C#

public class MainForm : Form
{
  public static void Main(string[] args)
  {
    string filename = null;
    if (args.Length > 0) filename = args[0];
    Application.Run(new MainForm(filename));
  }
  public MainForm() : this(null)
  {
  }
  private string filename;
  public MainForm(string filename)
  {
    this.filename = filename;
  }
  public string Filename
  {
    get { return this.filename; }
    set { this.filename = value; }
  }
  // ...
}

<?xml version="1.0" encoding="utf-8" ?>
<root>
  <xsd:schema id="root" xmlns=""
    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
	xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
    <xsd:element name="root" msdata:IsDataSet="true">
      <xsd:complexType>
        <xsd:choice maxOccurs="unbounded">
          <xsd:element name="data">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string"
				  minOccurs="0" msdata:Ordinal="1" />
                <xsd:element name="comment" type="xsd:string"
				  minOccurs="0" msdata:Ordinal="2" />
              </xsd:sequence>
              <xsd:attribute name="name" type="xsd:string" />
              <xsd:attribute name="type" type="xsd:string" />
              <xsd:attribute name="mimetype" type="xsd:string" />
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="resheader">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element name="value" type="xsd:string"
				  minOccurs="0" msdata:Ordinal="1" />
              </xsd:sequence>
              <xsd:attribute name="name" type="xsd:string"
			    use="required" />
            </xsd:complexType>
          </xsd:element>
        </xsd:choice>
      </xsd:complexType>
    </xsd:element>
  </xsd:schema>
  <resheader name="ResMimeType">
    <value>text/microsoft-resx</value>
  </resheader>
  <resheader name="Version">
    <value>1.0.0.0</value>
  </resheader>
  <resheader name="Reader">
    <value>System.Resources.ResXResourceReader,
	  System.Windows.Forms, Version=1.0.3102.0, Culture=neutral,
	  PublicKeyToken=b77a5c561934e089</value>
  </resheader>
  <resheader name="Writer">
    <value>System.Resources.ResXResourceWriter,
	  System.Windows.Forms, Version=1.0.3102.0, Culture=neutral,
	  PublicKeyToken=b77a5c561934e089</value>
  </resheader>
  <data name="Value1">
    <value>ValueText1</value>
  </data>
  <data name="Value2">
    <value>ValueText2</value>
  </data>
</root>

OleDbConnection conn = new OleDbConnection(string.Format(
  "Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Mode=ReadWrite",
  txtDbPath.Text));
OleDbCommand cmd = conn.CreateCommand();
cmd.CommandText = "SELECT Name FROM MSysObjects WHERE Type = 1";
OleDbDataReader reader = null;
try
{
  conn.Open();
  reader = cmd.ExecuteReader();
  while (reader.Read())
  {
    Console.WriteLine(reader.GetString(0));
  }
}
catch (Exception e)
{
  // Providing something like this in your message would've helped us
  // determine what the problem was!
  Console.Error.WriteLine("An error occured: {0}", e.Message);
}
finally
{
  if (reader != null) reader.Close();
  conn.Close();
}