static void OverrideProcess(GLib.GType gtype, ProcessNativeDelegate callback) { unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("process")); *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback); } }
private Gst.Buffer InternalProcess(Gst.Buffer in_param) { ProcessNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("process")); unmanaged = (ProcessNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(ProcessNativeDelegate)); } if (unmanaged == null) { return(null); } IntPtr __result = unmanaged(this.Handle, in_param == null ? IntPtr.Zero : in_param.Handle); return(__result == IntPtr.Zero ? null : (Gst.Buffer)GLib.Opaque.GetOpaque(__result, typeof(Gst.Buffer), true)); }