/// <summary>
/// Pins the object to be allocated by cvSetData.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
// ReSharper disable once InconsistentNaming
protected internal GCHandle AllocGCHandle(object obj)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
if (DataHandle.IsAllocated)
{
DataHandle.Free();
}
DataHandle = GCHandle.Alloc(obj, GCHandleType.Pinned);
return(DataHandle);
}
/// <summary>
/// Releases unmanaged resources
/// </summary>
protected virtual void DisposeUnmanaged()
{
if (DataHandle.IsAllocated)
{
DataHandle.Free();
}
if (AllocatedMemorySize > 0)
{
GC.RemoveMemoryPressure(AllocatedMemorySize);
AllocatedMemorySize = 0;
}
if (AllocatedMemory != IntPtr.Zero)
{
Marshal.FreeHGlobal(AllocatedMemory);
AllocatedMemory = IntPtr.Zero;
}
}
