Caliburn.Micro(.WP7) and Bing Maps Crashing - windows-phone-7

Question

I have an app that I'm upgrading from some beta bits - and my map screen is crashing. So to try to get to the bottom of it - I started a brand new - blank "Win Phone Application".
Referenced Caliburn.Micro (just built from new code last night) Version: caliburnmicro_1296ea635677 (from codeplex)
referenced Microsoft.phone.controls.map.dll
and in the MainPage I added
<Grid>
<Maps:Map />
</Grid>
and I add a bootstrapper to app.xaml
<WP7:PhoneBootStrapper x:Name="bootstrapper" />
when the page runs in the phone emulator - the main page renders and I see a map of the world. if I click anywhere on the page - I get an unhandled exception of "The parameter is incorrect"
if I remove the
from the app.xaml - the map works correctly.
What do you think?
Thanks for any advice?

Answer 1

I have found the answer.
The key here - is that I had this setup and wroking with the Beta Templates - and it stopped working when I moved to the WinPhone RTM Templates in VS2010.
Caliburn does some work on my behalf, that was "ADDED" to the RTM templates - which were conflicting with each other. In the end This problem has/had nothing to do with the Bing Maps control - it just so happens that - that was my first screen - so that's where I was trying to solve the problem.
This was the ever so Not-Helpful exception:
The parameter is incorrect
Which, I'm pretty sure would happen on any screen - if you went to the upgrade path of templates, like I did. So here is what I had to remove - to get everything back to normal. In the new App.Xaml.cs - I removed (by commenting) in the App Ctor ...
// Phone-specific initialization
// InitializePhoneApplication();
// Global handler for uncaught exceptions.
// UnhandledException += Application_UnhandledException;
And then I removed these method bodies, because it's just dead code after removing the InitializePhoneApplication() call from ctor ...
// Code to execute when the application is launching (eg, from Start)
// This code will not execute when the application is reactivated
private void Application_Launching(object sender, LaunchingEventArgs e)
{
}
// Code to execute when the application is activated (brought to foreground)
// This code will not execute when the application is first launched
private void Application_Activated(object sender, ActivatedEventArgs e)
{
}
// Code to execute when the application is deactivated (sent to background)
// This code will not execute when the application is closing
private void Application_Deactivated(object sender, DeactivatedEventArgs e)
{
}
// Code to execute when the application is closing (eg, user hit Back)
// This code will not execute when the application is deactivated
private void Application_Closing(object sender, ClosingEventArgs e)
{
}
// Code to execute if a navigation fails
private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
{
if (System.Diagnostics.Debugger.IsAttached)
{
// A navigation has failed; break into the debugger
System.Diagnostics.Debugger.Break();
}
}
// Code to execute on Unhandled Exceptions
private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
{
if (System.Diagnostics.Debugger.IsAttached)
{
// An unhandled exception has occurred; break into the debugger
System.Diagnostics.Debugger.Break();
}
}
#region Phone application initialization
// Avoid double-initialization
private bool phoneApplicationInitialized = false;
// Do not add any additional code to this method
private void InitializePhoneApplication()
{
if (phoneApplicationInitialized)
return;
// Create the frame but don't set it as RootVisual yet; this allows the splash
// screen to remain active until the application is ready to render.
RootFrame = new PhoneApplicationFrame();
RootFrame.Navigated += CompleteInitializePhoneApplication;
// Handle navigation failures
RootFrame.NavigationFailed += RootFrame_NavigationFailed;
// Ensure we don't initialize again
phoneApplicationInitialized = true;
}
// Do not add any additional code to this method
private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
{
// Set the root visual to allow the application to render
if (RootVisual != RootFrame)
RootVisual = RootFrame;
// Remove this handler since it is no longer needed
RootFrame.Navigated -= CompleteInitializePhoneApplication;
}
#endregion
Special Thanks to Rob for his help solving this mystery!