static void OverridePushSampleEvent(GLib.GType gtype, PushSampleEventNativeDelegate callback) { unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("push_sample")); *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback); } }
private Gst.FlowReturn InternalPushSampleEvent(Gst.Sample sample) { PushSampleEventNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("push_sample")); unmanaged = (PushSampleEventNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(PushSampleEventNativeDelegate)); } if (unmanaged == null) { return((Gst.FlowReturn) 0); } int __result = unmanaged(this.Handle, sample == null ? IntPtr.Zero : sample.Handle); return((Gst.FlowReturn)__result); }