AsmResolver.HexBoxControl.vaOffsetBox_Leave C# (CSharp) Метод

        void vaOffsetBox_Leave(object sender, EventArgs e)
        {
            try
            {
                uint vaOffset = uint.Parse(vaOffsetBox.Text, NumberStyles.HexNumber);
                Section targetSection = Section.GetSectionByRva(assembly, (uint)(vaOffset - assembly.NTHeader.OptionalHeader.ImageBase));
                OffsetConverter converter;
                if (targetSection == null)
                {
                    converter = new OffsetConverter(assembly);
                    targetSectionLabel.Text = "Target Section: ";
                }
                else
                {
                    converter = new OffsetConverter(targetSection);
                    targetSectionLabel.Text = "Target Section: " + targetSection.Name;
                }
                uint fileOffset = converter.VaToFileOffset(vaOffset);
                fileOffsetBox.Text = fileOffset.ToString("X8");
                rvaOffsetBox.Text = converter.VaToRva(vaOffset).ToString("X8");
                hexBox.Select(fileOffset, 1);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }