static void OverrideGetPreferredWidthForHeight(GLib.GType gtype, GetPreferredWidthForHeightNativeDelegate callback) { unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("get_preferred_width_for_height")); *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback); } }
private void InternalGetPreferredWidthForHeight(int height, out int minimum_width, out int natural_width) { GetPreferredWidthForHeightNativeDelegate unmanaged = class_abi.BaseOverride <GetPreferredWidthForHeightNativeDelegate>(this.LookupGType(), "get_preferred_width_for_height"); if (unmanaged == null) { throw new InvalidOperationException("No base method to invoke"); } unmanaged(this.Handle, height, out minimum_width, out natural_width); }
private void InternalGetPreferredWidthForHeight(int height, out int minimum_width, out int natural_width) { GetPreferredWidthForHeightNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("get_preferred_width_for_height")); unmanaged = (GetPreferredWidthForHeightNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(GetPreferredWidthForHeightNativeDelegate)); } if (unmanaged == null) { throw new InvalidOperationException("No base method to invoke"); } unmanaged(this.Handle, height, out minimum_width, out natural_width); }
static void OverrideGetPreferredWidthForHeight (GLib.GType gtype, GetPreferredWidthForHeightNativeDelegate callback) { GtkWidgetClass class_iface = GetClassStruct (gtype, false); class_iface.GetPreferredWidthForHeight = callback; OverrideClassStruct (gtype, class_iface); }