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Interface: ISpeechRecoGrammar
The CmdLoadFromFile method loads a command and control grammar from the specified file.
The grammar may be compiled or uncompiled, and it can be loaded for static or dynamic use, as specified in the LoadOption parameter.
ISpeechRecoGrammar.CmdLoadFromFile(
FileName As String,
[LoadOption As SpeechLoadOption = SLOStatic]
)
None.
The following Visual Basic form code demonstrates the use of the CmdLoadFromFile and the CmdLoadFromMemory methods. To run this code, create a form with the following control:
Paste this code into the Declarations section of the form.
The Form_Load procedure creates two grammar objects and uses the CmdLoadFromFile method to load the Solitaire rules into the first grammar. The Command1_Click procedure calls a subroutine called GrammarToMemory, which creates a temporary grammar in a Variant variable, and returns this grammar to the caller. The Command1 procedure then reloads the first grammar with the temporary grammar.
Option Explicit
Dim C As SpeechLib.SpSharedRecoContext
Dim G1 As SpeechLib.ISpeechRecoGrammar
Dim G2 As SpeechLib.ISpeechRecoGrammar
Private Sub Command1_Click()
Dim GT As Variant 'Temp grammar in Variant variable
GT = GrammarToMemory(G1) 'GT is temp version of grammar G
Call G2.CmdLoadFromMemory(GT, SLOStatic)
End Sub
Private Sub Form_Load()
Set C = New SpSharedRecoContext
Set G1 = C.CreateGrammar
Set G2 = C.CreateGrammar
Call G1.CmdLoadFromFile("c:\sol.xml", SLODynamic)
End Sub
Private Function GrammarToMemory(objGRM As SpeechLib.ISpeechRecoGrammar) As Variant
'Make changes to a standard grammar, and save it as temp grammar.
'Add rules to the grammar, delete rules from the grammar, or other changes here.
'Return the variant from ISpeechGrammarRules.CommitAndSave
GrammarToMemory = objGRM.Rules.CommitAndSave("")
End Function
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