c# - differentiating primary tile vs app-list wp8 -

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i developing app wp8.i want know how find out app coming foreground clicking on app-list or primary tile user created.in way want know how many users creates primary tile.

you can add navigation parameter secondary tile :

        string tileparameter = "param=myparameter";          shelltile tile = checkiftileexist(tileparameter);          if (tile == null)          {              standardtiledata secondarytile = new standardtiledata              {                  title = tileparameter,                  backgroundimage = new uri("background-secondary.png", urikind.relative),                  count = 2,                  backcontent = "secondary tile test"               };              shelltile.create(new uri("/mainpage.xaml?" + tileparameter, urikind.relative), secondarytile);          }

and then, in mainpage's onnavigatedto event, can parameter this:

        if (this.navigationcontext.querystring.containskey("param"))          {              string param = this.navigationcontext.querystring["param"];//get "param" query string.              //do whatever want parameter         }

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