[8e2213]: System.Data.SQLite / CriticalHandle.cs  Maximize  Restore  History

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namespace System.Data.SQLite
{
#if PLATFORM_COMPACTFRAMEWORK
internal abstract class CriticalHandle : IDisposable
{
private bool _isClosed;
protected IntPtr handle;
protected CriticalHandle(IntPtr invalidHandleValue)
{
handle = invalidHandleValue;
_isClosed = false;
}
~CriticalHandle()
{
Dispose(false);
}
private void Cleanup()
{
if (!IsClosed)
{
this._isClosed = true;
if (!IsInvalid)
{
ReleaseHandle();
GC.SuppressFinalize(this);
}
}
}
public void Close()
{
Dispose(true);
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
Cleanup();
}
protected abstract bool ReleaseHandle();
protected void SetHandle(IntPtr value)
{
handle = value;
}
public void SetHandleAsInvalid()
{
_isClosed = true;
GC.SuppressFinalize(this);
}
public bool IsClosed
{
get { return _isClosed; }
}
public abstract bool IsInvalid
{
get;
}
}
#endif
}

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