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# System.Runtime.InteropServices.Marshalling
``` diff
namespace System.Runtime.InteropServices.Marshalling {
- [CLSCompliantAttribute(false)]
- [CustomTypeMarshallerAttribute(typeof(string), CustomTypeMarshallerKind.Value, BufferSize=256, Features=CustomTypeMarshallerFeatures.CallerAllocatedBuffer | CustomTypeMarshallerFeatures.TwoStageMarshalling | CustomTypeMarshallerFeatures.UnmanagedResources)]
- [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
- public ref struct AnsiStringMarshaller {
+ [CLSCompliantAttribute(false)]
+ [CustomMarshallerAttribute(typeof(string), MarshalMode.Default, typeof(AnsiStringMarshaller))]
+ [CustomMarshallerAttribute(typeof(string), MarshalMode.ManagedToUnmanagedIn, typeof(AnsiStringMarshaller.ManagedToUnmanagedIn))]
+ public static class AnsiStringMarshaller {
- [NullableContextAttribute((byte)2)]
- public AnsiStringMarshaller(string? str);
- public AnsiStringMarshaller([NullableAttribute((byte)2)] string? str, Span<byte> buffer);
+ [return: NullableAttribute((byte)2)]
+ public unsafe static string? ConvertToManaged(byte* unmanaged);
+ public unsafe static byte* ConvertToUnmanaged([NullableAttribute((byte)2)] string? managed);
+ public unsafe static void Free(byte* unmanaged);
- public void FreeNative();
- public unsafe void FromNativeValue(byte* value);
- [NullableContextAttribute((byte)2)]
- public string? ToManaged();
- public unsafe byte* ToNativeValue();
+ [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
+ public ref struct ManagedToUnmanagedIn {
+ public static int BufferSize { get; }
+ public void Free();
+ public void FromManaged([NullableAttribute((byte)2)] string? managed, Span<byte> buffer);
+ public unsafe byte* ToUnmanaged();
+ }
}
- [CLSCompliantAttribute(false)]
- [CustomTypeMarshallerAttribute(typeof(CustomTypeMarshallerAttribute.GenericPlaceholder[]), CustomTypeMarshallerKind.LinearCollection, BufferSize=512, Features=CustomTypeMarshallerFeatures.CallerAllocatedBuffer | CustomTypeMarshallerFeatures.TwoStageMarshalling | CustomTypeMarshallerFeatures.UnmanagedResources)]
- [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
- public ref struct ArrayMarshaller<T> {
- public ArrayMarshaller(int sizeOfNativeElement);
- public ArrayMarshaller([NullableAttribute(new byte[]{ (byte)2, (byte)1})] T[]? array, int sizeOfNativeElement);
- public ArrayMarshaller([NullableAttribute(new byte[]{ (byte)2, (byte)1})] T[]? array, Span<byte> buffer, int sizeOfNativeElement);
- public void FreeNative();
- public unsafe void FromNativeValue(byte* value);
- [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
- public Span<T> GetManagedValuesDestination(int length);
- [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
- public ReadOnlySpan<T> GetManagedValuesSource();
- public Span<byte> GetNativeValuesDestination();
- public ReadOnlySpan<byte> GetNativeValuesSource(int length);
- public ref byte GetPinnableReference();
- [return: NullableAttribute(new byte[]{ (byte)2, (byte)1})]
- public T[]? ToManaged();
- public unsafe byte* ToNativeValue();
- }
+ [CLSCompliantAttribute(false)]
+ [ContiguousCollectionMarshallerAttribute]
+ [CustomMarshallerAttribute(typeof(CustomMarshallerAttribute.GenericPlaceholder[]), MarshalMode.Default, typeof(ArrayMarshaller<,>))]
+ [CustomMarshallerAttribute(typeof(CustomMarshallerAttribute.GenericPlaceholder[]), MarshalMode.ManagedToUnmanagedIn, typeof(ArrayMarshaller<,>.ManagedToUnmanagedIn))]
+ public static class ArrayMarshaller<T, TUnmanagedElement> where TUnmanagedElement : struct {
+ [return: NullableAttribute(new byte[]{ (byte)2, (byte)1})]
+ public unsafe static T[]? AllocateContainerForManagedElements(TUnmanagedElement* unmanaged, int numElements);
+ public unsafe static TUnmanagedElement* AllocateContainerForUnmanagedElements([NullableAttribute(new byte[]{ (byte)2, (byte)1})] T[]? managed, out int numElements);
