public static void t2()
{
MyArrayStruct myStruct = new MyArrayStruct();
myStruct.flag = false;
myStruct.vals = new int[3];
myStruct.vals[0] = 1;
myStruct.vals[1] = 4;
myStruct.vals[2] = 9;
TestArrayInStruct(ref myStruct);
Console.WriteLine("\n------t2--------:");
Console.WriteLine(myStruct.flag);
Console.WriteLine("{0} {1} {2}", myStruct.vals[0], myStruct.vals[1], myStruct.vals[2]);
}
public static void Main()
{
// Structure with a pointer to another structure.
MyPerson personName;
personName.first = "Mark";
personName.last = "Lee";
MyPerson2 personAll;
personAll.age = 30;
IntPtr buffer = Marshal.AllocCoTaskMem(Marshal.SizeOf(personName));
Marshal.StructureToPtr(personName, buffer, false);
personAll.person = buffer;
Console.WriteLine("\nPerson before call:");
Console.WriteLine("first = {0}, last = {1}, age = {2}",
personName.first, personName.last, personAll.age);
int res = LibWrap.TestStructInStruct(ref personAll);
MyPerson personRes =
(MyPerson)Marshal.PtrToStructure(personAll.person,
typeof(MyPerson));
Marshal.FreeCoTaskMem(buffer);
Console.WriteLine("Person after call:");
Console.WriteLine("first = {0}, last = {1}, age = {2}",
personRes.first, personRes.last, personAll.age);
// Structure with an embedded structure.
MyPerson3 person3 = new MyPerson3();
person3.person.first = "John";
person3.person.last = "Evans";
person3.age = 27;
LibWrap.TestStructInStruct3(person3);
// Structure with an embedded array.
MyArrayStruct myStruct = new MyArrayStruct();
myStruct.flag = false;
myStruct.vals = new int[3];
myStruct.vals[0] = 1;
myStruct.vals[1] = 4;
myStruct.vals[2] = 9;
Console.WriteLine("\nStructure with array before call:");
Console.WriteLine(myStruct.flag);
Console.WriteLine("{0} {1} {2}", myStruct.vals[0],
myStruct.vals[1], myStruct.vals[2]);
LibWrap.TestArrayInStruct(ref myStruct);
Console.WriteLine("\nStructure with array after call:");
Console.WriteLine(myStruct.flag);
Console.WriteLine("{0} {1} {2}", myStruct.vals[0],
myStruct.vals[1], myStruct.vals[2]);
}
public static extern int TestArrayInStruct(ref MyArrayStruct myStruct);