Remarks
Sets a background picture from an existing bitmap handle.
For details 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 object section.
Syntax
[C++]
short control.WaveformAnalyzer.SetBackPictureFromHandle (
OLE_HANDLE hBitmap,
short nMode
);
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Parameter
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Description
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hBitmap
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Handle (HBITMAP) of the bitmap to apply. If this parameter is set to 0 an eventual picture set through a previous call to this method will be reset.
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nMode
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Bitmap mode.
Supported values are the following:
Mnemonic constant
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Value
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Meaning
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BITMAP_MODE_TOP_LEFT
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0
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Bitmap will be drawn in top-left position on the destination rectangle
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BITMAP_MODE_CENTER
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1
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Bitmap will be drawn in centered position on the destination rectangle
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BITMAP_MODE_STRETCH
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2
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Bitmap will be stretched in order to fit the destination rectangle
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BITMAP_MODE_TILE
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3
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Bitmap will be tiled in order to fill the destination rectangle
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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, check the LastError property value in order to get the error code
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enumErrorCodes.ERR_NOERROR (0)
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The method call was successful
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