Code:
/ DotNET / DotNET / 8.0 / 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
- DescendantQuery.cs
- HandleRef.cs
- StringValidator.cs
- ArraySegment.cs
- ContractMapping.cs
- XpsImage.cs
- StringExpressionSet.cs
- RowToParametersTransformer.cs
- ChtmlLinkAdapter.cs
- MemberHolder.cs
- HttpRawResponse.cs
- Rect.cs
- XmlDeclaration.cs
- CallbackTimeoutsBehavior.cs
- SqlMultiplexer.cs
- ExternalFile.cs
- selecteditemcollection.cs
- CryptoStream.cs
- PageStatePersister.cs
- StrongNamePublicKeyBlob.cs
- SqlFactory.cs
- ConstraintConverter.cs
- BitmapScalingModeValidation.cs
- StorageComplexPropertyMapping.cs
- DES.cs
- WebPartPersonalization.cs
- GraphicsPath.cs
- DataSetUtil.cs
- PersonalizationStateInfo.cs
- UnsafeNativeMethodsPenimc.cs
- ContentPlaceHolder.cs
- DbSetClause.cs
- RawStylusActions.cs
- TimelineClockCollection.cs
- WebCategoryAttribute.cs
- UserPersonalizationStateInfo.cs
- Model3DGroup.cs
- HMACMD5.cs
- ConnectionsZoneAutoFormat.cs
- TabItemWrapperAutomationPeer.cs
- SolidColorBrush.cs
- Condition.cs
- UrlMapping.cs
- HttpRequest.cs
- RelatedImageListAttribute.cs
- ColorIndependentAnimationStorage.cs
- PersonalizationEntry.cs
- SelectingProviderEventArgs.cs
- HtmlListAdapter.cs
- FixedDocumentSequencePaginator.cs
- NodeFunctions.cs
- Bidi.cs
- PasswordRecovery.cs
- LockCookie.cs
- FunctionNode.cs
- EditorReuseAttribute.cs
- Pkcs7Signer.cs
- NodeLabelEditEvent.cs
- MultipartContentParser.cs
- WorkflowTransactionOptions.cs
- WinEventHandler.cs
- TranslateTransform3D.cs
- EntityDataSourceMemberPath.cs
- CmsInterop.cs
- StyleCollectionEditor.cs
- CategoryAttribute.cs
- HasCopySemanticsAttribute.cs
- Reference.cs
- ConfigUtil.cs
- ListViewTableRow.cs
- AtomParser.cs
- ColorTypeConverter.cs
- UrlMappingsModule.cs
- DataGridViewRowConverter.cs
- AnchoredBlock.cs
- TypeCollectionPropertyEditor.cs
- GenericUriParser.cs
- AssociationTypeEmitter.cs
- PnrpPermission.cs
- SamlAssertionKeyIdentifierClause.cs
- MonikerSyntaxException.cs
- FieldAccessException.cs
- SqlConnectionPoolProviderInfo.cs
- AVElementHelper.cs
- XmlSiteMapProvider.cs
- DBNull.cs
- NotSupportedException.cs
- DataSet.cs
- TdsParserHelperClasses.cs
- FlowLayout.cs
- DockPattern.cs
- AppDomainManager.cs
- PtsContext.cs
- CodeDirectoryCompiler.cs
- objectquery_tresulttype.cs
- ProcessThreadCollection.cs
- DictionaryEntry.cs
- ParameterToken.cs
- SystemWebCachingSectionGroup.cs
- Solver.cs