/// <summary>
/// Invokes an action in the GUI thread.
/// </summary>
public Task InvokeAsync(Action action)
{
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
var dispatcher = backendHost.Backend as IDispatcherBackend;
if (dispatcher != null)
{
return(dispatcher.InvokeAsync(() => backendHost.ToolkitEngine.InvokeAndThrow(action)));
}
return(Application.InvokeAsync(() => backendHost.ToolkitEngine.InvokeAndThrow(action)));
}
/// <summary>
/// Invokes a function in the GUI thread.
/// </summary>
public Task <T> InvokeAsync <T>(Func <T> func)
{
if (func == null)
{
throw new ArgumentNullException(nameof(func));
}
Func <T> funcCall = () =>
{
T result = default(T);
backendHost.ToolkitEngine.InvokeAndThrow(() => result = func());
return(result);
};
var dispatcher = backendHost.Backend as IDispatcherBackend;
if (dispatcher != null)
{
return(dispatcher.InvokeAsync(funcCall));
}
return(Application.InvokeAsync(funcCall));
}