#include <flutter/dart_project.h>
#include <flutter/flutter_view_controller.h>
#include <windows.h>

#include <vector>

#include "flutter_window.h"
#include "run_loop.h"
#include "window_configuration.h"

int APIENTRY wWinMain(_In_ HINSTANCE instance,
                      _In_opt_ HINSTANCE prev,
                      _In_ wchar_t* command_line,
                      _In_ int show_command) {
  // Attach to console when present (e.g., 'flutter run') or create a
  // new console when running with a debugger.
  if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
    ::AllocConsole();
  }

  // Initialize COM, so that it is available for use in the library and/or plugins.
  ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);

  RunLoop run_loop;

  flutter::DartProject project(L"data");
#ifndef _DEBUG
  project.SetEngineSwitches({"--disable-dart-asserts"});
#endif

  FlutterWindow window(&run_loop, project);
  Win32Window::Point origin(kFlutterWindowOriginX, kFlutterWindowOriginY);
  Win32Window::Size size(kFlutterWindowWidth, kFlutterWindowHeight);
  if (!window.CreateAndShow(kFlutterWindowTitle, origin, size)) {
    return EXIT_FAILURE;
  }
  window.SetQuitOnClose(true);

  run_loop.Run();

  ::CoUninitialize();
  return EXIT_SUCCESS;
}

#include <flutter/dart_project.h>
#include <flutter/flutter_view_controller.h>
#include <windows.h>

#include <vector>

#include "flutter_window.h"
#include "run_loop.h"
#include "window_configuration.h"

int APIENTRY wWinMain(_In_ HINSTANCE instance,
                      _In_opt_ HINSTANCE prev,
                      _In_ wchar_t* command_line,
                      _In_ int show_command) {
  // Attach to console when present (e.g., 'flutter run') or create a
  // new console when running with a debugger.
  if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
    ::AllocConsole();
  }

  RunLoop run_loop;

  flutter::DartProject project(L"data");
#ifndef _DEBUG
  project.SetEngineSwitches({"--disable-dart-asserts"});
#endif

  FlutterWindow window(&run_loop, project);
  Win32Window::Point origin(kFlutterWindowOriginX, kFlutterWindowOriginY);
  Win32Window::Size size(kFlutterWindowWidth, kFlutterWindowHeight);
  if (!window.CreateAndShow(kFlutterWindowTitle, origin, size)) {
    return EXIT_FAILURE;
  }
  window.SetQuitOnClose(true);

  run_loop.Run();

  return EXIT_SUCCESS;
}

--- 
+++ 
@@ -18,6 +18,9 @@
     ::AllocConsole();
   }
 
+  // Initialize COM, so that it is available for use in the library and/or plugins.
+  ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+
   RunLoop run_loop;
 
   flutter::DartProject project(L"data");
@@ -35,5 +38,6 @@
 
   run_loop.Run();
 
+  ::CoUninitialize();
   return EXIT_SUCCESS;
 }
Update Windows runner from template

Picks up the recently add CoInitialize fix.
