private void RefreshTextBoxes()
{
textBox1.Text = offset.FileOffset.ToString("X8");
textBox2.Text = offset.Rva.ToString("X8");
textBox3.Text = offset.Va.ToString("X16");
Section targetSection = Section.GetSectionByFileOffset(assembly, offset.FileOffset);
if (targetSection == null)
textBox4.Text = "";
else
textBox4.Text = targetSection.Name;
}