/// <summary>
/// Executes the action on the UI thread.
/// </summary>
/// <param name="action">The action to execute.</param>
/// <exception cref="System.NotImplementedException"></exception>
public virtual void OnUIThread(System.Action action)
{
if (CheckAccess())
{
action();
}
else
{
#if WINDOWS_UWP
dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => action()).AsTask().Wait();
#else
Exception exception = null;
System.Action method = () => {
try {
action();
}
catch (Exception ex) {
exception = ex;
}
};
dispatcher.Invoke(method);
if (exception != null)
{
throw new System.Reflection.TargetInvocationException("An error occurred while dispatching a call to the UI Thread", exception);
}
#endif
}
}
public async void ReportProgress(int percentProgress, object userState)
#endif
{
if (ProgressChanged != null)
{
#if NETFX_CORE
await _dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => ProgressChanged(this, new ProgressChangedEventArgs(percentProgress, userState)));
#else
_dispatcher.Invoke(CoreDispatcherPriority.Normal,
(sender, args) => { ProgressChanged(this, new ProgressChangedEventArgs(percentProgress, userState)); }, this, null);
#endif
}
}
/// <summary>
/// Executes the action on the UI thread.
/// </summary>
/// <param name="action">The action to execute.</param>
/// <exception cref="System.NotImplementedException"></exception>
public void OnUIThread(System.Action action)
{
if (CheckAccess())
{
action();
}
else
{
#if WinRT
dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => action()).AsTask().Wait();
#elif NET
Exception exception = null;
System.Action method = () => {
try {
action();
}
catch (Exception ex) {
exception = ex;
}
};
dispatcher.Invoke(method);
if (exception != null)
{
throw new System.Reflection.TargetInvocationException("An error occurred while dispatching a call to the UI Thread", exception);
}
#else
var waitHandle = new System.Threading.ManualResetEvent(false);
Exception exception = null;
System.Action method = () => {
try {
action();
}
catch (Exception ex) {
exception = ex;
}
waitHandle.Set();
};
dispatcher.BeginInvoke(method);
waitHandle.WaitOne();
if (exception != null)
{
throw new System.Reflection.TargetInvocationException("An error occurred while dispatching a call to the UI Thread", exception);
}
#endif
}
}
