What is the correct way to invoke openPane() in WinJS?

The Feature I Desire:

I am looking to add a button on a closed splitView that triggers the .openPane() function.

My Attempts So Far:

After consulting this MSDN documentation, it was suggested that the SplitView should have a method called showPane(). Referencing a codepen example, I tried using WinJS.Namespace.define() and setting a random variable with splitView: null but encountered an issue where it did not recognize the openPane() as a valid method or property. By inspecting the code generated by Visual Studio 2015, I attempted to call 

window.mySpitView.splitView.openPane()
only for it to complain about splitView being set to null. Additionally, I explored doing WinJS.UI.SplitView.openPane() which similarly threw an error stating that .openPane() is not a supported property or method.

Currently, my development environment consists of Visual Studio 2015 and WinJS 4.X (freshly installed from NuGet repository).

javascriptuisplitviewcontrollerwinjswin-universal-app

Answer №1

Your SplitView instance is not recognizing the static method openPane. To fix this, locate your SplitView using a selector similar to the one below:

var splitView = document.querySelector('[data-win-control="WinJS.UI.SplitView"]');
splitView.winControl.openPane();

By implementing this code snippet, you should be able to resolve the issue.

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