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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
**
** Purpose: part of ComEventHelpers APIs which allow binding
** managed delegates to COM's connection point based events.
**
**/
#if FEATURE_COMINTEROP
namespace System.Runtime.InteropServices {
internal static class NativeMethods {
[
System.Security.SuppressUnmanagedCodeSecurity,
DllImport("oleaut32.dll", PreserveSig = false),
System.Security.SecurityCritical
]
internal static extern void VariantClear(IntPtr variant);
[
System.Security.SuppressUnmanagedCodeSecurity,
ComImport,
InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
Guid("00020400-0000-0000-C000-000000000046")
]
internal interface IDispatch {
void GetTypeInfoCount(out uint pctinfo);
void GetTypeInfo(uint iTInfo, int lcid, out IntPtr info);
void GetIDsOfNames(
ref Guid iid,
[MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPWStr, SizeParamIndex = 2)]
string[] names,
uint cNames,
int lcid,
[Out]
[MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.I4, SizeParamIndex = 2)]
int[] rgDispId);
void Invoke(
int dispIdMember,
ref Guid riid,
int lcid,
ComTypes.INVOKEKIND wFlags,
ref ComTypes.DISPPARAMS pDispParams,
IntPtr pvarResult,
IntPtr pExcepInfo,
IntPtr puArgErr);
}
}
}
#endif
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