+ public unsafe static void Free(TUnmanagedElement* unmanaged);
+ [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
+ public static Span<T> GetManagedValuesDestination([NullableAttribute(new byte[]{ (byte)2, (byte)1})] T[]? managed);
+ [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
+ public static ReadOnlySpan<T> GetManagedValuesSource([NullableAttribute(new byte[]{ (byte)2, (byte)1})] T[]? managed);
+ public unsafe static Span<TUnmanagedElement> GetUnmanagedValuesDestination(TUnmanagedElement* unmanaged, int numElements);
+ public unsafe static ReadOnlySpan<TUnmanagedElement> GetUnmanagedValuesSource(TUnmanagedElement* unmanagedValue, int numElements);
+ [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
+ public ref struct ManagedToUnmanagedIn {
+ public static int BufferSize { get; }
+ public void Free();
+ public void FromManaged([NullableAttribute(new byte[]{ (byte)2, (byte)1})] T[]? array, Span<TUnmanagedElement> buffer);
+ [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
+ public ReadOnlySpan<T> GetManagedValuesSource();
+ public ref TUnmanagedElement GetPinnableReference();
+ [NullableContextAttribute((byte)1)]
+ public static ref T GetPinnableReference([NullableAttribute(new byte[]{ (byte)2, (byte)1})] T[]? array);
+ public Span<TUnmanagedElement> GetUnmanagedValuesDestination();
+ public unsafe TUnmanagedElement* ToUnmanaged();
+ }
+ }
- [CLSCompliantAttribute(false)]
- [CustomTypeMarshallerAttribute(typeof(string), CustomTypeMarshallerKind.Value, BufferSize=256, Features=CustomTypeMarshallerFeatures.CallerAllocatedBuffer | CustomTypeMarshallerFeatures.TwoStageMarshalling | CustomTypeMarshallerFeatures.UnmanagedResources)]
- [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
- public ref struct BStrStringMarshaller {
+ [CLSCompliantAttribute(false)]
+ [CustomMarshallerAttribute(typeof(string), MarshalMode.Default, typeof(BStrStringMarshaller))]
+ [CustomMarshallerAttribute(typeof(string), MarshalMode.ManagedToUnmanagedIn, typeof(BStrStringMarshaller.ManagedToUnmanagedIn))]
+ public static class BStrStringMarshaller {
- [NullableContextAttribute((byte)2)]
- public BStrStringMarshaller(string? str);
- public BStrStringMarshaller([NullableAttribute((byte)2)] string? str, Span<ushort> buffer);
+ [return: NullableAttribute((byte)2)]
+ public unsafe static string? ConvertToManaged(ushort* unmanaged);
+ public unsafe static ushort* ConvertToUnmanaged([NullableAttribute((byte)2)] string? managed);
+ public unsafe static void Free(ushort* unmanaged);
- public void FreeNative();
- public unsafe void FromNativeValue(void* value);
- [NullableContextAttribute((byte)2)]
- public string? ToManaged();
- public unsafe void* ToNativeValue();
+ [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
+ public ref struct ManagedToUnmanagedIn {
+ public static int BufferSize { get; }
+ public void Free();
+ public void FromManaged([NullableAttribute((byte)2)] string? managed, Span<byte> buffer);
+ public unsafe ushort* ToUnmanaged();
+ }
}
+ [AttributeUsageAttribute(AttributeTargets.Class | AttributeTargets.Struct)]
+ public sealed class ContiguousCollectionMarshallerAttribute : Attribute {
+ public ContiguousCollectionMarshallerAttribute();
+ }
+ [AttributeUsageAttribute(AttributeTargets.Class | AttributeTargets.Struct, AllowMultiple=true)]
+ [NullableAttribute((byte)0)]
+ [NullableContextAttribute((byte)1)]
+ public sealed class CustomMarshallerAttribute : Attribute {
+ public CustomMarshallerAttribute(Type managedType, MarshalMode marshalMode, Type marshallerType);
+ public Type ManagedType { get; }
+ public Type MarshallerType { get; }
+ public MarshalMode MarshalMode { get; }
+ [NullableContextAttribute((byte)0)]
+ [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
