IconTheme.setCustomTheme

void setCustomTheme(string themeName = null)

Sets the name of the icon theme that the #GtkIconTheme object uses overriding system configuration. This function cannot be called on the icon theme objects returned from [gtk.icon_theme.IconTheme.getDefault] and [gtk.icon_theme.IconTheme.getForScreen].

Parameters

themeName name of icon theme to use instead of configured theme, or null to unset a previously set custom theme