Exemplo n.º 1
0
 static void OverrideCreateElement(GLib.GType gtype, CreateElementNativeDelegate callback)
 {
     unsafe {
         IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("create_element"));
         *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback);
     }
 }
Exemplo n.º 2
0
        private Gst.Element InternalCreateElement(string name)
        {
            CreateElementNativeDelegate unmanaged = null;

            unsafe {
                IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("create_element"));
                unmanaged = (CreateElementNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(CreateElementNativeDelegate));
            }
            if (unmanaged == null)
            {
                return(null);
            }

            IntPtr native_name = GLib.Marshaller.StringToPtrGStrdup(name);
            IntPtr __result    = unmanaged(this.Handle, native_name);

            GLib.Marshaller.Free(native_name);
            return(GLib.Object.GetObject(__result, true) as Gst.Element);
        }