+ public struct GenericPlaceholder
+ }
- [AttributeUsageAttribute(AttributeTargets.Struct)]
- [NullableAttribute((byte)0)]
- [NullableContextAttribute((byte)1)]
- public sealed class CustomTypeMarshallerAttribute : Attribute {
- public CustomTypeMarshallerAttribute(Type managedType, CustomTypeMarshallerKind marshallerKind = CustomTypeMarshallerKind.Value);
- public int BufferSize { get; set; }
- public CustomTypeMarshallerDirection Direction { get; set; }
- public CustomTypeMarshallerFeatures Features { get; set; }
- public Type ManagedType { get; }
- public CustomTypeMarshallerKind MarshallerKind { get; }
- [NullableContextAttribute((byte)0)]
- [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
- public struct GenericPlaceholder
- }
- [FlagsAttribute]
- public enum CustomTypeMarshallerDirection {
- In = 1,
- [EditorBrowsableAttribute(EditorBrowsableState.Never)]
- None = 0,
- Out = 2,
- Ref = 3,
- }
- [FlagsAttribute]
- public enum CustomTypeMarshallerFeatures {
- CallerAllocatedBuffer = 2,
- None = 0,
- TwoStageMarshalling = 4,
- UnmanagedResources = 1,
- }
- public enum CustomTypeMarshallerKind {
- LinearCollection = 1,
- Value = 0,
- }
+ public enum MarshalMode {
+ Default = 0,
+ ElementIn = 7,
+ ElementOut = 9,
+ ElementRef = 8,
+ ManagedToUnmanagedIn = 1,
+ ManagedToUnmanagedOut = 3,
+ ManagedToUnmanagedRef = 2,
+ UnmanagedToManagedIn = 4,
+ UnmanagedToManagedOut = 6,
+ UnmanagedToManagedRef = 5,
+ }
- [CLSCompliantAttribute(false)]
- [CustomTypeMarshallerAttribute(typeof(CustomTypeMarshallerAttribute.GenericPlaceholder*[]), CustomTypeMarshallerKind.LinearCollection, BufferSize=512, Features=CustomTypeMarshallerFeatures.CallerAllocatedBuffer | CustomTypeMarshallerFeatures.TwoStageMarshalling | CustomTypeMarshallerFeatures.UnmanagedResources)]
- [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
- public ref struct PointerArrayMarshaller<T> where T : struct {
- public PointerArrayMarshaller(int sizeOfNativeElement);
- public PointerArrayMarshaller([NullableAttribute(new byte[]{ (byte)2, (byte)0, (byte)0})] T*[]? array, int sizeOfNativeElement);
- public PointerArrayMarshaller([NullableAttribute(new byte[]{ (byte)2, (byte)0, (byte)0})] T*[]? array, Span<byte> buffer, int sizeOfNativeElement);
- public void FreeNative();
- public unsafe void FromNativeValue(byte* value);
- public Span<IntPtr> GetManagedValuesDestination(int length);
- public ReadOnlySpan<IntPtr> GetManagedValuesSource();
- public Span<byte> GetNativeValuesDestination();
- public ReadOnlySpan<byte> GetNativeValuesSource(int length);
- public ref byte GetPinnableReference();
- [return: NullableAttribute(new byte[]{ (byte)2, (byte)0, (byte)0})]
- public T*[]? ToManaged();
- public unsafe byte* ToNativeValue();
- }
+ [CLSCompliantAttribute(false)]
+ [ContiguousCollectionMarshallerAttribute]
+ [CustomMarshallerAttribute(typeof(CustomMarshallerAttribute.GenericPlaceholder*[]), MarshalMode.Default, typeof(PointerArrayMarshaller<,>))]
+ [CustomMarshallerAttribute(typeof(CustomMarshallerAttribute.GenericPlaceholder*[]), MarshalMode.ManagedToUnmanagedIn, typeof(PointerArrayMarshaller<,>.ManagedToUnmanagedIn))]
+ public static class PointerArrayMarshaller<T, TUnmanagedElement> where T : struct where TUnmanagedElement : struct {
+ [return: NullableAttribute(new byte[]{ (byte)2, (byte)0, (byte)0})]
+ public unsafe static T*[]? AllocateContainerForManagedElements(TUnmanagedElement* unmanaged, int numElements);
+ public unsafe static TUnmanagedElement* AllocateContainerForUnmanagedElements([NullableAttribute(new byte[]{ (byte)2, (byte)0, (byte)0})] T*[]? managed, out int numElements);
+ public unsafe static void Free(TUnmanagedElement* unmanaged);
+ public static Span<IntPtr> GetManagedValuesDestination([NullableAttribute(new byte[]{ (byte)2, (byte)0, (byte)0})] T*[]? managed);
