private static void TestMyStruct()
{
Console.WriteLine(MethodBase.GetCurrentMethod().Name);
MyStruct foo = new MyStruct();
var resA1 = foo.GetAnnotation <MyStruct>();
var resA2 = foo.GetAnnotation <MyStruct>(nameof(MyStruct.MyString));
var resA3 = foo.GetAnnotation <MyStruct>("MyField");
Console.WriteLine($"{nameof(resA1)}: {resA1}");
Console.WriteLine($"{nameof(resA2)}: {resA2}");
Console.WriteLine($"{nameof(resA3)}: {resA3}");
foo = new MyStruct();
var resB1 = foo.GetAnnotation <MyStruct>();
var resB2 = foo.GetAnnotation <MyStruct>(nameof(MyStruct.MyString));
var resB3 = foo.GetAnnotation <MyStruct>("MyField");
Console.WriteLine($"{nameof(resB1)}: {resB1}");
Console.WriteLine($"{nameof(resB2)}: {resB2}");
Console.WriteLine($"{nameof(resB3)}: {resB3}");
var resC1 = typeof(MyStruct).GetAnnotation();
var resC2 = foo.GetType().GetAnnotation();
var resC3 = typeof(MyStruct).GetAnnotation("MyString");
var resC4 = foo.GetType().GetAnnotation("MyString");
Console.WriteLine($"{nameof(resC1)}: {resC1}");
Console.WriteLine($"{nameof(resC2)}: {resC2}");
Console.WriteLine($"{nameof(resC3)}: {resC3}");
Console.WriteLine($"{nameof(resC4)}: {resC4}");
}
static void Main()
{
var s = new MyStruct();
s.GetType().GetField("Field").SetValueDirect(__makeref(s), 5);
System.Console.WriteLine(s.Field); //Prints 5
}
public static void PrintStructProperties(MyStruct s)
{
// NOTE: This code will not handle indexer properties...
var publicProperties = s.GetType().GetProperties();
foreach (var prop in publicProperties)
{
Console.WriteLine("{0} = {1}", prop.Name, prop.GetValue(s, null));
}
}
public void Run()
{
MyStruct s = new MyStruct();
TestApi.WriteLine(s.GetType().ToString());
TestApi.WriteLine(s.ToString());
MyEnum e = MyEnum.Default;
//TestApi.WriteLine(e.CompareTo(e).ToString());
TestApi.WriteLine(e.GetTypeCode().ToString());
TestApi.WriteLine(e.ToString());
}
private static MyStruct FromArray(int[] arr)
{
IntPtr ptr = IntPtr.Zero;
try
{
MyStruct str = new MyStruct();
int size = GetInt32ArraySize(str);
ptr = Marshal.AllocHGlobal(size);
Marshal.Copy(arr, 0, ptr, size);
str = (MyStruct)Marshal.PtrToStructure(ptr, str.GetType());
return(str);
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
