C# how to associate file extension with application
Why Stack Overflow recommends it
Stack Overflow users link it when asking how to associate a file extension with a C# application, either as a worked example they followed or as a pointer for others.
Recommended by 1 people across 1 different months, 2014 to 2016.
What it is
A screen-capture tutorial by Dawisko1 showing how to register a custom file extension for a C# Windows application so that double-clicking a file in Explorer opens it in the app. It walks through the registry entries and the shell notification call needed to make the association work.
What people said
Recommends CularBytes · 2014-11 · Stack Overflow · on “I have a ClickOnce application with file associations and am having issues with the args”
strange, as it does run your application, I assume it is associated fine (or did you manually choose what program to execute it?) I wish I could help you further but I'm not that experienced yet with file association, I found this video pretty well explained, it might help: [this video]
Cites user3225402 · 2014-02 · Stack Overflow · on “Make a custom file extension in C# (Windows 7)”
I am trying to make a file extension associated to my application like make any file with .ztr work directly with my app when user double clicks that file. I am using VS2012 , C# , Windows 7 I did simulate this example here [this video] . Sure with some modification like fix Import Dll put also failed. public static void Register (string Ext,string Program,string Ico) { string prog = Path.GetFileName(Program); RegistryKey file = Registry.CurrentUser.CreateSubKey("Software\\Classes\\"+Ext);//.osa RegistryKey App = Registry.CurrentUser.CreateSubKey("Software\\Classes\\Applications\\" + prog);//osama.exe RegistryKey Link = Registry.CurrentUser.CreateSubKey("Software\\Microsoft\\Windows\\CurrentVersi
Cites taji01 · 2016-08 · Stack Overflow · on “Open picture in picturebox using Open With”
I'm using WinForms . I'm trying to make a simple image viewer. In my Form I have a PictureBox . I want to be able to right click on any picture in my computer, Click on "Open With," click on my application from the list and the picture would open in my application. [DllImport("Shell32.dll", CharSet = CharSet.Auto, SetLastError = true)] public static extern void SHChangeNotify(uint wEventId, uint uFlags, IntPtr dwItem1, IntPtr dwItem2); public Form1() { InitializeComponent(); } public static bool IsAssociated() { return (Registry.CurrentUser.OpenSubKey("Software\\Classes\\.tif", false) == null); } public static void Associate() { RegistryKey FileReg = Registry.CurrentUser.CreateSubKey("Softwa