The proposed VB5 table

vb56head.cs

//
// (C) CoffeeLake 2024-2025
// 15th section (as far as I know, ".text") 
// stores Visual Basic 5.0 VM information. Nowdays 15th section stores Cor20 .NET data 
//
public struct VbHeaderStart
{
    public Byte Ia32PushCode;
    public UInt32 PushAddress; // <- This address is a pointer to the VbHeader
    public Byte Ia32CallCode;  //    structure.
    public UInt32 CallAddress;
}

[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct VbHeader
{
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
    public Char[] VbMagic;
    public UInt16 RuntimeBuild;
    public UInt64 LanguageDll;
    public UInt64 SecondLanguageDll;
    public UInt16 RuntimeRevision;
    public UInt32 LanguageId;
    public UInt32 SecondLanguageId;
    public UInt32 SubMainPointer;
    public UInt32 ProjectDataPointer;
    public UInt32 IntegerCtlsFlagLow;
    public UInt32 IntegerCtlsFlagHigh;
    public UInt32 ThreadFlags;
    public UInt32 ThreadCount;
    public UInt16 FormCtlsCount;
    public UInt16 ExternalCtlsCount;
    public UInt32 ThunkCount;
    public UInt32 GuiTablePointer;
    public UInt32 ExternalTablePointer;
    public UInt32 ComRegisterDataPointer;
    public UInt32 ProjectDescriptionOffset;
    public UInt32 ProjectExeNameOffset;
    public UInt32 ProjectHelpOffset;
    public UInt32 ProjectNameOffset;
}