Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / DesignBindingPropertyDescriptor.cs / 1 / DesignBindingPropertyDescriptor.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Windows.Forms.Design { using System; using System.ComponentModel; ////// /// internal class DesignBindingPropertyDescriptor : PropertyDescriptor { private static TypeConverter designBindingConverter = new DesignBindingConverter(); private PropertyDescriptor property; private bool readOnly; // base.AttributeArray ends up calling the virtual FillAttributes, but we do not override it, so we should be okay. [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")] internal DesignBindingPropertyDescriptor(PropertyDescriptor property, Attribute[] attrs, bool readOnly) : base(property.Name, attrs) { this.property = property; this.readOnly = readOnly; if (base.AttributeArray != null && base.AttributeArray.Length > 0) { Attribute[] newAttrs = new Attribute[AttributeArray.Length + 2]; AttributeArray.CopyTo(newAttrs, 0); newAttrs[AttributeArray.Length-1] = NotifyParentPropertyAttribute.Yes; newAttrs[AttributeArray.Length] = RefreshPropertiesAttribute.Repaint; base.AttributeArray = newAttrs; } else { base.AttributeArray = new Attribute[]{NotifyParentPropertyAttribute.Yes, RefreshPropertiesAttribute.Repaint}; } } ///Provides a property descriptor for design time data binding properties. ////// /// public override Type ComponentType { get { return typeof(ControlBindingsCollection); } } ///Gets or sets the type of the component that owns the property. ////// /// public override TypeConverter Converter { get { return designBindingConverter; } } ///Gets or sets the type converter. ////// /// public override bool IsReadOnly { get { return readOnly; } } ///Indicates whether the property is read-only. ////// /// public override Type PropertyType { get { return typeof(DesignBinding); } } ///Gets or sets the type of the property. ////// /// public override bool CanResetValue(object component) { return !GetBinding((ControlBindingsCollection)component, property).IsNull; } ///Gets a value indicating whether the specified component can reset the value /// of the property. ////// /// public override object GetValue(object component) { return GetBinding((ControlBindingsCollection)component, property); } ///Gets a value from the specified component. ////// /// public override void ResetValue(object component) { SetBinding((ControlBindingsCollection)component, property, DesignBinding.Null); } ///Resets the value of the specified component. ////// /// public override void SetValue(object component, object value) { SetBinding((ControlBindingsCollection)component, property, (DesignBinding)value); OnValueChanged(component, EventArgs.Empty); } ///Sets the specified value for the specified component. ////// /// public override bool ShouldSerializeValue(object component) { return false; } private static void SetBinding(ControlBindingsCollection bindings, PropertyDescriptor property, DesignBinding designBinding) { // this means it couldn't be parsed. if (designBinding == null) return; Binding listBinding = bindings[property.Name]; if (listBinding != null) { bindings.Remove(listBinding); } if (!designBinding.IsNull) { bindings.Add(property.Name, designBinding.DataSource, designBinding.DataMember); } } private static DesignBinding GetBinding(ControlBindingsCollection bindings, PropertyDescriptor property) { Binding listBinding = bindings[property.Name]; if (listBinding == null) return DesignBinding.Null; else return new DesignBinding(listBinding.DataSource, listBinding.BindingMemberInfo.BindingMember); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.Indicates whether the specified component should persist the value. ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TreeIterator.cs
- VisualStyleRenderer.cs
- DataSourceViewSchemaConverter.cs
- FormViewRow.cs
- CanonicalXml.cs
- FlagsAttribute.cs
- WriterOutput.cs
- SettingsContext.cs
- _IPv4Address.cs
- FieldAccessException.cs
- CodeNamespaceImport.cs
- XPathNavigator.cs
- PingReply.cs
- ContainerParagraph.cs
- xmlfixedPageInfo.cs
- ServiceChannelFactory.cs
- EntityContainerRelationshipSet.cs
- SafeNativeMethods.cs
- SqlRowUpdatingEvent.cs
- EntitySetBase.cs
- CustomAttribute.cs
- SslStream.cs
- SHA1Managed.cs
- Timeline.cs
- DependencyObjectCodeDomSerializer.cs
- RegistryConfigurationProvider.cs
- ElementNotAvailableException.cs
- BuildProviderAppliesToAttribute.cs
- TypeDescriptionProvider.cs
- TextAdaptor.cs
- InternalResources.cs
- SafeSecurityHelper.cs
- ProcessInfo.cs
- ResourceCategoryAttribute.cs
- FileSecurity.cs
- ColumnClickEvent.cs
- BasicKeyConstraint.cs
- KoreanLunisolarCalendar.cs
- MetadataItemSerializer.cs
- InvalidDocumentContentsException.cs
- TextDocumentView.cs
- Literal.cs
- HttpCookieCollection.cs
- HyperLinkField.cs
- AsyncOperationManager.cs
- LowerCaseStringConverter.cs
- InvalidPrinterException.cs
- ResourceSet.cs
- ImageIndexConverter.cs
- MsmqBindingBase.cs
- TemplateField.cs
- TraceSource.cs
- ComponentEditorPage.cs
- IsolatedStoragePermission.cs
- HtmlForm.cs
- InternalSafeNativeMethods.cs
- AddInController.cs
- ColumnMapTranslator.cs
- AmbientValueAttribute.cs
- _LazyAsyncResult.cs
- DataGridViewControlCollection.cs
- SingleObjectCollection.cs
- CustomPopupPlacement.cs
- ElementUtil.cs
- DecodeHelper.cs
- MetafileHeaderWmf.cs
- hresults.cs
- ContextBase.cs
- ZoneIdentityPermission.cs
- CodeParameterDeclarationExpression.cs
- EntityTypeBase.cs
- SqlFunctionAttribute.cs
- TextSelectionHighlightLayer.cs
- RichTextBoxDesigner.cs
- BamlRecords.cs
- RedistVersionInfo.cs
- ElementAction.cs
- ActionFrame.cs
- MSAAWinEventWrap.cs
- Popup.cs
- CommandBindingCollection.cs
- DependencyPropertyValueSerializer.cs
- contentDescriptor.cs
- SystemResourceKey.cs
- BindUriHelper.cs
- Stream.cs
- RtfToXamlReader.cs
- RoleService.cs
- SqlErrorCollection.cs
- Token.cs
- DefaultTextStore.cs
- WebPartExportVerb.cs
- MimeMultiPart.cs
- SerializationHelper.cs
- Int64Converter.cs
- SubpageParagraph.cs
- Exceptions.cs
- StylusTip.cs
- Operand.cs
- AppDomainCompilerProxy.cs