+ public static ReadOnlySpan<IntPtr> GetManagedValuesSource([NullableAttribute(new byte[]{ (byte)2, (byte)0, (byte)0})] T*[]? managed);
+ public unsafe static Span<TUnmanagedElement> GetUnmanagedValuesDestination(TUnmanagedElement* unmanaged, int numElements);
+ public unsafe static ReadOnlySpan<TUnmanagedElement> GetUnmanagedValuesSource(TUnmanagedElement* unmanagedValue, int numElements);
+ [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
+ public ref struct ManagedToUnmanagedIn {
+ public static int BufferSize { get; }
+ public void Free();
+ public void FromManaged([NullableAttribute(new byte[]{ (byte)2, (byte)0, (byte)0})] T*[]? array, Span<TUnmanagedElement> buffer);
+ public ReadOnlySpan<IntPtr> GetManagedValuesSource();
+ public ref TUnmanagedElement GetPinnableReference();
+ public static ref byte GetPinnableReference([NullableAttribute(new byte[]{ (byte)2, (byte)0, (byte)0})] T*[]? array);
+ public Span<TUnmanagedElement> GetUnmanagedValuesDestination();
+ public unsafe TUnmanagedElement* ToUnmanaged();
+ }
+ }
+ [CLSCompliantAttribute(false)]
+ [ContiguousCollectionMarshallerAttribute]
+ [CustomMarshallerAttribute(typeof(ReadOnlySpan<>), MarshalMode.ManagedToUnmanagedIn, typeof(ReadOnlySpanMarshaller<,>.ManagedToUnmanagedIn))]
+ [CustomMarshallerAttribute(typeof(ReadOnlySpan<>), MarshalMode.UnmanagedToManagedOut, typeof(ReadOnlySpanMarshaller<,>.UnmanagedToManagedOut))]
+ public static class ReadOnlySpanMarshaller<T, TUnmanagedElement> where TUnmanagedElement : struct {
+ [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
+ public ref struct ManagedToUnmanagedIn {
+ public static int BufferSize { get; }
+ public void Free();
+ public void FromManaged([NullableAttribute(new byte[]{ (byte)0, (byte)1})] ReadOnlySpan<T> managed, Span<TUnmanagedElement> buffer);
+ [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
+ public ReadOnlySpan<T> GetManagedValuesSource();
+ public ref TUnmanagedElement GetPinnableReference();
+ [NullableContextAttribute((byte)1)]
+ public static ref T GetPinnableReference([NullableAttribute(new byte[]{ (byte)0, (byte)1})] ReadOnlySpan<T> managed);
+ public Span<TUnmanagedElement> GetUnmanagedValuesDestination();
+ public unsafe TUnmanagedElement* ToUnmanaged();
+ }
+ public static class UnmanagedToManagedOut {
+ public unsafe static TUnmanagedElement* AllocateContainerForUnmanagedElements([NullableAttribute(new byte[]{ (byte)0, (byte)1})] ReadOnlySpan<T> managed, out int numElements);
+ [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
+ public static ReadOnlySpan<T> GetManagedValuesSource([NullableAttribute(new byte[]{ (byte)0, (byte)1})] ReadOnlySpan<T> managed);
+ public unsafe static Span<TUnmanagedElement> GetUnmanagedValuesDestination(TUnmanagedElement* unmanaged, int numElements);
+ }
+ }
+ [CLSCompliantAttribute(false)]
+ [ContiguousCollectionMarshallerAttribute]
+ [CustomMarshallerAttribute(typeof(Span<>), MarshalMode.Default, typeof(SpanMarshaller<,>))]
+ [CustomMarshallerAttribute(typeof(Span<>), MarshalMode.ManagedToUnmanagedIn, typeof(SpanMarshaller<,>.ManagedToUnmanagedIn))]
+ public static class SpanMarshaller<T, TUnmanagedElement> where TUnmanagedElement : struct {
+ [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
+ public unsafe static Span<T> AllocateContainerForManagedElements(TUnmanagedElement* unmanaged, int numElements);
+ public unsafe static TUnmanagedElement* AllocateContainerForUnmanagedElements([NullableAttribute(new byte[]{ (byte)0, (byte)1})] Span<T> managed, out int numElements);
+ public unsafe static void Free(TUnmanagedElement* unmanaged);
+ [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
+ public static Span<T> GetManagedValuesDestination([NullableAttribute(new byte[]{ (byte)0, (byte)1})] Span<T> managed);
+ [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
