Virtu/Library/GCHandleHelpers.cs

33 lines
774 B
C#
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using System;
using System.Runtime.InteropServices;
using System.Security;
namespace Jellyfish.Library
{
public static class GCHandleHelpers
{
[SecurityCritical]
public static void Pin(object value, Action<IntPtr> action)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
var gcHandle = new GCHandle();
try
{
gcHandle = GCHandle.Alloc(value, GCHandleType.Pinned);
action(gcHandle.AddrOfPinnedObject());
}
finally
{
if (gcHandle.IsAllocated)
{
gcHandle.Free();
}
}
}
}
}