Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / Media / PixelFormatConverter.cs / 1 / PixelFormatConverter.cs
//------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2001 // // File: PixelFormatConverter.cs // //----------------------------------------------------------------------------- using System; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Reflection; using MS.Internal; using System.Text; using System.Collections; using System.Globalization; using System.Windows; using System.Windows.Media; using System.Runtime.InteropServices; using System.Diagnostics; using System.Security; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Media { #region PixelFormatConverter //----------------------------------------------------------------------------- // PixelFormatConverter //----------------------------------------------------------------------------- ////// PixelFormatConverter /// public sealed class PixelFormatConverter : TypeConverter { ////// CanConvertFrom - Returns whether or not this class can convert from a given type /// public override bool CanConvertFrom(ITypeDescriptorContext td, Type t) { if (t == typeof(string)) { return true; } else { return false; } } ////// TypeConverter method override. /// /// ITypeDescriptorContext /// Type to convert to ///true if conversion is possible public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (destinationType == typeof(InstanceDescriptor) || destinationType == typeof(string)) { return true; } return base.CanConvertTo(context, destinationType); } ////// test /// public new object ConvertFromString(String value) { if ( null == value) { return null; } return new PixelFormat (value); } ////// test /// public override object ConvertFrom(ITypeDescriptorContext td, System.Globalization.CultureInfo ci, object o) { if ( null == o) { return null; } return new PixelFormat(o as string); } ////// TypeConverter method implementation. /// /// ITypeDescriptorContext /// current culture (see CLR specs) /// value to convert from /// Type to convert to ///converted value ////// Critical: calls InstanceDescriptor ctor which LinkDemands /// PublicOK: can only make an InstanceDescriptor for PixelFormat, not an arbitrary class /// [SecurityCritical] public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (null == destinationType) { throw new ArgumentNullException("destinationType"); } if (null == value) { throw new ArgumentNullException("value"); } if (!(value is PixelFormat)) { throw new ArgumentException(SR.Get(SRID.General_Expected_Type,"PixelFormat")); } if (destinationType == typeof(InstanceDescriptor)) { ConstructorInfo ci = typeof(PixelFormat).GetConstructor(new Type[]{typeof(string)}); PixelFormat p = (PixelFormat)value; return new InstanceDescriptor(ci, new object[]{p.ToString()}); } else if (destinationType == typeof(string)) { PixelFormat p = (PixelFormat)value; return p.ToString (); } return base.ConvertTo(context, culture, value, destinationType); } } #endregion // PixelFormatConverter } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2001 // // File: PixelFormatConverter.cs // //----------------------------------------------------------------------------- using System; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Reflection; using MS.Internal; using System.Text; using System.Collections; using System.Globalization; using System.Windows; using System.Windows.Media; using System.Runtime.InteropServices; using System.Diagnostics; using System.Security; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Media { #region PixelFormatConverter //----------------------------------------------------------------------------- // PixelFormatConverter //----------------------------------------------------------------------------- ////// PixelFormatConverter /// public sealed class PixelFormatConverter : TypeConverter { ////// CanConvertFrom - Returns whether or not this class can convert from a given type /// public override bool CanConvertFrom(ITypeDescriptorContext td, Type t) { if (t == typeof(string)) { return true; } else { return false; } } ////// TypeConverter