/// <summary>
/// Gets the File Version Information that is stored as a resource in the PE file. (This is what the
/// version tab a file's property page is populated with).
/// </summary>
public FileVersionInfo?GetFileVersionInfo()
{
ResourceEntry?versionNode = Resources.Children.FirstOrDefault(r => r.Name == "Version");
if (versionNode is null || versionNode.ChildCount != 1)
{
return(null);
}
versionNode = versionNode.Children[0];
if (!versionNode.IsLeaf && versionNode.ChildCount == 1)
{
versionNode = versionNode.Children[0];
}
int size = versionNode.Size;
if (size < 16) // Arbitrarily small value to ensure it's non-zero and has at least a little data in it
{
return(null);
}
byte[] buffer = ArrayPool <byte> .Shared.Rent(size);
try
{
int count = versionNode.GetData(buffer);
return(new FileVersionInfo(buffer.AsSpan(0, count)));
}
finally
{
ArrayPool <byte> .Shared.Return(buffer);
}
}
internal ResourceEntry(PEImage image, ResourceEntry?parent, string name, bool leaf, int offset)
{
Image = image;
Parent = parent;
Name = name;
IsLeaf = leaf;
_offset = offset;
}
/// <summary>
/// Gets the File Version Information that is stored as a resource in the PE file. (This is what the
/// version tab a file's property page is populated with).
/// </summary>
public FileVersionInfo?GetFileVersionInfo()
{
ResourceEntry?versionNode = Resources.Children.FirstOrDefault(r => r.Name == "Version");
if (versionNode == null || versionNode.Children.Count != 1)
{
return(null);
}
versionNode = versionNode.Children[0];
if (!versionNode.IsLeaf && versionNode.Children.Count == 1)
{
versionNode = versionNode.Children[0];
}
int size = versionNode.Size;
if (size <= FileVersionInfo.DataOffset)
{
return(null);
}
byte[] buffer = ArrayPool <byte> .Shared.Rent(size);
try
{
int count = versionNode.GetData(buffer);
Span <byte> span = new Span <byte>(buffer, 0, count);
FileVersionInfo result = new FileVersionInfo(span);
return(result);
}
finally
{
ArrayPool <byte> .Shared.Return(buffer);
}
}