/// <summary>
/// Read a version resource from a previously loaded module.
/// </summary>
/// <param name="hModule">Module handle.</param>
/// <param name="lpRes">Pointer to the beginning of the resource.</param>
/// <returns>Pointer to the end of the resource.</returns>
internal override IntPtr Read(IntPtr hModule, IntPtr lpRes)
{
_resources.Clear();
IntPtr pFixedFileInfo = _header.Read(lpRes);
if (_header.Header.wValueLength != 0)
{
_fixedfileinfo = new FixedFileInfo();
_fixedfileinfo.Read(pFixedFileInfo);
}
IntPtr pChild = ResourceUtil.Align(pFixedFileInfo.ToInt64() + _header.Header.wValueLength);
while (pChild.ToInt64() < (lpRes.ToInt64() + _header.Header.wLength))
{
ResourceTableHeader rc = new ResourceTableHeader(pChild);
switch (rc.Key)
{
case "StringFileInfo":
StringFileInfo sr = new StringFileInfo(pChild);
rc = sr;
break;
default:
rc = new VarFileInfo(pChild);
break;
}
_resources.Add(rc.Key, rc);
pChild = ResourceUtil.Align(pChild.ToInt64() + rc.Header.wLength);
}
return(new IntPtr(lpRes.ToInt64() + _header.Header.wLength));
}
/// <summary>
/// Read the resource header, return a pointer to the end of it.
/// </summary>
/// <param name="lpRes">Top of header.</param>
/// <returns>End of header, after the key, aligned at a 32 bit boundary.</returns>
internal virtual IntPtr Read(IntPtr lpRes)
{
_header = (Kernel32.RESOURCE_HEADER)Marshal.PtrToStructure(
lpRes, typeof(Kernel32.RESOURCE_HEADER));
IntPtr pBlockKey = new IntPtr(lpRes.ToInt64() + Marshal.SizeOf(_header));
_key = Marshal.PtrToStringUni(pBlockKey);
return(ResourceUtil.Align(pBlockKey.ToInt64() + (_key.Length + 1) * Marshal.SystemDefaultCharSize));
}
/// <summary>
/// Read a hardware independent dictionary of language and code page identifier tables.
/// </summary>
/// <param name="lpRes">Pointer to the beginning of data.</param>
/// <returns>Pointer to the end of data.</returns>
internal override IntPtr Read(IntPtr lpRes)
{
_vars.Clear();
IntPtr pChild = base.Read(lpRes);
while (pChild.ToInt64() < (lpRes.ToInt64() + _header.wLength))
{
VarTable res = new VarTable(pChild);
_vars.Add(res.Key, res);
pChild = ResourceUtil.Align(pChild.ToInt64() + res.Header.wLength);
}
return(new IntPtr(lpRes.ToInt64() + _header.wLength));
}
/// <summary>
/// Read a string resource.
/// </summary>
/// <param name="lpRes">Pointer to the beginning of a string resource.</param>
internal void Read(IntPtr lpRes)
{
_header = (Kernel32.RESOURCE_HEADER)Marshal.PtrToStructure(
lpRes, typeof(Kernel32.RESOURCE_HEADER));
IntPtr pKey = new IntPtr(lpRes.ToInt64() + Marshal.SizeOf(_header));
_key = Marshal.PtrToStringUni(pKey);
IntPtr pValue = ResourceUtil.Align(pKey.ToInt64() + (_key.Length + 1) * Marshal.SystemDefaultCharSize);
_value = ((_header.wValueLength > 0)
? Marshal.PtrToStringUni(pValue, _header.wValueLength)
: null);
}