method override. /// /// ITypeDescriptorContext /// Type to convert to ///true if conversion is possible public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (destinationType == typeof(InstanceDescriptor) || destinationType == typeof(string)) { return true; } return base.CanConvertTo(context, destinationType); } ////// test /// public new object ConvertFromString(String value) { if ( null == value) { return null; } return new PixelFormat (value); } ////// test /// public override object ConvertFrom(ITypeDescriptorContext td, System.Globalization.CultureInfo ci, object o) { if ( null == o) { return null; } return new PixelFormat(o as string); } ////// TypeConverter method implementation. /// /// ITypeDescriptorContext /// current culture (see CLR specs) /// value to convert from /// Type to convert to ///converted value ////// Critical: calls InstanceDescriptor ctor which LinkDemands /// PublicOK: can only make an InstanceDescriptor for PixelFormat, not an arbitrary class /// [SecurityCritical] public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (null == destinationType) { throw new ArgumentNullException("destinationType"); } if (null == value) { throw new ArgumentNullException("value"); } if (!(value is PixelFormat)) { throw new ArgumentException(SR.Get(SRID.General_Expected_Type,"PixelFormat")); } if (destinationType == typeof(InstanceDescriptor)) { ConstructorInfo ci = typeof(PixelFormat).GetConstructor(new Type[]{typeof(string)}); PixelFormat p = (PixelFormat)value; return new InstanceDescriptor(ci, new object[]{p.ToString()}); } else if (destinationType == typeof(string)) { PixelFormat p = (PixelFormat)value; return p.ToString (); } return base.ConvertTo(context, culture, value, destinationType); } } #endregion // PixelFormatConverter } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- DefaultMergeHelper.cs
- AddInServer.cs
- TextModifierScope.cs
- IItemProperties.cs
- SapiInterop.cs
- EntityDataSourceView.cs
- ObjectCloneHelper.cs
- HandoffBehavior.cs
- SmiMetaDataProperty.cs
- StoreItemCollection.cs
- DataSourceProvider.cs
- DependencyProperty.cs
- ToolStripPanelRow.cs
- BigInt.cs
- ReferencedType.cs
- CredentialCache.cs
- StringAnimationBase.cs
- MethodAccessException.cs
- WmpBitmapDecoder.cs
- TdsParserStaticMethods.cs
- StateInitializationDesigner.cs
- ResourceAttributes.cs
- InvokePattern.cs
- Button.cs
- Expr.cs
- EntityStoreSchemaGenerator.cs
- DataColumnPropertyDescriptor.cs
- ScrollBarAutomationPeer.cs
- OdbcInfoMessageEvent.cs
- StoreContentChangedEventArgs.cs
- SelectorItemAutomationPeer.cs
- QueryReaderSettings.cs
- RuntimeCompatibilityAttribute.cs
- SecurityTokenProviderContainer.cs
- AuthenticationConfig.cs
- _Rfc2616CacheValidators.cs
- TextEditorTyping.cs
- CacheSection.cs
- IsolatedStorageException.cs
- RuntimeWrappedException.cs
- TypedTableBase.cs
- followingsibling.cs
- SafeFindHandle.cs
- Compiler.cs
- AppPool.cs
- ControllableStoryboardAction.cs
- SystemFonts.cs
- MediaEntryAttribute.cs
- RadioButtonDesigner.cs
- ExpressionBuilder.cs
- HtmlInputControl.cs
- StrongTypingException.cs
- CriticalFileToken.cs
- SamlDelegatingWriter.cs
- SafeNativeMethods.cs
- RepeaterItem.cs
- XslException.cs
- WebResourceUtil.cs
- BufferAllocator.cs
- InstanceView.cs
- SHA384Managed.cs
- PathFigureCollection.cs
- BitmapEffectGroup.cs
- Compiler.cs
- MatrixStack.cs
- LocatorManager.cs
- DbParameterHelper.cs
- EntityChangedParams.cs
- SchemaAttDef.cs
- GenerateHelper.cs
- ToolZone.cs
- ScrollProperties.cs
- SqlDataSourceStatusEventArgs.cs
- _AutoWebProxyScriptHelper.cs
- ScriptManagerProxy.cs
- ResourceDictionary.cs
- MediaElement.cs
- SRef.cs
- ContextMenuStrip.cs
- CommonProperties.cs
- TrustVersion.cs
- TimerElapsedEvenArgs.cs
- GPPOINT.cs
- TableStyle.cs
- Rectangle.cs
- ButtonRenderer.cs
- Transform3D.cs
- TextInfo.cs
- AlphaSortedEnumConverter.cs
- RichTextBoxConstants.cs
- SoapIgnoreAttribute.cs
- WorkflowLayouts.cs
- AutoCompleteStringCollection.cs
- SmtpDigestAuthenticationModule.cs
- TextClipboardData.cs
- XmlElementList.cs
- PreservationFileWriter.cs
- Italic.cs
- JsonReaderWriterFactory.cs
- ITextView.cs