saveToStreamv  
  open fun saveToStreamv(stream: <Error class: unknown class>, type: String, optionKeys: List<String>? = null, optionValues: List<String>? = null, cancellable: <Error class: unknown class>? = null): <Error class: unknown class><Boolean>(source)
Saves pixbuf to an output stream.
Supported file formats are currently "jpeg", "tiff", "png", "ico" or "bmp".
See method@GdkPixbuf.Pixbuf.save_to_stream for more details.
Return
TRUE if the pixbuf was saved successfully, FALSE if an error was set.
Since
2.36
Parameters
stream
a GOutputStream to save the pixbuf to
type
name of file format
optionKeys 
name of options to set
optionValues 
values for named options
cancellable
optional GCancellable object, NULL to ignore