GtkSharp/gdk/Property.custom

// Gdk.Property.custom - Custom implementation for Property class
//
// Authors: Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2007 Novell, Inc.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General 
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.


		[DllImport("libgdk-win32-2.0-0.dll")]
		static extern void gdk_property_change(IntPtr window, IntPtr property, IntPtr type, int format, int mode, out byte data, int nelements);

		[Obsolete ("Replaced by corrected overload with data parameter")]
		public static byte Change(Gdk.Window window, Gdk.Atom property, Gdk.Atom type, int format, Gdk.PropMode mode, int nelements) {
			byte data;
			gdk_property_change(window == null ? IntPtr.Zero : window.Handle, property == null ? IntPtr.Zero : property.Handle, type == null ? IntPtr.Zero : type.Handle, format, (int) mode, out data, nelements);
			return data;
		}

		[DllImport("libgdk-win32-2.0-0.dll")]
		static extern bool gdk_property_get(IntPtr window, IntPtr property, IntPtr type, UIntPtr offset, UIntPtr length, int pdelete, out IntPtr actual_property_type, out int actual_format, out int actual_length, out IntPtr data);

		public static bool Get(Gdk.Window window, Gdk.Atom property, Gdk.Atom type, ulong offset, ulong length, int pdelete, out Gdk.Atom actual_property_type, out int actual_format, out int actual_length, out byte[] data) {
			IntPtr actual_property_type_as_native;
			IntPtr actual_data;
			bool raw_ret = gdk_property_get(window == null ? IntPtr.Zero : window.Handle, property == null ? IntPtr.Zero : property.Handle, type == null ? IntPtr.Zero : type.Handle, new UIntPtr (offset), new UIntPtr (length), pdelete, out actual_property_type_as_native, out actual_format, out actual_length, out actual_data);
			data = null;
			if (raw_ret) {
				data = new byte [actual_length];
				Marshal.Copy (actual_data, data, 0, actual_length);
				GLib.Marshaller.Free (actual_data);
			}

			bool ret = raw_ret;
			actual_property_type = actual_property_type_as_native == IntPtr.Zero ? null : (Gdk.Atom) GLib.Opaque.GetOpaque (actual_property_type_as_native, typeof (Gdk.Atom), false);
			return ret;
		}