static void OverrideQuery(GLib.GType gtype, QueryNativeDelegate callback) { unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("query")); *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback); } }
private bool InternalQuery(Gst.Pad pad, Gst.Query query) { QueryNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("query")); unmanaged = (QueryNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(QueryNativeDelegate)); } if (unmanaged == null) { return(false); } bool __result = unmanaged(this.Handle, pad == null ? IntPtr.Zero : pad.Handle, query == null ? IntPtr.Zero : query.Handle); return(__result); }
static void OverrideQuery (Gst.GLib.GType gtype, QueryNativeDelegate callback) { GstElementClass class_iface = GetClassStruct (gtype, false); class_iface.Query = callback; OverrideClassStruct (gtype, class_iface); }