C#

 string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);<br />
            foreach (string file in files)<br />
            {             <br />
                Icon ico = Icon.ExtractAssociatedIcon(@file);<br />
                Image img = ico.ToBitmap();<br />
<br />
                ListViewItem lvi = new ListViewItem();<br />
                lvi.Text = "";<br />
                lvi.ImageList.Images.Add(img);<br />

   listView1.Items.Add(file);<br />
                       <br />
}<br />

public class PBC : PictureBox
{
    Testing Testing1;
    public PBC()
    {
        Testing1 = new Testing(this);
    }
    public Testing Testing
    {
        get { return Testing1; }
        set { Testing1 = value; }
    }
}
[TypeConverter(typeof(ProperyConverter))]
public class Testing
{
    Control Control = null;
    string textHolder = "";
    public Testing(Control control)
    {
        Control = control;
    }
    public bool IsInitiated
    {
        get { return Control != null; }
    }
    public string TextHolder
    {
        get { return textHolder; }
        set { textHolder = value; }
    }
}

public Testing()
{ }

Testing testing1 = new Testing();
testing1.TextHolder = "fgvhh";
this.pbc1.Testing = testing1;

this.pbc1.Testing.TextHolder = "A Test String";

private void ProcessOfficeDocument(string fileName) 
{ 
    DSOFile.OleDocumentPropertiesClass docDSO = new DSOFile.OleDocumentPropertiesClass(); 
    string docTitle = null; 
    string docModified = null; 
    string docAuthor = null; 
    string docKeywords = null; 
    try { 
        docDSO.Open(fileName, true); 
        DSOFile.SummaryProperties docSummary = docDSO.SummaryProperties; 
        docTitle = docSummary.Title; 
        docAuthor = docSummary.Author; 
        docKeywords = docSummary.Keywords; 
        docModified = (string)docSummary.DateLastSaved; 
        
        if ((!string.IsNullOrEmpty(docTitle))) { 
            _Title = docTitle; 
        } 
        
        if ((!string.IsNullOrEmpty(docAuthor))) { 
            _Author = docAuthor; 
        } 
        
        if ((!string.IsNullOrEmpty(docModified))) { 
            _DateModified = DateTime.Parse(docModified); 
        } 
    } 
    
    catch (Exception ex) { 
    } 
    //Do whatever you need to do here...' 
    finally { 
        if (((docDSO != null))) { 
            docDSO.Close(); 
        } 
    } 
}