Sets the icon for window. Warns on failure if err is null.
This function is equivalent to calling gtk.window.Window.setIcon with a pixbuf created by loading the image from filename.
location of icon file
true if setting the icon succeeded.
ErrorWrap
Sets the icon for window. Warns on failure if err is null.
This function is equivalent to calling gtk.window.Window.setIcon with a pixbuf created by loading the image from filename.