* **Electron Version** (output of `node_modules/.bin/electron --version`): *4.0.4, 3.1.3, 2.0.17 * **Operating System** (Platform and Version): * Windows 10 * **Last known working Electron version** (if applicable): * works on Mac, Linux ### Expected Behavior <!-- A clear and concise description of what you expected to happen. --> app is fullscreeen ### Actual behavior <!-- A clear and concise description of what actually happened. --> app is not fullscreen ### To Reproduce ``` mainWindow = new BrowserWindow({width: 800, height: 600, x:1, y:2}) mainWindow.once('ready-to-show', () => { mainWindow.setFullscreen(true) }) ``` <!-- Your best chance of getting this bug looked at quickly is to provide a REPOSITORY that can be cloned and run. --> <!-- You can fork [electron-quick-start](https://github.com/electron/electron-quick-start) and include a link to the branch with your changes. --> <!-- If you provide a URL, please list the commands required to clone/setup/run your repo e.g. ```sh $ git clone $YOUR_URL -b $BRANCH $ npm install $ npm start || electron . ``` --> ### Screenshots <!-- If applicable, add screenshots to help explain your problem. --> ### Additional Information <!-- Add any other context about the problem here. --> Works on Linux, MacOS