C#

public object ConvertTo(Type myType, object value) {
     // code...
     // value is an array
     object[] ret = Array.ConvertAll(value as object[], delegate(object o) { return Convert.ChangeType(o, t.GetElementType()); });
     return ret;
}

public object ConvertToStringArray(object value) {
     // code...
     // value is an array of anything
     string[] ret = (string[])Array.ConvertAll(value as object[], delegate(object o) { return o.ToString(); });
     return ret;
}

Type t = typeof(System.String);
// create an array of t? like string[] ?

private void printPreviewToolStripMenuItem_Click(object sender, EventArgs e)
        {
printPreviewDialog1.Document = this.printDocument1 ; // Attach PrintDocument to PrintPreview Dialog
            printPreviewDialog1.FormBorderStyle = FormBorderStyle.Fixed3D ;
            printPreviewDialog1.SetBounds(20, 20, this.Width, this.Height);

 if (printPreviewDialog1.ShowDialog()== DialogResult.OK)
            {
                 this.printDocument1.Print();
                
            }

private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e) 
{ 
Assessment.Update() 
}