechProcessBindingSource.ResetBindings(false); } }