static void OverrideNeedData(GLib.GType gtype, NeedDataNativeDelegate callback) { unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("need_data")); *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback); } }
private void InternalNeedData(uint length) { NeedDataNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("need_data")); unmanaged = (NeedDataNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(NeedDataNativeDelegate)); } if (unmanaged == null) { return; } unmanaged(this.Handle, length); }
static void OverrideNeedData (Gst.GLib.GType gtype, NeedDataNativeDelegate callback) { GstAppSrcClass class_iface = GetClassStruct (gtype, false); class_iface.NeedData = callback; OverrideClassStruct (gtype, class_iface); }