static void OverrideDrawValue(GLib.GType gtype, DrawValueNativeDelegate callback) { unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("draw_value")); *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback); } }
private void InternalDrawValue() { DrawValueNativeDelegate unmanaged = class_abi.BaseOverride <DrawValueNativeDelegate>(this.LookupGType(), "draw_value"); if (unmanaged == null) { return; } unmanaged(this.Handle); }
private void InternalDrawValue() { DrawValueNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("draw_value")); unmanaged = (DrawValueNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(DrawValueNativeDelegate)); } if (unmanaged == null) { return; } unmanaged(this.Handle); }
static void OverrideDrawValue (GLib.GType gtype, DrawValueNativeDelegate callback) { GtkScaleClass class_iface = GetClassStruct (gtype, false); class_iface.DrawValue = callback; OverrideClassStruct (gtype, class_iface); }