2001-09-19 04:04:57 +02:00
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// Object.cs - GObject class wrapper implementation
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//
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2001-09-27 19:17:33 +02:00
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// Authors: Bob Smith <bob@thestuff.net>
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// Mike Kestner <mkestner@speakeasy.net>
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2001-09-19 04:04:57 +02:00
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//
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2001-09-27 19:17:33 +02:00
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// (c) 2001 Bob Smith and Mike Kestner
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2001-09-19 04:04:57 +02:00
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2001-09-19 13:37:15 +02:00
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namespace GLib {
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2001-09-19 04:04:57 +02:00
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using System;
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2001-09-20 06:03:27 +02:00
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using System.Collections;
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2001-09-19 13:37:15 +02:00
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using System.ComponentModel;
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2001-09-19 04:04:57 +02:00
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using System.Runtime.InteropServices;
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2001-09-27 20:39:53 +02:00
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/// <summary>
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/// Object Class
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/// </summary>
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///
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/// <remarks>
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/// Wrapper class for GObject.
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/// </remarks>
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2002-09-04 07:25:58 +02:00
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public class Object : IWrapper, IDisposable {
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2001-09-27 20:39:53 +02:00
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// Private class and instance members
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IntPtr _obj;
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EventHandlerList _events;
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2002-09-04 07:25:58 +02:00
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bool disposed = false;
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2001-09-27 20:39:53 +02:00
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Hashtable Data;
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static Hashtable Objects = new Hashtable();
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2002-09-04 07:25:58 +02:00
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~Object ()
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{
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Dispose ();
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}
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/// <summary>
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/// Dispose Method
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/// </summary>
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///
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/// <remarks>
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/// Disposes of the raw object. Only override this if
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/// the Raw object should not be unref'd when the object
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/// is garbage collected.
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/// </remarks>
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public void Dispose ()
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{
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if (disposed)
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return;
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DisposeNative ();
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disposed = true;
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}
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[DllImport("gobject-2.0")]
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static extern void g_object_unref (IntPtr raw);
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protected virtual void DisposeNative ()
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{
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if (_obj == IntPtr.Zero)
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return;
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g_object_unref (_obj);
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}
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2001-09-27 20:39:53 +02:00
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/// <summary>
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/// GetObject Shared Method
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/// </summary>
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///
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/// <remarks>
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/// Used to obtain a CLI typed object associated with a
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/// given raw object pointer. This method is primarily
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/// used to wrap object references that are returned
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/// by either the signal system or raw class methods that
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/// return GObject references.
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/// </remarks>
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///
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/// <returns>
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/// The wrapper instance.
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/// </returns>
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2001-09-19 06:47:48 +02:00
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public static Object GetObject(IntPtr o)
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{
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2001-09-21 18:24:46 +02:00
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Object obj = (Object)Objects[(int)o];
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if (obj != null) return obj;
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2002-08-08 06:48:41 +02:00
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return GtkSharp.ObjectManager.CreateObject(o);
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2001-09-19 04:04:57 +02:00
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}
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2001-09-20 06:03:27 +02:00
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2002-02-03 04:44:10 +01:00
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/// <summary>
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/// Object Constructor
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/// </summary>
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///
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/// <remarks>
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/// Dummy constructor needed for derived classes.
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/// </remarks>
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public Object () {}
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/// <summary>
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/// Object Constructor
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/// </summary>
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///
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/// <remarks>
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/// Creates an object from a raw object reference.
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/// </remarks>
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public Object (IntPtr raw)
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{
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Raw = raw;
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2002-02-03 04:44:10 +01:00
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}
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2001-09-27 20:39:53 +02:00
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/// <summary>
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/// Raw Property
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2001-09-27 20:39:53 +02:00
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/// </summary>
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///
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/// <remarks>
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/// The raw GObject reference associated with this wrapper.
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2001-10-07 02:41:52 +02:00
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/// Only subclasses of Object can access this read/write
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/// property. For public read-only access, use the
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/// Handle property.
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2001-09-27 20:39:53 +02:00
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/// </remarks>
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protected IntPtr Raw {
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get {
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return _obj;
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}
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set {
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Objects [value] = this;
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_obj = value;
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}
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}
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2002-08-09 05:56:27 +02:00
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/// <summary>
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/// GType Property
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/// </summary>
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///
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/// <remarks>
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/// The type associated with this object class.
