C#

<br />
string[] toto = new string[3];<br />
// ...<br />
// ... Muck with the array's values<br />
// ...<br />
<br />
string[] newToto = new string[4];<br />
Array.Copy(toto, 0, newToto, 0, toto.Length); // Here's the "preserve" part<br />
toto = newToto;<br />
newToto = null; // Not always necessary<br />

public class FirstForm : Form
{
  // ...
  private void btnSecondForm_Click(object sender, EventArgs e)
  {
    // For example, pass a referenec to "this" form into the constructor for
    // the second form.
    using (SecondForm form = new SecondForm(this))
    {
      form.ShowDialog(this);
    }
  }
  // Gets the ListView declared and initialized in this class.
  internal ListView TheListView
  {
    get { return theListView; }
  }
}
internal class SecondForm : Form
{
  // ...
  private FirstForm parent;
  public SecondForm(FirstForm parent)
  {
    this.parent = parent;
  }
  private void btnOK_Click(object sender, EventArgs e)
  {
    ListView view = parent.TheListView;
    if (view != null)
    {
      // Fill "view" with data.
      this.DialogResult = DialogResult.OK; // Closes form, too.
    }
  }
}

ds.ReadXml(@"c:\testnodes.xml");<br />
dataGrid1.DataSource = ds;<br />
dataGrid1.DataMember = "library";<br />
<br />
DataGridTableStyle ts1 = new DataGridTableStyle();<br />
ts1.MappingName = "library";<br />
DataGridColumnStyle Col = new DataGridTextBoxColumn();<br />
Col.MappingName = "fullname";<br />
Col.HeaderText = "IsCurrent Customer";<br />
Col.Width = 150;<br />
ts1.GridColumnStyles.Add(Col);<br />
<br />
DataGridColumnStyle boolCol = new DataGridBoolColumn();<br />
boolCol.MappingName = "super";<br />
boolCol.HeaderText = "IsCurrent Customer";<br />
boolCol.Width = 150;<br />
ts1.GridColumnStyles.Add(boolCol);<br />
<br />
DataGridColumnStyle TextCol = new DataGridTextBoxColumn();<br />
TextCol.MappingName = "loadorder";<br />
TextCol.HeaderText = "Customer Name";<br />
TextCol.Width = 250;<br />
ts1.GridColumnStyles.Add(TextCol);<br />
<br />
dataGrid1.TableStyles.Add(ts1);