IntroductionIn this article we will create a "Hello World" Windows Store (Metro) App using C#. It's a simple app to open a Windows picture library. Step 1We will select the "C#" template Windows Store Blank App.Step 2We will add a simple button control with click event.If we right-click the "Button_Click_1" event name in XAML and click the "Navigate to Event Handler", it will redirect to the code behind file of this method. It's similar to double-clicking the button in our existing Windows/Web UI.It will result in the UI being as shown below:Step 3Navigate to the button click event and add the following code to show the alert message using the WinRT API.And we will see the result as shown below:Step 4Using the WinRT API, we will use the Pickers object to select the file with ".jpg" format.We will see the result as below:SummaryWe need to use the System.IO namespace to do the Windows file related operations. But we are able to do that using the WinRT API in C#.
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