private void UpdateHexView()
{
int cbData = (m_bDataExpanded ? m_pbData.Length :
Math.Min(m_pbData.Length, 16 * 256));
const int cbGrp = 4;
const int cbLine = 16;
int iMaxAddrWidth = Convert.ToString(Math.Max(cbData - 1, 0), 16).Length;
int cbDataUp = cbData;
if ((cbDataUp % cbLine) != 0)
{
cbDataUp = cbDataUp + cbLine - (cbDataUp % cbLine);
}
Debug.Assert(((cbDataUp % cbLine) == 0) && (cbDataUp >= cbData));
StringBuilder sb = new StringBuilder();
for (int i = 0; i < cbDataUp; ++i)
{
if ((i % cbLine) == 0)
{
sb.Append(Convert.ToString(i, 16).ToUpper().PadLeft(
iMaxAddrWidth, '0'));
sb.Append(": ");
}
if (i < cbData)
{
byte bt = m_pbData[i];
byte btHigh = (byte)(bt >> 4);
byte btLow = (byte)(bt & 0x0F);
if (btHigh >= 10)
{
sb.Append((char)('A' + btHigh - 10));
}
else
{
sb.Append((char)('0' + btHigh));
}
if (btLow >= 10)
{
sb.Append((char)('A' + btLow - 10));
}
else
{
sb.Append((char)('0' + btLow));
}
}
else
{
sb.Append(" ");
}
if (((i + 1) % cbGrp) == 0)
{
sb.Append(' ');
}
if (((i + 1) % cbLine) == 0)
{
sb.Append(' ');
int iStart = i - cbLine + 1;
int iEndExcl = Math.Min(iStart + cbLine, cbData);
for (int j = iStart; j < iEndExcl; ++j)
{
sb.Append(StrUtil.ByteToSafeChar(m_pbData[j]));
}
sb.AppendLine();
}
}
if (cbData < m_pbData.Length)
{
sb.AppendLine(m_strDataExpand);
}
SetRtbData(sb.ToString(), false, true);
if (cbData < m_pbData.Length)
{
int iLinkStart = m_rtbText.Text.LastIndexOf(m_strDataExpand);
if (iLinkStart >= 0)
{
m_rtbText.Select(iLinkStart, m_strDataExpand.Length);
UIUtil.RtfSetSelectionLink(m_rtbText);
m_rtbText.Select(0, 0);
}
else
{
Debug.Assert(false);
}
}
}
