Question

 public partial class Form1 : Form
{

    String Path1 = Application.StartupPath + "\\component.xml";
    XmlDataDocument xmlDatadoc = new XmlDataDocument();

    public Form1()
    {
        InitializeComponent();
    }

    XmlDocument dom;
    TreeNode tNode;
    const int NORM_UI = 0;
    const int SELECTED_UI = 1;

    private void Form1_Load(object sender, EventArgs e)
    {

        this.treeview();
    }

  public void treeview()
    {
        try
        {

            dom = new XmlDocument();
            dom.Load(Path1);


            treeView1.Nodes.Clear();
            treeView1.Nodes.Add(new TreeNode(dom.DocumentElement.Name));
            tNode = new TreeNode();
            tNode = treeView1.Nodes[0];
            tNode.ForeColor = Color.Blue;



            AddNode(dom.DocumentElement, tNode, NORM_UI, -1);
        }
        catch (XmlException xmlEx)
        {
            MessageBox.Show(xmlEx.Message);
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message);
        }

    }

i want to call this treeview () method when button 2 click in following form please help me

 public partial class TabPageEntry_Form2 : Form
{
    public TabPageEntry_Form2()
    {
        InitializeComponent();
    }



    private void button2_Click(object sender, EventArgs e)
    {

    }

Answer 1

The treeview() is an instance method so you need to create an object of Form1

Form1 frm=new Form1();
frm.treeview();