C#

using(StreamWriter tw = new StreamWriter(_documentName))
{
    // ...
}

sonya_rbi wrote:

I have even closed tw

namespace Sensor_Controller_User_Interface
{
    /// <summary>
    /// Interaction logic for SerialSettingsWindow.xaml
    /// </summary>
    public partial class SerialSettingsWindow : Window
    {
        private string tempComPort;
        private int tempBaudRate;
        private System.Collections.ArrayList portList;

        /// <summary>
        /// A window dialog to get com port settings for the serial port interface.
        /// 
        /// I ended up implementing the two list boxes in different ways. The PortListBox needs to be
        /// updated with the com ports available on a specific machine using the GetPortList() method,
        /// I couldn't get data binding on the selected item to work when doing this so I have implemented
        /// it in code. This is not an especially big deal but perhaps not as elegant as it could be. The
        /// BaudRateList is just a data binding to a list of number strings in the XAML, this seems to work
        /// fine but maybe there is a way to test the selected COM port and create a list of baud rates that
        /// reflects what the adaptor supports.
        /// </summary>
        public SerialSettingsWindow()
        {
            InitializeComponent();
            
            // Create the ObservableCollection supporting ArrayList and fill it
            portList = new System.Collections.ArrayList(16);
            foreach (string port in System.IO.Ports.SerialPort.GetPortNames())
            {
                portList.Add(port);
            }

            // Record the current values of the properties in case we decide to cancel.
            // This is only important when the data binding is working as the properties
            // gets updated automatically so it has no impact on the ComPortList at the moment.
            tempComPort = Properties.Settings.Default.SerialInterfaceComPort;
            tempBaudRate = Properties.Settings.Default.SerialInterfaceBaudRate;

            // Set the ItemSource and get the SelectedIndex by searching the ArrayList
            comPortListBox.ItemsSource = portList;
            comPortListBox.SelectedItem = Properties.Settings.Default.SerialInterfaceComPort;

            // BaudRateList binds directly to the application properties file
            baudRateListBox.DataContext = Properties.Settings.Default;
        }


        private void cancelButton_Click(object sender, RoutedEventArgs e)
        {
            // Reset the selected values
            Properties.Settings.Default.SerialInterfaceComPort = tempComPort;
            Properties.Settings.Default.SerialInterfaceBaudRate = tempBaudRate;
            Properties.Settings.Default.Save();
            this.Close();
        }

        private void doneButton_Click(object sender, RoutedEventArgs e)
        {
            // Manually update the properties value for the ComPort and Save
            Properties.Settings.Default.SerialInterfaceComPort = comPortListBox.SelectionBoxItem.ToString();
            Properties.Settings.Default.Save();
            this.Close();
        }
    }
}

benjamin yap wrote:

i wan to create on a c# application. not a .net application

benjamin yap wrote:

issit possible?

benjamin yap wrote:

can give me some hints on how should i start

foreach (DataGridView row in myDataGridView)
{
   Row.Visible = PassesFilter (row);
}

int VisibleRows = myDataGridView.Rows.Count;
foreach (DataGridView row in myDataGridView)
{
   if(!PassesFilter (row)){
   Row.Visible = false;
   VisibleRows--;
   }
}

button x = (button)sender;