405out _hChannel)); 516_hChannel = IntPtr.Zero;

399referenceChannelHandle = referenceChannel._hChannel; 420if (_hChannel == IntPtr.Zero) 433_hChannel)); 449if (_hChannel == IntPtr.Zero) 462_hChannel)); 476if (_hChannel == IntPtr.Zero) 488HRESULT.Check(MilCoreApi.MilComposition_SyncFlush(_hChannel)); 504if (_hChannel != IntPtr.Zero) 506HRESULT.Check(UnsafeNativeMethods.MilConnection_CloseBatch(_hChannel)); 507HRESULT.Check(UnsafeNativeMethods.MilConnection_CommitChannel(_hChannel)); 512if (_hChannel != IntPtr.Zero) 514HRESULT.Check(UnsafeNativeMethods.MilConnection_DestroyChannel(_hChannel)); 553Invariant.Assert(_hChannel != IntPtr.Zero); 556_hChannel, 563EventTrace.EventProvider.TraceEvent(EventTrace.Event.CreateOrAddResourceOnChannel, EventTrace.Keyword.KeywordGraphics | EventTrace.Keyword.KeywordPerf, EventTrace.Level.PERF_LOW, PerfService.GetPerfElementID(instance), _hChannel, (uint) handle, (uint) resourceType); 599_hChannel, 601targetChannel._hChannel, 624Invariant.Assert(_hChannel != IntPtr.Zero); 632_hChannel, 639EventTrace.EventProvider.TraceEvent(EventTrace.Event.ReleaseOnChannel, EventTrace.Keyword.KeywordGraphics | EventTrace.Keyword.KeywordPerf, EventTrace.Level.PERF_LOW, _hChannel, (uint) handle); 660Invariant.Assert(_hChannel != IntPtr.Zero); 666_hChannel, 703Invariant.Assert(_hChannel != IntPtr.Zero); 707_hChannel, 772if (_hChannel == IntPtr.Zero) 788_hChannel); 812if (_hChannel == IntPtr.Zero) 825_hChannel, 852if (_hChannel == IntPtr.Zero) 865_hChannel, 884if (_hChannel == IntPtr.Zero) 896HRESULT.Check(UnsafeNativeMethods.MilChannel_EndCommand(_hChannel)); 912Invariant.Assert(_hChannel != IntPtr.Zero); 917_hChannel)); 935Invariant.Assert(_hChannel != IntPtr.Zero); 940_hChannel, 967Invariant.Assert(_hChannel != IntPtr.Zero); 970_hChannel, 1000_hChannel, 1031Invariant.Assert(_hChannel != IntPtr.Zero); 1040_hChannel,