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/// </remarks>
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public static int GType {
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get {
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return 0;
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}
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}
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2001-10-07 02:41:52 +02:00
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/// <summary>
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/// Handle Property
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/// </summary>
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///
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/// <remarks>
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/// The raw GObject reference associated with this object.
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/// Subclasses can use Raw property for read/write
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/// access.
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/// </remarks>
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public IntPtr Handle {
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get {
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return _obj;
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}
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}
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2001-09-27 20:39:53 +02:00
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/// <summary>
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2002-01-12 03:08:16 +01:00
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/// EventList Property
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2001-09-27 20:39:53 +02:00
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/// </summary>
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///
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/// <remarks>
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/// A list object containing all the events for this
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/// object indexed by the Gtk+ signal name.
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/// </remarks>
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2002-01-12 03:08:16 +01:00
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protected EventHandlerList EventList {
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get {
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if (_events == null)
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_events = new EventHandlerList ();
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return _events;
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2001-09-19 04:04:57 +02:00
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}
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}
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2001-09-19 06:47:48 +02:00
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2001-10-31 02:31:05 +01:00
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/// <summary>
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/// Equals Method
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/// </summary>
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///
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/// <remarks>
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/// Checks equivalence of two Objects.
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/// </remarks>
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public override bool Equals (object o)
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{
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if (!(o is Object))
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return false;
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return (Handle == ((Object) o).Handle);
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}
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/// <summary>
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/// GetHashCode Method
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/// </summary>
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///
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/// <remarks>
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/// Calculates a hashing value.
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/// </remarks>
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public override int GetHashCode ()
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{
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return Handle.GetHashCode ();
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}
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2001-09-27 20:39:53 +02:00
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/// <summary>
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/// GetData Method
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/// </summary>
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///
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/// <remarks>
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/// Accesses arbitrary data storage on the Object.
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/// </remarks>
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2001-09-20 06:03:27 +02:00
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2002-06-05 23:59:10 +02:00
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public object GetData (string key)
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{
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if (Data == null)
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return String.Empty;
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return Data [key];
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2001-09-20 06:03:27 +02:00
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}
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2001-09-27 20:39:53 +02:00
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/// <summary>
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/// SetData Method
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/// </summary>
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///
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/// <remarks>
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/// Stores arbitrary data on the Object.
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/// </remarks>
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2001-09-19 04:04:57 +02:00
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2002-06-05 23:59:10 +02:00
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public void SetData (string key, object val)
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{
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if (Data == null)
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Data = new Hashtable ();
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Data [key] = val;
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2001-09-19 04:04:57 +02:00
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}
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2001-09-20 06:03:27 +02:00
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_object_get_property (
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IntPtr obj, string name, IntPtr val);
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2001-09-28 20:23:14 +02:00
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/// <summary>
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/// GetProperty Method
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/// </summary>
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///
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/// <remarks>
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2002-05-02 23:57:41 +02:00
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/// Accesses a Value Property.
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2001-09-28 20:23:14 +02:00
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/// </remarks>
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2002-06-05 23:59:10 +02:00
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public void GetProperty (String name, GLib.Value val)
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2001-09-28 20:23:14 +02:00
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{
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g_object_get_property (Raw, name, val.Handle);
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2001-09-28 20:23:14 +02:00
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}
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2002-06-23 20:49:33 +02:00
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[DllImport("gobject-2.0")]
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static extern void g_object_set_property (
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IntPtr obj, string name, IntPtr val);
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2002-01-12 03:08:16 +01:00
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/// <summary>
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/// SetProperty Method
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/// </summary>
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///
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/// <remarks>
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2002-05-02 23:57:41 +02:00
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/// Accesses a Value Property.
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2002-01-12 03:08:16 +01:00
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/// </remarks>
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2002-05-02 23:57:41 +02:00
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public void SetProperty (String name, GLib.Value val)
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2002-01-12 03:08:16 +01:00
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{
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2002-05-02 23:57:41 +02:00
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g_object_set_property (Raw, name, val.Handle);
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2002-01-12 03:08:16 +01:00
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}
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2002-09-01 06:46:38 +02:00
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[DllImport("gtksharpglue")]
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static extern bool gtksharp_is_object (IntPtr obj);
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internal static bool IsObject (IntPtr obj)
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{
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return gtksharp_is_object (obj);
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}
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2001-09-19 04:04:57 +02:00
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}
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}
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