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.Runtime.InteropServices;
34 using System.Runtime.Serialization;
37 namespace System.Windows.Forms {
39 public class CursorConverter : TypeConverter {
41 public CursorConverter ()
45 public override bool CanConvertFrom (ITypeDescriptorContext context, Type source_type)
47 if (source_type == typeof (byte []))
49 return base.CanConvertFrom (context, source_type);
52 public override bool CanConvertTo (ITypeDescriptorContext context, Type dest_type)
54 if (dest_type == typeof (byte []))
56 return base.CanConvertTo (context, dest_type);
59 public override object ConvertFrom (ITypeDescriptorContext context,
60 CultureInfo culture, object value)
62 byte [] val = value as byte [];
64 return base.ConvertFrom (context, culture, value);
66 using (MemoryStream s = new MemoryStream (val)) {
67 return new Cursor (s);
71 public override object ConvertTo (ITypeDescriptorContext context, CultureInfo culture,
72 object value, Type dest_type)
74 if (dest_type == null)
75 throw new ArgumentNullException ("destinationType");
77 if ( !(value is Cursor)) {
78 throw new ArgumentException("object must be of class Cursor", "value");
81 if (dest_type == typeof (byte [])) {
91 si = new SerializationInfo(typeof(Cursor), new FormatterConverter());
92 ((ISerializable)c).GetObjectData(si, new StreamingContext(StreamingContextStates.Remoting));
94 return (byte[])si.GetValue("CursorData", typeof(byte[]));
96 return base.ConvertTo (context, culture, value, dest_type);
99 public override StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
101 PropertyDescriptorCollection props = TypeDescriptor.GetProperties (typeof (Cursors));
102 ArrayList vals = new ArrayList ();
104 for (int i = 0; i < props.Count; i++)
105 vals.Add (props [i].GetValue (null));
106 return new StandardValuesCollection (vals);
109 public override bool GetStandardValuesSupported (ITypeDescriptorContext context)