public override Task <DialogResult> ShowDialogAsync(
object content, string caption,
DialogButton dialogButton,
DialogImage dialogImage = DialogImage.None,
DialogController dialogController = null)
{
Window mainWindow = GetActiveWindow();
Dispatcher dispatcher = mainWindow != null
? mainWindow.Dispatcher
: Dispatcher.CurrentDispatcher;
string bodyString = content?.ToString().Parse() ?? string.Empty;
string captionString = caption?.Parse() ?? string.Empty;
if (dispatcher == null || dispatcher.CheckAccess())
{
MessageBoxResult messageBoxResult;
try
{
Interlocked.Increment(ref openDialogCount);
if (mainWindow != null)
{
/* We are on the UI thread, and hence no need to invoke the call.*/
messageBoxResult = MessageBox.Show(
mainWindow,
bodyString,
captionString,
dialogButton.TranslateToMessageBoxButton(),
dialogImage.TranslateToMessageBoxButton());
}
else
{
messageBoxResult = MessageBox.Show(
bodyString,
captionString,
dialogButton.TranslateToMessageBoxButton(),
dialogImage.TranslateToMessageBoxButton());
}
}
finally
{
Interlocked.Decrement(ref openDialogCount);
}
return(Task.FromResult(
messageBoxResult.TranslateToMessageBoxResult()));
}
DialogResult result = DialogResult.OK; /* Satisfy compiler with default value. */
dispatcher.Invoke((ThreadStart) delegate
{
MessageBoxResult messageBoxResult;
try
{
Interlocked.Increment(ref openDialogCount);
if (mainWindow != null)
{
/* We are on the UI thread,
* and hence no need to invoke the call.*/
messageBoxResult = MessageBox.Show(mainWindow, bodyString, captionString,
dialogButton.TranslateToMessageBoxButton(),
dialogImage.TranslateToMessageBoxButton());
}
else
{
messageBoxResult = MessageBox.Show(bodyString, captionString,
dialogButton.TranslateToMessageBoxButton(),
dialogImage.TranslateToMessageBoxButton());
}
}
finally
{
Interlocked.Decrement(ref openDialogCount);
}
result = messageBoxResult.TranslateToMessageBoxResult();
});
return(Task.FromResult(result));
}
