How can I set a file association from a custom file type to a program

Question

Let\'s say I make a custom file that actually corresponds to what my program can read called \"Bacon.dek\". I can access it, modify it, etc. normally from my program, with only

Answer 1

Basically you have to do this -

In registry add these keys

[HKEY_CURRENT_USER\Software\Classes\dekEditor\shell\open\command]<br/>
@="c:\path\to\app.exe \"%1\""<br/>
[HKEY_CURRENT_USER\Software\Classes\.dek]<br/>
@="dekEditor"<br/>

This is a 2 step task.First you associate your extension .dek with dekEditor (2nd entry) and then specify it in Classes(1st entry).

Answer taken from: Create registry entry to associate file extension with application in C++

MSDN Article.