But not other files or folders under the Downloads library. Your app could access the MyApp folder directly by default. You could make a try and it will helps you to understand. When the code is executed, a folder named New Folder will be created under the MyApp folder. All the folders and files your app created are listed in your app's sub-folder.įor example, you called DownloadsFolder.CreateFolderAsync("New Folder") method to create a folder. It's a sub-folder of the Downloads library. The system will automatically create a folder named by your app's name in the Downloads library first when you create files in the Downloads library. This is an archived official JS sample about file pickers but it still works for JS. Yes, you could call a FileOpenPicker or FolderPicker from javascript. ![]() Or am I simply missing some permission in the manifest? If so which?Īll help on this matter would be very gratefully received? However, you can gain access to files and folders in the user's Downloads folder by calling a file picker (FileOpenPicker or FolderPicker) so that users can navigate and pick files or folders for your app to access".Ĭan I invoke a file picker from inside javascript and would I need to add more permissions, or do I need to transition to a WebView2 based app and do this in C#?Īlso where exactly is the "user's Downloads folder that your app created"? Is this a sub-folder under "Downloads"? Does it need to be created? If so, can it be created from javascript? "By default, your app can only access files and folders in the user's Downloads folder that your app created. I have found the following information on the Microsoft Developer site In fact I cannot even create a text file in the users Downloads directory. Nearly everything works as I expected however one issue that has caused me some grief concerns the ability to create and write a text file to a user selected folder on the C:\ drive. ![]() I have created a UWP app written in HTML, CSS and Javascript by installing Visual Studio 17 and selecting Javascript - Blank App as a new project, adding the HTML, CSS and Javascript files along with a few images into the project directory, accepting the default Internet (Client) permission and running the package.
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