public void SetAsDefault(FilePath fileName, string mimeType, OpenWithFileViewer fileViewer)
{
ClearDefault(fileName, mimeType);
if (fileViewer == null)
{
return;
}
var key = GetKey(fileName, mimeType);
var userDefinedFileViewer = fileViewer as UserDefinedOpenWithFileViewer;
if (userDefinedFileViewer != null)
{
defaultDisplayBindings [key] = userDefinedFileViewer.DisplayBinding;
userDefinedFileViewer.SetAsDefault();
return;
}
key.IsApplication = fileViewer.IsApplication;
key.IsDisplayBinding = fileViewer.IsDisplayBinding;
mappings [key] = fileViewer.GetMappingKey();
var displayBinding = DisplayBindingFactory.CreateDisplayBinding(fileName, mimeType, fileViewer);
defaultDisplayBindings [key] = displayBinding;
DisplayBindingService.RegisterRuntimeDisplayBinding(displayBinding);
}
public bool IsCustomDefault(FilePath fileName, string mimeType, OpenWithFileViewer fileViewer)
{
var userDefinedFileViewer = fileViewer as UserDefinedOpenWithFileViewer;
if (userDefinedFileViewer != null)
{
return(userDefinedFileViewer.IsDefault);
}
string mapping = null;
var key = GetKey(fileName, mimeType);
if (!mappings.TryGetValue(key, out mapping))
{
return(false);
}
return(mapping == fileViewer.GetMappingKey());
}