Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / UI / WebControls / FontUnitConverter.cs / 1 / FontUnitConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Globalization; using System.Reflection; using System.Security.Permissions; using System.Web.Util; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class FontUnitConverter : TypeConverter { private StandardValuesCollection values; ///Converts a ///to and from a specified data type. /// public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { if (sourceType == typeof(string)) { return true; } else { return base.CanConvertFrom(context, sourceType); } } ///Determines if the specified data type can be converted to a ///. /// public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value == null) return null; string stringValue = value as string; if (stringValue != null) { string textValue = stringValue.Trim(); if (textValue.Length == 0) { return FontUnit.Empty; } return FontUnit.Parse(textValue, culture); } else { return base.ConvertFrom(context, culture, value); } } ///Converts the specified ///into a . /// /// Returns a value indicating whether the converter can /// convert to the specified destination type. /// public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if ((destinationType == typeof(string)) || (destinationType == typeof(InstanceDescriptor))) { return true; } else { return base.CanConvertTo(context, destinationType); } } ////// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == typeof(string)) { if ((value == null) || (((FontUnit)value).Type == FontSize.NotSet)) return String.Empty; else return ((FontUnit)value).ToString(culture); } else if ((destinationType == typeof(InstanceDescriptor)) && (value != null)) { FontUnit u = (FontUnit)value; MemberInfo member = null; object[] args = null; if (u.IsEmpty) { member = typeof(FontUnit).GetField("Empty"); } else if (u.Type != FontSize.AsUnit) { string fieldName = null; switch (u.Type) { case FontSize.Smaller: fieldName = "Smaller"; break; case FontSize.Larger: fieldName = "Larger"; break; case FontSize.XXSmall: fieldName = "XXSmall"; break; case FontSize.XSmall: fieldName = "XSmall"; break; case FontSize.Small: fieldName = "Small"; break; case FontSize.Medium: fieldName = "Medium"; break; case FontSize.Large: fieldName = "Large"; break; case FontSize.XLarge: fieldName = "XLarge"; break; case FontSize.XXLarge: fieldName = "XXLarge"; break; } Debug.Assert(fieldName != null, "Invalid FontSize type"); if (fieldName != null) { member = typeof(FontUnit).GetField(fieldName); } } else { member = typeof(FontUnit).GetConstructor(new Type[] { typeof(Unit) }); args = new object[] { u.Unit }; } Debug.Assert(member != null, "Looks like we're missing FontUnit static fields or FontUnit::ctor(Unit)"); if (member != null) { return new InstanceDescriptor(member, args); } else { return null; } } else { return base.ConvertTo(context, culture, value, destinationType); } } ///Converts the specified ///into the specified . /// public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { if (values == null) { object[] namedUnits = new object[] { FontUnit.Smaller, FontUnit.Larger, FontUnit.XXSmall, FontUnit.XSmall, FontUnit.Small, FontUnit.Medium, FontUnit.Large, FontUnit.XLarge, FontUnit.XXLarge }; values = new StandardValuesCollection(namedUnits); } return values; } ///Returns a ////// containing standard values. /// public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } ///Indicates whether the specified context contains exclusive standard /// values. ////// public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //Indicates whether the specified context contains suppurted standard /// values. ///// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Globalization; using System.Reflection; using System.Security.Permissions; using System.Web.Util; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class FontUnitConverter : TypeConverter { private StandardValuesCollection values; ///Converts a ///to and from a specified data type. /// public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { if (sourceType == typeof(string)) { return true; } else { return base.CanConvertFrom(context, sourceType); } } ///Determines if the specified data type can be converted to a ///. /// public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value == null) return null; string stringValue = value as string; if (stringValue != null) { string textValue = stringValue.Trim(); if (textValue.Length == 0) { return FontUnit.Empty; } return FontUnit.Parse(textValue, culture); } else { return base.ConvertFrom(context, culture, value); } } ///Converts the specified ///into a . /// /// Returns a value indicating whether the converter can /// convert to the specified destination type. /// public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if ((destinationType == typeof(string)) || (destinationType == typeof(InstanceDescriptor))) { return true; } else { return base.CanConvertTo(context, destinationType); } } ////// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == typeof(string)) { if ((value == null) || (((FontUnit)value).Type == FontSize.NotSet)) return String.Empty; else return ((FontUnit)value).ToString(culture); } else if ((destinationType == typeof(InstanceDescriptor)) && (value != null)) { FontUnit u = (FontUnit)value; MemberInfo member = null; object[] args = null; if (u.IsEmpty) { member = typeof(FontUnit).GetField("Empty"); } else if (u.Type != FontSize.AsUnit) { string fieldName = null; switch (u.Type) { case FontSize.Smaller: fieldName = "Smaller"; break; case FontSize.Larger: fieldName = "Larger"; break; case FontSize.XXSmall: fieldName = "XXSmall"; break; case FontSize.XSmall: fieldName = "XSmall"; break; case FontSize.Small: fieldName = "Small"; break; case FontSize.Medium: fieldName = "Medium"; break; case FontSize.Large: fieldName = "Large"; break; case FontSize.XLarge: fieldName = "XLarge"; break; case FontSize.XXLarge: fieldName = "XXLarge"; break; } Debug.Assert(fieldName != null, "Invalid FontSize type"); if (fieldName != null) { member = typeof(FontUnit).GetField(fieldName); } } else { member = typeof(FontUnit).GetConstructor(new Type[] { typeof(Unit) }); args = new object[] { u.Unit }; } Debug.Assert(member != null, "Looks like we're missing FontUnit static fields or FontUnit::ctor(Unit)"); if (member != null) { return new InstanceDescriptor(member, args); } else { return null; } } else { return base.ConvertTo(context, culture, value, destinationType); } } ///Converts the specified ///into the specified . /// public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { if (values == null) { object[] namedUnits = new object[] { FontUnit.Smaller, FontUnit.Larger, FontUnit.XXSmall, FontUnit.XSmall, FontUnit.Small, FontUnit.Medium, FontUnit.Large, FontUnit.XLarge, FontUnit.XXLarge }; values = new StandardValuesCollection(namedUnits); } return values; } ///Returns a ////// containing standard values. /// public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } ///Indicates whether the specified context contains exclusive standard /// values. ////// public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return true; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.Indicates whether the specified context contains suppurted standard /// values. ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- GridViewRowEventArgs.cs
- Mapping.cs
- Rule.cs
- TrackingQuery.cs
- ControlBuilder.cs
- StrokeDescriptor.cs
- SubqueryTrackingVisitor.cs
- DataContractJsonSerializer.cs
- XsltContext.cs
- TraceLog.cs
- SecurityRuntime.cs
- Literal.cs
- GridViewColumnCollection.cs
- ScalarConstant.cs
- ButtonPopupAdapter.cs
- TemplateKeyConverter.cs
- ItemDragEvent.cs
- SparseMemoryStream.cs
- TransformGroup.cs
- DataServiceHost.cs
- HitTestWithPointDrawingContextWalker.cs
- TextRenderer.cs
- Win32KeyboardDevice.cs
- DefinitionUpdate.cs
- Brushes.cs
- IgnoreFlushAndCloseStream.cs
- ImportRequest.cs
- DynamicUpdateCommand.cs
- Size.cs
- PassportPrincipal.cs
- ServiceMetadataContractBehavior.cs
- ReliableDuplexSessionChannel.cs
- ArraySubsetEnumerator.cs
- AttributeExtensions.cs
- XamlClipboardData.cs
- CodeDOMUtility.cs
- Base64Decoder.cs
- TextBounds.cs
- DesignerLoader.cs
- ByteConverter.cs
- MenuItemStyle.cs
- DataObjectSettingDataEventArgs.cs
- TextParaClient.cs
- UnknownBitmapEncoder.cs
- EmissiveMaterial.cs
- KeyedCollection.cs
- StringValidatorAttribute.cs
- WorkflowTraceTransfer.cs
- EntityClientCacheKey.cs
- XslNumber.cs
- CaseInsensitiveOrdinalStringComparer.cs
- TdsEnums.cs
- UriTemplateTrieLocation.cs
- ValidationRule.cs
- ExpressionParser.cs
- TypedAsyncResult.cs
- Content.cs
- AuthorizationSection.cs
- TimestampInformation.cs
- FontFamilyValueSerializer.cs
- NextPreviousPagerField.cs
- IndexObject.cs
- ObjectSpanRewriter.cs
- HtmlButton.cs
- TraversalRequest.cs
- TemplateKey.cs
- SiteMapPath.cs
- MemoryPressure.cs
- _Connection.cs
- VScrollBar.cs
- RSAPKCS1SignatureFormatter.cs
- ReceiveDesigner.xaml.cs
- Not.cs
- EntityDataSourceStatementEditor.cs
- FontConverter.cs
- BrowserCapabilitiesFactory.cs
- LinkButton.cs
- VideoDrawing.cs
- RegexBoyerMoore.cs
- OleDbConnection.cs
- ThaiBuddhistCalendar.cs
- Int32Converter.cs
- FormatVersion.cs
- ReadOnlyDataSource.cs
- DbException.cs
- RSAPKCS1KeyExchangeFormatter.cs
- DoneReceivingAsyncResult.cs
- AccessDataSourceView.cs
- ContextStaticAttribute.cs
- DataServiceQuery.cs
- DataTrigger.cs
- NetSectionGroup.cs
- InheritanceContextChangedEventManager.cs
- ContentAlignmentEditor.cs
- Quaternion.cs
- ADMembershipUser.cs
- CodeMemberField.cs
- BamlLocalizerErrorNotifyEventArgs.cs
- MessageHeaders.cs
- ListControl.cs