set_VolumeValue()

IAudioFrame::set_VolumeValue(float) method

Sets the audio volume in percents. Write float.

virtual void Aspose::Slides::IAudioFrame::set_VolumeValue(float value)=0

Remarks

Example:

System::SharedPtr<Presentation> pres = System::MakeObject<Presentation>();

// Add Audio Frame
System::SharedPtr<IAudio> audio = pres->get_Audios()->AddAudio(System::IO::File::ReadAllBytes(u"sampleaudio.mp3"));
System::SharedPtr<IAudioFrame> audioFrame = pres->get_Slide(0)->get_Shapes()->AddAudioFrameEmbedded(50.0f, 50.0f, 100.0f, 100.0f, audio);

// Set the duration of the starting fade for 200ms
audioFrame->set_VolumeValue(85.0f);

pres->Save(u"AudioFrameValue_out.pptx", SaveFormat::Pptx);

See Also

get_VolumeValue() get_TrimFromStart()