GetStructLayoutCustomAttribute()

static StructLayoutAttribute System.Reflection.PseudoCustomAttribute.GetStructLayoutCustomAttribute ( RuntimeType type )

inlinestaticpackage

Definition at line 321 of file PseudoCustomAttribute.cs.

    {
        if (type.IsInterface || type.HasElementType || type.IsGenericParameter)
        {
            return null;
        }
        LayoutKind layoutKind = LayoutKind.Auto;
        switch (type.Attributes & TypeAttributes.LayoutMask)
        {
        case TypeAttributes.ExplicitLayout:
            layoutKind = LayoutKind.Explicit;
            break;
        case TypeAttributes.NotPublic:
            layoutKind = LayoutKind.Auto;
            break;
        case TypeAttributes.SequentialLayout:
            layoutKind = LayoutKind.Sequential;
            break;
        }
        CharSet charSet = CharSet.None;
        switch (type.Attributes & TypeAttributes.StringFormatMask)
        {
        case TypeAttributes.NotPublic:
            charSet = CharSet.Ansi;
            break;
        case TypeAttributes.AutoClass:
            charSet = CharSet.Auto;
            break;
        case TypeAttributes.UnicodeClass:
            charSet = CharSet.Unicode;
            break;
        }
        type.GetRuntimeModule().MetadataImport.GetClassLayout(type.MetadataToken, out var packSize, out var classSize);
        if (packSize == 0)
        {
            packSize = 8;
        }
        StructLayoutAttribute structLayoutAttribute = new StructLayoutAttribute(layoutKind);
        structLayoutAttribute.Pack = packSize;
        structLayoutAttribute.Size = classSize;
        structLayoutAttribute.CharSet = charSet;
        return structLayoutAttribute;
    }

References System.type.