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. (http://www.novell.com)
23 // Peter Bartok (pbartok@novell.com)
29 namespace System.Windows.Forms {
30 public class OSFeature : FeatureSupport {
31 #region Local Variables
32 private static OSFeature feature = new OSFeature();
33 #endregion // Local Variables
35 #region Protected Constructors
36 protected OSFeature() {
39 #endregion // Protected Constructors
41 #region Public Static Fields
42 public static readonly object LayeredWindows;
43 public static readonly object Themes;
44 #endregion // Public Static Fields
46 #region Public Static Properties
47 public static OSFeature Feature {
53 public static bool IsPresent (SystemParameter enumVal)
55 #pragma warning disable 219
57 #pragma warning restore 219
60 case SystemParameter.DropShadow:
62 o = SystemInformation.IsDropShadowEnabled;
64 } catch (Exception) { return false; }
65 case SystemParameter.FlatMenu:
67 o = SystemInformation.IsFlatMenuEnabled;
69 } catch (Exception) { return false; }
70 case SystemParameter.FontSmoothingContrastMetric:
72 o = SystemInformation.FontSmoothingContrast;
74 } catch (Exception) { return false; }
75 case SystemParameter.FontSmoothingTypeMetric:
77 o = SystemInformation.FontSmoothingType;
79 } catch (Exception) { return false; }
80 case SystemParameter.MenuFadeEnabled:
82 o = SystemInformation.IsMenuFadeEnabled;
84 } catch (Exception) { return false; }
85 case SystemParameter.SelectionFade:
87 o = SystemInformation.IsSelectionFadeEnabled;
89 } catch (Exception) { return false; }
90 case SystemParameter.ToolTipAnimationMetric:
92 o = SystemInformation.IsToolTipAnimationEnabled;
94 } catch (Exception) { return false; }
95 case SystemParameter.UIEffects:
97 o = SystemInformation.UIEffectsEnabled;
99 } catch (Exception) { return false; }
100 case SystemParameter.CaretWidthMetric:
102 o = SystemInformation.CaretWidth;
104 } catch (Exception) { return false; }
105 case SystemParameter.VerticalFocusThicknessMetric:
107 o = SystemInformation.VerticalFocusThickness;
109 } catch (Exception) { return false; }
110 case SystemParameter.HorizontalFocusThicknessMetric:
112 o = SystemInformation.HorizontalFocusThickness;
114 } catch (Exception) { return false; }
119 #endregion // Public Static Properties
121 #region Public Instance Methods
122 public override Version GetVersionPresent(object feature) {
123 if (feature == Themes) {
124 return ThemeEngine.Current.Version;
128 #endregion // Public Instance Methods