public static void Run()
{
Console.WriteLine("----- String marshalling samples -----");
MarshallingSampleNative.CountBytesInString(null); // returns -1
MarshallingSampleNative.CountBytesInString("some string"); // returns 11
}
public static void Run()
{
Console.WriteLine("----- Int32 marshalling samples -----");
// Always start with the same value.
const int initialValue = 7;
int value;
// Pass Int32 argument by value.
value = initialValue;
MarshallingSampleNative.AcceptInt32Argument(value); // returns 7
// Pass Int32 argument by refernece.
value = initialValue;
MarshallingSampleNative.AcceptInt32ByRefArgument(ref value); // returns 7
// Get Int32 out parameter.
MarshallingSampleNative.GetInt32OutArgument(out value); // sets value to 9
// Pass Int32 in-out argument by reference.
value = initialValue;
MarshallingSampleNative.ModifyInt32InOutArgument(ref value);
// Return Int32 value.
value = MarshallingSampleNative.ReturnInt32Argument(initialValue);
}
public static void Run()
{
Console.WriteLine("----- Enum marshalling samples -----");
// return 2
int count = MarshallingSampleNative.CountEnumFlags(
MarshallingSampleNative.EnumFlags.A | MarshallingSampleNative.EnumFlags.C);
}
public static void Run()
{
Console.WriteLine("----- GUID marshalling samples -----");
Guid a = new Guid("11111111-2222-3333-4444-556677889900");
Guid b = new Guid("aaaaaaaa-bbbb-cccc-dddd-eeff77889900");
MarshallingSampleNative.CompareGuids(a, b); // returns 0
MarshallingSampleNative.CompareGuids(a, a); // returns 1
Guid inOutRef = Guid.Empty;
Guid outRef;
Guid result = MarshallingSampleNative.CountZeroGuids(a, Guid.Empty, ref b, ref inOutRef, out outRef);
}
public static void Run()
{
Console.WriteLine("----- Boolean marshalling samples -----");
const bool initialValue = true;
bool value;
// Pass boolean by value and masrshal it as "Windows" BOOL - which is 32bit int.
value = initialValue;
MarshallingSampleNative.AcceptBOOLArgument(value); // returns 1
MarshallingSampleNative.AcceptBOOLArgument(false); // returns 0
// Pass boolean by reference
value = initialValue;
MarshallingSampleNative.AcceptBOOLByRefArgument(ref value);
// Get boolean out parameter
MarshallingSampleNative.GetBOOLOutArgument(out value); // sets value to false
// Pass boolean in-out argument by reference.
value = initialValue;
MarshallingSampleNative.ModifyBOOLInOutArgument(ref value); // sets value to false
// Return boolean value.
value = MarshallingSampleNative.ReturnBOOLArgument(value);
// Marshal boolean value in various ways
int count;
value = initialValue;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
count = MarshallingSampleNative.CountTrueValuesWindows(!value, value, !value, value); // returns 2
}
else
{
count = MarshallingSampleNative.CountTrueValues(!value, value, !value); // returns 1
}
}
public static void Run()
{
Console.WriteLine("----- Numeric marshalling samples -----");
{ // byte
// Result is 6, both inOutRef and outRef are also set to 6
byte inRef = 2, inOutRef = 3, outRef;
byte result = MarshallingSampleNative.SumBytes(1, ref inRef, ref inOutRef, out outRef);
}
{ // sbyte
// Result is -6, both inOutRef and outRef are also set to -6
sbyte inRef = -2, inOutRef = -3, outRef;
sbyte result = MarshallingSampleNative.SumSBytes(-1, ref inRef, ref inOutRef, out outRef);
}
{ // ushort
// Result is 6, both inOutRef and outRef are also set to 6
ushort inRef = 2, inOutRef = 3, outRef;
ushort result = MarshallingSampleNative.SumUShorts(1, ref inRef, ref inOutRef, out outRef);
}
{ // short
// Result is -6, both inOutRef and outRef are also set to -6
short inRef = -2, inOutRef = -3, outRef;
short result = MarshallingSampleNative.SumShorts(-1, ref inRef, ref inOutRef, out outRef);
}
{ // uint
// Result is 6, both inOutRef and outRef are also set to 6
uint inRef = 2, inOutRef = 3, outRef;
uint result = MarshallingSampleNative.SumUInts(1, ref inRef, ref inOutRef, out outRef);
}
{ // int
// Result is -6, both inOutRef and outRef are also set to -6
int inRef = -2, inOutRef = -3, outRef;
int result = MarshallingSampleNative.SumInts(-1, ref inRef, ref inOutRef, out outRef);
}
{ // ulong
// Result is 6, both inOutRef and outRef are also set to 6
ulong inRef = 2, inOutRef = 3, outRef;
ulong result = MarshallingSampleNative.SumULongs(1, ref inRef, ref inOutRef, out outRef);
}
{ // long
// Result is -6, both inOutRef and outRef are also set to -6
long inRef = -2, inOutRef = -3, outRef;
long result = MarshallingSampleNative.SumLongs(-1, ref inRef, ref inOutRef, out outRef);
}
{ // float
// Result is roughly 0.123, both inOutRef and outRef are also set to roughly 0.123
float inRef = 0.02f, inOutRef = 0.003f, outRef;
float result = MarshallingSampleNative.SumFloats(0.1f, ref inRef, ref inOutRef, out outRef);
}
{ // double
// Result is roughly 0.123, both inOutRef and outRef are also set to roughly 0.123
double inRef = 0.02f, inOutRef = 0.003f, outRef;
double result = MarshallingSampleNative.SumDoubles(0.1f, ref inRef, ref inOutRef, out outRef);
}
{ // decimals
// Result is 6, both inOutRef and outRef are also set to 6
decimal inRef = 2, inOutRef = 3, outRef;
decimal result = MarshallingSampleNative.SumDecimals(1m, ref inRef, ref inOutRef, out outRef);
}
}
