Classes > Waveform class > Methods > Waveform.SetBackPictureFromFile method

Remarks

Sets a background picture from a graphic file.

For further details about using the embedded Waveform refer to the Waveform class section.

For details about using Visual Feedbacks refer to the How to use embedded Visual Feedbacks section.

Syntax

[Visual Basic]

Public Function SetBackPictureFromFile (

strPathname as String

[C#]

public enumErrorCodes SetBackPictureFromFile (

string strPathname

);

[C++]

public: enumErrorCodes SetBackPictureFromFile (

string strPathname

);

Parameter

Description

strPathname

Absolute pathname of the picture file to load. Accepted graphic formats are BMP, JPEG, GIF, TIFF and PNG.

An empty pathname will reset an eventual picture set through a previous call to this method.

Return value

Value	Meaning

Negative value	An error occurred (see the LastError property for further error details)
enumErrorCodes.ERR_NOERROR (0)	The method call was successful.