How to select multiple items in multilistpicker windows phone 8

Question

I need to display a list of items in list picker,Im using list picker with multiple selection mode.Is there any way to check the check boxes of multiple items from c#(without user's interaction).I found many ways to find the list of selected items but couldnt find how to set multiple items as selected from code behind.Please help.I tried using

for(int i=0;i<selecteditems.count;i++)
{
 listpicker.SelectedItem=listpicker.Items[i];
}

This doesnt work ..

Answer 1

This may be help you

listpicker.SelectedItems = List<your selected items>;

Answer 2

Use the SelectedItems property for setting multiple items as selected.