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