public DispatcherHelper(DependencyObject dependencyObject = null)
{
if (SharedHelpers.IsDispatcherQueueAvailable())
{
dispatcherQueue = Windows.System.DispatcherQueue.GetForCurrentThread();
}
if (dispatcherQueue == null)
{
try
{
if (dependencyObject != null)
{
coreDispatcher = dependencyObject.Dispatcher;
}
else if (CoreApplication.GetCurrentView() is CoreApplicationView currentView)
{
coreDispatcher = currentView.Dispatcher;
}
}
catch (Exception)
{
// CoreApplicationView might throw in XamlPresenter scenarios or in LogonUI.exe.
}
}
}
public static LoadedImageSurface GetImageSurface(string assetName, Size imageSize)
{
Uri getImageUri()
{
if (SharedHelpers.IsInFrameworkPackage())
{
return(new Uri("ms-resource://" + MUXCONTROLS_PACKAGE_NAME + "/Files/Microsoft.UI.Xaml/Assets/" + assetName + ".png"));
}
else
{
return(new Uri("ms-resource:///Files/Microsoft.UI.Xaml/Assets/" + assetName + ".png"));
}
}
return(LoadedImageSurface.StartLoadFromUri(getImageUri(), imageSize));
}
private static ResourceMap GetPackageResourceMap()
{
if (SharedHelpers.IsInFrameworkPackage())
{
string packageName = MUXCONTROLS_PACKAGE_NAME;
if (ResourceManager.Current.AllResourceMaps.TryGetValue(packageName, out var value))
{
return(value);
}
return(null);
}
else
{
return(ResourceManager.Current.MainResourceMap);
}
}