public object Convert(object value, Type targetType = null, object parameter = null, CultureInfo culture = null)
#endif
{
try
{
var ctx = (parameter as DataContext).ToNonReadOnly();
if (!string.IsNullOrEmpty(ViewName))
{
ctx.AddOrUpdate(NavigationConstants.ViewName, ViewName);
}
#if ANDROID
return(AndroidToolkitExtensions.GetOrCreateView((IViewModel)value, AlwaysCreateNewView, ctx));
#else
return(ToolkitServiceProvider.ViewManager.GetOrCreateView((IViewModel)value, AlwaysCreateNewView, ctx));
#endif
}
catch (Exception exception) when(!ThrowOnError)
{
Tracer.Error(exception.Flatten(true));
#if ANDROID
var txt = new TextView(parameter as Context ?? Application.Context)
{
Text = exception.Flatten(true)
};
txt.SetTextColor(Color.Red);
return(txt);
#elif TOUCH
return(new UITextView(new RectangleF(10, 10, 300, 30))
{
TextColor = UIColor.Red, Editable = false, DataDetectorTypes = UIDataDetectorType.None, Text = exception.Flatten(true)
});
#elif XAMARIN_FORMS
return(new Label {
TextColor = Color.Red, Text = exception.Flatten(true)
});
#else
return(new TextBox
{
Text = exception.Flatten(true),
#if WINFORMS
ReadOnly = true,
WordWrap = true,
ForeColor = Color.Red
#else
IsReadOnly = true,
TextWrapping = TextWrapping.Wrap,
Foreground = new SolidColorBrush(Colors.Red)
#endif
});