When an app launched, could it select the place it will be diplayed?

Question

I have an app named APP1, and I want to do this:

when APP1 is launched, can APP1 itself choose the statement it want to show, for example snap mode , filled mode or full screen mode?

I have searched in msdn many times, and I didnot find anything about this. So I wonder what can I do for this? 

Answer 1

No, you can't. There are no APIs for that.  It is a user initiated action.

You could use TryUnsnap | tryUnsnap method to try unsnap if you are developing for windows 8 store app, but for windows 8.1 store app, there is no Snap mode any more.

--James

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Answer 2

 For windows 8.1 store app, can the app select the place it want to display.

For example, when there are 3 apps in the screen, and share the screen. when my app started, could it select the place it want to display, or  could it select the placement that it want to replace one of the 3 app's placement.

Thank you for your application!

Answer 3

No, this is a user controlled option. Apps cannot select their placement or size.

--Rob