NullException error WP7 [closed] - windows-phone-7

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Closed 10 years ago.
I get this error in App.cs, any help, I try to clean and build again but nothing.

Shouldn't the line in question be as follows :-
PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;

If you removed the <PhoneApplicationService> from App.xaml, it will be null. Either instance it, or make sure the <PhoneApplicationService> is present in your XAML.

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Disable orientation change when user want to [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 10 years ago.
I want to give to users my app an options that they can lock/disable orientation screen.
How can I do that?
You cannot prevent the rotation. But you can try use this:
http://pagerotationwp.codeplex.com/
see also
http://answers.microsoft.com/en-us/winphone/forum/wp7-wptips/auto-rotate-of-the-screen/d61a7b68-6941-41f9-a4f3-375e25669032?msgId=2ace87af-b04f-405e-b949-f85f861af740
Regards

How to display the current time? [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 11 years ago.
How do I display the current time? Please give me an example.
I know about msdn but still have a problem.
Please use by trying DateTime.Now to access the current time.

Why is it called Three20? Any meaning? [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 11 years ago.
I'm very curious, why is it called Three20? I can't seems to find it anywhere. Haha.
Cheers,
Mickey
...after the 320-pixel-wide screen of the iPhone

anybody have the ruby GUI tools ——shoe box? [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 12 years ago.
Ps:
I don't want to use tk
if it's shoes your after, nobody knows.

adding image to the widget of magento [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 10 years ago.
i am developing a widget. For that i have to add images to the widget in magento.. any help??
Got it!. This can be done by calling the getSkinUrl() command that will give the url of the skin where images are kept. Then the images can be accessed easily.

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