From 3462bd8c7ef52c24a7b6a24fb1709904a203401d Mon Sep 17 00:00:00 2001
From: Tian Liao <tilia@microsoft.com>
Date: Wed, 3 Apr 2024 21:04:01 +0800
Subject: [PATCH] remove unused fields

---
 src/GraphControl/DirectX/RenderMain.cpp | 14 +++++++-------
 src/GraphControl/DirectX/RenderMain.h   |  4 ----
 2 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/src/GraphControl/DirectX/RenderMain.cpp b/src/GraphControl/DirectX/RenderMain.cpp
index 3b9c61f0..fbaf9aad 100644
--- a/src/GraphControl/DirectX/RenderMain.cpp
+++ b/src/GraphControl/DirectX/RenderMain.cpp
@@ -30,11 +30,10 @@ namespace
 namespace GraphControl::DX
 {
     RenderMain::RenderMain(SwapChainPanel ^ panel)
-        : m_deviceResources{ panel }
-        , m_nearestPointRenderer{ &m_deviceResources }
-        , m_backgroundColor{ {} }
-        , m_swapChainPanel{ panel }
-        , m_TraceLocation(Point(0, 0))
+        : m_deviceResources(panel)
+        , m_nearestPointRenderer(&m_deviceResources)
+        , m_swapChainPanel(panel)
+        , m_TraceLocation(Point{ 0, 0 })
         , m_Tracing(false)
     {
         // Register to be notified if the Device is lost or recreated
@@ -47,6 +46,7 @@ namespace GraphControl::DX
 
     RenderMain::~RenderMain()
     {
+        m_renderPassCts.cancel();
         UnregisterEventHandlers();
     }
 
@@ -212,8 +212,8 @@ namespace GraphControl::DX
         }
         m_renderPassCts = concurrency::cancellation_token_source{};
 
-        bool result = true;
-        co_await CoreWindow::GetForCurrentThread()->Dispatcher->RunAsync(
+        bool result = false;
+        co_await m_coreWindow->Dispatcher->RunAsync(
             CoreDispatcherPriority::High,
             ref new DispatchedHandler(
                 [this, &result, cancel = m_renderPassCts.get_token()]
diff --git a/src/GraphControl/DirectX/RenderMain.h b/src/GraphControl/DirectX/RenderMain.h
index 9ce1014f..4c5a724f 100644
--- a/src/GraphControl/DirectX/RenderMain.h
+++ b/src/GraphControl/DirectX/RenderMain.h
@@ -175,10 +175,6 @@ namespace GraphControl::DX
         Windows::Foundation::EventRegistrationToken m_tokenOrientationChanged;
         Windows::Foundation::EventRegistrationToken m_tokenDisplayContentsInvalidated;
 
-        // Track our independent input on a background worker thread.
-        Windows::Foundation::IAsyncAction ^ m_inputLoopWorker = nullptr;
-        Windows::UI::Core::CoreIndependentInputSource ^ m_coreInput = nullptr;
-
         double m_XTraceValue;
         double m_YTraceValue;