使用C#打开PDF - Windows 8商店应用程序

Question

我希望能够在用户单击按钮时使用本机Windows Reader应用程序打开PDF.到目前为止,我能够使用以下代码成功打开以(.PNG)扩展名结尾的文件.但是,当我让链接打开(.PDF)文件时,我收到以下错误.

The system cannot find the file specified. (Exception from HRESULT: 0x80070002)

文件目的地是正确的.

这是我的代码:

 private async void btnLoad_Click(object sender, RoutedEventArgs e)
    {
        // Path to the file in the app package to launch
        string imageFile = @"Data\Healthcare-Flyer.pdf";

        var file = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFileAsync(imageFile);

        if (file != null)
        {
            // Set the option to show the picker
            var options = new Windows.System.LauncherOptions();
            options.DisplayApplicationPicker = true;

            // Launch the retrieved file
            bool success = await Windows.System.Launcher.LaunchFileAsync(file, options);
            if (success)
            {
                // File launched
            }
            else
            {
                // File launch failed
            }
        }
        else
        {
            // Could not find file
        }
    }
}

Answer 1

在项目中添加PDF文档时,必须更改其构建操作.

• 右键单击PDF文档.

• 单击属性.

• 更改生成操作由无到内容