Remarks
Creates a graphic file containing a snapshot of the full waveform analyzer window as seen on the user interface.
For details about generating a waveform bitmap of the recorded sound and about the use of the Waveform Analyzer refer to the How to use the Waveform Analyzer section.
For further details about methods of the Waveform Analyzer refer to the WaveformAnalyzer class section.
Syntax
Parameter
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Description
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strPathname
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String containing the absolute pathname of the file where the waveform will be saved.
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nFormat
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Graphic format used to save the bitmap.
Supported values are the following:
Mnemonic value
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Value
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Meaning
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GRAPHIC_FORMAT_BMP
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0
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BMP format
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GRAPHIC_FORMAT_JPEG
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1
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JPEG format
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GRAPHIC_FORMAT_PNG
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2
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PNG format
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GRAPHIC_FORMAT_GIF
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3
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GIF format
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GRAPHIC_FORMAT_TIFF
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4
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TIFF format
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nFormatParameter
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Eventual parameters required by the chosen graphic format.
When the nFormat parameter is set to GRAPHIC_FORMAT_JPEG, this parameter defines the JPEG compression factor whose range can be in the range from 0 (Maximum compression, Lower Quality) to 100 (Minimum compression, Higher Quality).
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Return value
Value
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Meaning
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Negative value
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An error occurred (see the LastError property for further error details)
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enumErrorCodes.ERR_NOERROR (0)
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The method call was successful and the waveform's bitmap was saved inside the BMP file indicated by the strPathname parameter.
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