+ public static ReadOnlySpan<T> GetManagedValuesSource([NullableAttribute(new byte[]{ (byte)0, (byte)1})] Span<T> managed);
+ public unsafe static Span<TUnmanagedElement> GetUnmanagedValuesDestination(TUnmanagedElement* unmanaged, int numElements);
+ public unsafe static ReadOnlySpan<TUnmanagedElement> GetUnmanagedValuesSource(TUnmanagedElement* unmanaged, int numElements);
+ [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
+ public ref struct ManagedToUnmanagedIn {
+ public static int BufferSize { get; }
+ public void Free();
+ public void FromManaged([NullableAttribute(new byte[]{ (byte)0, (byte)1})] Span<T> managed, Span<TUnmanagedElement> buffer);
+ [return: NullableAttribute(new byte[]{ (byte)0, (byte)1})]
+ public ReadOnlySpan<T> GetManagedValuesSource();
+ public ref TUnmanagedElement GetPinnableReference();
+ [NullableContextAttribute((byte)1)]
+ public static ref T GetPinnableReference([NullableAttribute(new byte[]{ (byte)0, (byte)1})] Span<T> managed);
+ public Span<TUnmanagedElement> GetUnmanagedValuesDestination();
+ public unsafe TUnmanagedElement* ToUnmanaged();
+ }
+ }
- [CLSCompliantAttribute(false)]
- [CustomTypeMarshallerAttribute(typeof(string), CustomTypeMarshallerKind.Value, Features=CustomTypeMarshallerFeatures.TwoStageMarshalling | CustomTypeMarshallerFeatures.UnmanagedResources)]
- [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
- public ref struct Utf16StringMarshaller {
+ [CLSCompliantAttribute(false)]
+ [CustomMarshallerAttribute(typeof(string), MarshalMode.Default, typeof(Utf16StringMarshaller))]
+ public static class Utf16StringMarshaller {
- [NullableContextAttribute((byte)2)]
- public Utf16StringMarshaller(string? str);
+ [return: NullableAttribute((byte)2)]
+ public unsafe static string? ConvertToManaged(ushort* unmanaged);
+ public unsafe static ushort* ConvertToUnmanaged([NullableAttribute((byte)2)] string? managed);
+ public unsafe static void Free(ushort* unmanaged);
- public void FreeNative();
- public unsafe void FromNativeValue(void* value);
+ [NullableContextAttribute((byte)2)]
+ public static ref readonly char GetPinnableReference(string? str);
- [NullableContextAttribute((byte)2)]
- public string? ToManaged();
- public unsafe void* ToNativeValue();
}
- [CLSCompliantAttribute(false)]
- [CustomTypeMarshallerAttribute(typeof(string), CustomTypeMarshallerKind.Value, BufferSize=256, Features=CustomTypeMarshallerFeatures.CallerAllocatedBuffer | CustomTypeMarshallerFeatures.TwoStageMarshalling | CustomTypeMarshallerFeatures.UnmanagedResources)]
- [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
- public ref struct Utf8StringMarshaller {
+ [CLSCompliantAttribute(false)]
+ [CustomMarshallerAttribute(typeof(string), MarshalMode.Default, typeof(Utf8StringMarshaller))]
+ [CustomMarshallerAttribute(typeof(string), MarshalMode.ManagedToUnmanagedIn, typeof(Utf8StringMarshaller.ManagedToUnmanagedIn))]
+ public static class Utf8StringMarshaller {
- [NullableContextAttribute((byte)2)]
- public Utf8StringMarshaller(string? str);
- public Utf8StringMarshaller([NullableAttribute((byte)2)] string? str, Span<byte> buffer);
+ [return: NullableAttribute((byte)2)]
+ public unsafe static string? ConvertToManaged(byte* unmanaged);
+ public unsafe static byte* ConvertToUnmanaged([NullableAttribute((byte)2)] string? managed);
+ public unsafe static void Free(byte* unmanaged);
- public void FreeNative();
- public unsafe void FromNativeValue(byte* value);
- [NullableContextAttribute((byte)2)]
- public string? ToManaged();
- public unsafe byte* ToNativeValue();
+ [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Size=1)]
+ public ref struct ManagedToUnmanagedIn {
+ public static int BufferSize { get; }
+ public void Free();
+ public void FromManaged([NullableAttribute((byte)2)] string? managed, Span<byte> buffer);
+ public unsafe byte* ToUnmanaged();
+ }
}
}
```
|
