ILSpy/ICSharpCode.Decompiler.Tests/TestCases/Pretty/PInvoke.cs

// Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using System.Runtime.InteropServices;

namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty
{
	// P/Invoke and marshalling attribute tests
	public class PInvoke
	{
		[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode, Pack = 2)]
		public struct MarshalAsTest
		{
			[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
			public uint[] FixedArray;

			[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4, ArraySubType = UnmanagedType.Bool)]
			public int[] FixedBoolArray;

			[MarshalAs(UnmanagedType.SafeArray, SafeArraySubType = VarEnum.VT_BSTR)]
			public string[] SafeBStrArray;

			[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 8)]
			public string FixedString;
		}

		[StructLayout(LayoutKind.Explicit)]
		public struct Rect
		{
			[FieldOffset(0)]
			public int left;
			[FieldOffset(4)]
			public int top;
			[FieldOffset(8)]
			public int right;
			[FieldOffset(12)]
			public int bottom;
		}

#pragma warning disable CS0618 // Type or member is obsolete
		public static decimal MarshalAttributesOnPropertyAccessors {
			[return: MarshalAs(UnmanagedType.Currency)]
			get {
				throw new NotImplementedException();
			}
			[param: MarshalAs(UnmanagedType.Currency)]
			set {
			}
		}
#pragma warning restore CS0618 // Type or member is obsolete

		[DllImport("xyz.dll", CharSet = CharSet.Auto)]
		[return: MarshalAs(UnmanagedType.Bool)]
		public static extern bool Method([MarshalAs(UnmanagedType.LPStr)] string input);

		[DllImport("xyz.dll")]
		private static extern void New1(int ElemCnt, [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0)] int[] ar);

		[DllImport("xyz.dll")]
		private static extern void New2([MarshalAs(UnmanagedType.LPArray, SizeConst = 128)] int[] ar);

		[DllImport("xyz.dll")]
		private static extern void New3([MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.Bool, SizeConst = 64, SizeParamIndex = 1)] int[] ar);

		[DllImport("xyz.dll")]
		private static extern void New4([MarshalAs(UnmanagedType.LPArray)] int[] ar);

		public void CustomMarshal1([MarshalAs(UnmanagedType.CustomMarshaler, MarshalType = "MyCompany.MyMarshaler")] object o)
		{
		}

		public void CustomMarshal2([MarshalAs(UnmanagedType.CustomMarshaler, MarshalType = "MyCompany.MyMarshaler", MarshalCookie = "Cookie")] object o)
		{
		}

#if CS110 && NET70
		[DllImport("ws2_32.dll", SetLastError = true)]
		internal static extern nint ioctlsocket([In] nint socketHandle, [In] int cmd, [In][Out] ref int argp);

#else
		[DllImport("ws2_32.dll", SetLastError = true)]
		internal static extern IntPtr ioctlsocket([In] IntPtr socketHandle, [In] int cmd, [In][Out] ref int argp);
#endif
		public void CallMethodWithInOutParameter()
		{
			int argp = 0;
			ioctlsocket(IntPtr.Zero, 0, ref argp);
		}
	}
}