1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
7 // the following conditions:
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 // Copyright (c) 2005 Novell, Inc.
23 // Jackson Harper (jackson@ximian.com)
29 using System.Drawing.Imaging;
30 using System.Collections;
31 using System.ComponentModel;
32 using System.Globalization;
33 using System.Reflection;
34 using System.Runtime.InteropServices;
35 using System.Runtime.Serialization;
38 namespace System.Windows.Forms {
40 public class CursorConverter : TypeConverter {
42 public CursorConverter ()
46 public override bool CanConvertFrom (ITypeDescriptorContext context, Type source_type)
48 if (source_type == typeof (byte []))
50 return base.CanConvertFrom (context, source_type);
53 public override bool CanConvertTo (ITypeDescriptorContext context, Type dest_type)
55 if (dest_type == typeof (byte []))
57 return base.CanConvertTo (context, dest_type);
60 public override object ConvertFrom (ITypeDescriptorContext context,
61 CultureInfo culture, object value)
63 byte [] val = value as byte [];
65 return base.ConvertFrom (context, culture, value);
67 using (MemoryStream s = new MemoryStream (val)) {
68 return new Cursor (s);
72 public override object ConvertTo (ITypeDescriptorContext context, CultureInfo culture,
73 object value, Type dest_type)
75 if (dest_type == null)
76 throw new ArgumentNullException ("destinationType");
78 if ( !(value is Cursor)) {
79 throw new ArgumentException("object must be of class Cursor", "value");
82 if (dest_type == typeof (byte [])) {
92 si = new SerializationInfo(typeof(Cursor), new FormatterConverter());
93 ((ISerializable)c).GetObjectData(si, new StreamingContext(StreamingContextStates.Remoting));
95 return (byte[])si.GetValue("CursorData", typeof(byte[]));
97 return base.ConvertTo (context, culture, value, dest_type);
100 public override StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
102 PropertyInfo[] props = typeof (Cursors).GetProperties();
104 ArrayList vals = new ArrayList ();
106 for (int i = 0; i < props.Length; i++) {
107 vals.Add (props [i].GetValue (null, null));
109 return new StandardValuesCollection (vals);
112 public override bool GetStandardValuesSupported (ITypeDescriptorContext context)