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How to list the values in Speech.Recognition.Choices
Posted on 2011-03-03
In my vb.net winforms voice enabled app, I want to display to the user a list of available commands. By available, I mean the commands the speech engine is supposed to recognize. In my app there will be a limited set of about 50 or so.
( I know what commands are SUPPOSED to be there because my code added them to a supposedly empty grammar. In addition to helping the user, actually querying the engine will validate that it contains what it is supposed to contain.)
How do I pull the current values from the Speech.Recognition.Choices
In debug mode, this works to return the items one at a time (zero is an example element).
DirectCast(sc.ValidCommand
But the same code is not recognized by my winforms app when I try to add it. It will not compile because it says Oneof is not a member of Speech.Recognition.Choices
(Windows XP, Speech SDK 5.1, Net Framework 4.)
Any help appreciated.
Thanks in advance.
( I know what commands are SUPPOSED to be there because my code added them to a supposedly empty grammar. In addition to helping the user, actually querying the engine will validate that it contains what it is supposed to contain.)
How do I pull the current values from the Speech.Recognition.Choices
In debug mode, this works to return the items one at a time (zero is an example element).
DirectCast(sc.ValidCommand
But the same code is not recognized by my winforms app when I try to add it. It will not compile because it says Oneof is not a member of Speech.Recognition.Choices
(Windows XP, Speech SDK 5.1, Net Framework 4.)
Any help appreciated.
Thanks in advance.
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15 Comments
Can't you just do something like this?
For Each choice In Speech.Recognition.Choices
MsgBox choice.ToString
Next
For Each choice In Speech.Recognition.Choices
MsgBox choice.ToString
Next
This will supposedly build a treeview from all the loaded grammars:
http://msdn.microsoft.com/en-us/library/system.speech.recognition.speechrecognizer.grammars(VS.85).aspx
http://msdn.microsoft.com/en-us/library/system.speech.recognition.speechrecognizer.grammars(VS.85).aspx
I only load one grammar at a time, unloading them all between (which now that I think about it, is kind of inefficient, but that is a problem for another day...). I don't think the code Idle_Mind sent me to will show me the individual phrases inside the grammer...when I debug, all I can find for RuleName inside my grammer is "root".
I think what I need is GrammerBuilder.DebugShowPh
I think what I need is GrammerBuilder.DebugShowPh
I'll set up a test project later today after my son's doctor's appointment and try to figure it out that way if no one gets it solved by then.
Active 5 days ago
I need to understand your context...
1) Is "sc" an instance of "Choices"?
2) Do you have a Choices.ToGrammarBuilder method?
3) If you have ToGrammarBuilder, you should be able to access the DebugShowPhrases like this:
1) Is "sc" an instance of "Choices"?
2) Do you have a Choices.ToGrammarBuilder method?
3) If you have ToGrammarBuilder, you should be able to access the DebugShowPhrases like this:
choices.ToGrammarBuilder().DebugShowPhrases
I almost dismissed this answer because "DebugShowPhrases" does NOT show up in the VBE intellisense...but I decided to type it in anyway and to my surprise, VBE did not object and it compiled!
This gave me EXACTLY what I was seeking. Thanks!
This gave me EXACTLY what I was seeking. Thanks!
Active 5 days ago
Did you have the All selection for the Intellisense, or the Common? Sometimes Intellisense doesn't show, but as you found out, you can still reference it, since the compiler uses a different technique to evaluate tokens.
Maybe I saw it, because I use C#, which is a different development environment than VB.NET.
Maybe I saw it, because I use C#, which is a different development environment than VB.NET.
I use Visual Studio Express 2010, which may not have an option to modify the way the intellisense works, or it may, but I am not sure where to look....
Active 5 days ago
You get Intellisense as it is, but you can see how there are two options for viewing (Common and All):
Snapshot.png
Snapshot.png
I had never noticed those tabs before!
(But FYI, DebugShowPhrases does not show up in VSE 2010 in the intellisense under
either tab.)
More good stuff to know, though!
Thanks for the additional info!
TheLearnedOne:
Clearly, you know your way around voice recognition.
Can you check out this related question please?
http://www.experts-exchange.com/Programming/Languages/.NET/Visual_Basic.NET/Q_26884116.html
Clearly, you know your way around voice recognition.
Can you check out this related question please?
http://www.experts-exchange.com/Programming/Languages/.NET/Visual_Basic.NET/Q_26884116.html
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