Speech recognition - cut, copy, paste in C#

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I'm developing an windows application that using speech recognition.now i want to add copy, paste and cut to my application. i mean, when i select a word or sentence and say copy, the application copy that and when i say paste, paste it. how to do that? another thing, how can i change between windows with speech ?(alt+tab with voice)

What I have tried:

i can't find anything about this in internet. i find some code for copy and pasting but i don't know how to use it for speech recognition.

Posted 17-Apr-16 5:33am

brandon1999

Updated 17-Apr-16 7:42am

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Sergey Alexandrovich Kryukov 17-Apr-16 13:26pm

There is nothing you need to find on Internet. This is your own feature you have to design and implement. So, you did not try anything adequate to the task. But do try.
—SA

2 solutions

Solution 2

Well you could do worse than starting with some basics from Microsoft

Get Started with Speech Recognition[^]

Do some playing and refine what you need to know.

Posted 17-Apr-16 7:39am

leon de boer

Updated 17-Apr-16 7:40am

v2

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Sergey Alexandrovich Kryukov · Accepted Answer · 2016-04-17T07:42:00

Please see my comment to the question; this is the main answer for you.

All you need to use voice recognition is here: System.Speech.Recognition Namespace[^].

There are no any special secrets: read, understand, try out, design, implement. Be careful: presently, speech recognition bundled with Windows gives you amazingly poor fidelity (in contrast to competitor's products). But it will work with small grammars. So, my main advice is only one: create as small grammar as possible. Thoroughly pronounce words.

This is what you need to work with system clipboard:
Clipboard Class (System.Windows.Forms)[^].
or Clipboard Class (System.Windows)[^].

Other system-wide commands will be much harder. Switching between windows will take using raw Windows API you can use through P/Invoke. Nothing too hard though: Window Functions (Windows)[^]:

Apparently, you will need to master P/Invoke:
Platform Invocation Services — Wikipedia, the free encyclopedia[^].

This CodeProject article can also be useful: http://www.codeproject.com/csharp/EssentialPInvoke.asp[^].

Unfortunately, this will badly compromise your platform compatibility: your application will work only in Windows. But for you purpose, I guess you won't mind.

That's all.

—SA