static void OverrideComputeChildAllocation(GLib.GType gtype, ComputeChildAllocationNativeDelegate callback) { unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("compute_child_allocation")); *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback); } }
private void InternalComputeChildAllocation(Gdk.Rectangle allocation) { ComputeChildAllocationNativeDelegate unmanaged = class_abi.BaseOverride <ComputeChildAllocationNativeDelegate>(this.LookupGType(), "compute_child_allocation"); if (unmanaged == null) { return; } IntPtr native_allocation = GLib.Marshaller.StructureToPtrAlloc(allocation); unmanaged(this.Handle, native_allocation); Marshal.FreeHGlobal(native_allocation); }
private void InternalComputeChildAllocation(Gdk.Rectangle allocation) { ComputeChildAllocationNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("compute_child_allocation")); unmanaged = (ComputeChildAllocationNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(ComputeChildAllocationNativeDelegate)); } if (unmanaged == null) { return; } IntPtr native_allocation = GLib.Marshaller.StructureToPtrAlloc(allocation); unmanaged(this.Handle, native_allocation); Marshal.FreeHGlobal(native_allocation); }
static void OverrideComputeChildAllocation (GLib.GType gtype, ComputeChildAllocationNativeDelegate callback) { GtkFrameClass class_iface = GetClassStruct (gtype, false); class_iface.ComputeChildAllocation = callback; OverrideClassStruct (gtype, class_iface); }