static void OverrideGetPreferredHeightForWidth(GLib.GType gtype, GetPreferredHeightForWidthNativeDelegate callback) { unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("get_preferred_height_for_width")); *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback); } }
private void InternalGetPreferredHeightForWidth(int width, out int minimum_height, out int natural_height) { GetPreferredHeightForWidthNativeDelegate unmanaged = class_abi.BaseOverride <GetPreferredHeightForWidthNativeDelegate>(this.LookupGType(), "get_preferred_height_for_width"); if (unmanaged == null) { throw new InvalidOperationException("No base method to invoke"); } unmanaged(this.Handle, width, out minimum_height, out natural_height); }
private void InternalGetPreferredHeightForWidth(int width, out int minimum_height, out int natural_height) { GetPreferredHeightForWidthNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("get_preferred_height_for_width")); unmanaged = (GetPreferredHeightForWidthNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(GetPreferredHeightForWidthNativeDelegate)); } if (unmanaged == null) { throw new InvalidOperationException("No base method to invoke"); } unmanaged(this.Handle, width, out minimum_height, out natural_height); }
static void OverrideGetPreferredHeightForWidth (GLib.GType gtype, GetPreferredHeightForWidthNativeDelegate callback) { GtkWidgetClass class_iface = GetClassStruct (gtype, false); class_iface.GetPreferredHeightForWidth = callback; OverrideClassStruct (gtype, class_iface); }