Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / ComponentModel / Design / MenuCommand.cs / 1305376 / MenuCommand.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.ComponentModel.Design { using Microsoft.Win32; using System; using System.Collections; using System.Collections.Specialized; using System.ComponentModel; using System.Diagnostics; using System.Security.Permissions; ////// [HostProtection(SharedState = true)] [System.Runtime.InteropServices.ComVisible(true)] [System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.InheritanceDemand, Name="FullTrust")] [System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.LinkDemand, Name="FullTrust")] public class MenuCommand { // Events that we suface or call on // private EventHandler execHandler; private EventHandler statusHandler; private CommandID commandID; private int status; private IDictionary properties; ////// Represents a Windows /// menu or toolbar item. /// ////// Indicates that the given command is enabled. An enabled command may /// be selected by the user (it's not greyed out). /// private const int ENABLED = 0x02; //tagOLECMDF.OLECMDF_ENABLED; ////// Indicates that the given command is not visible on the command bar. /// private const int INVISIBLE = 0x10; ////// Indicates that the given command is checked in the "on" state. /// private const int CHECKED = 0x04; // tagOLECMDF.OLECMDF_LATCHED; ////// Indicates that the given command is supported. Marking a command /// as supported indicates that the shell will not look any further up /// the command target chain. /// private const int SUPPORTED = 0x01; // tagOLECMDF.OLECMDF_SUPPORTED ////// public MenuCommand(EventHandler handler, CommandID command) { this.execHandler = handler; this.commandID = command; this.status = SUPPORTED | ENABLED; } ////// Initializes a new instance of ///. /// /// public virtual bool Checked { get { return (status & CHECKED) != 0; } set { SetStatus(CHECKED, value); } } ///Gets or sets a value indicating whether this menu item is checked. ////// public virtual bool Enabled { get{ return (status & ENABLED) != 0; } set { SetStatus(ENABLED, value); } } private void SetStatus(int mask, bool value){ int newStatus = status; if (value) { newStatus |= mask; } else { newStatus &= ~mask; } if (newStatus != status) { status = newStatus; OnCommandChanged(EventArgs.Empty); } } ///Gets or /// sets a value indicating whether this menu item is available. ////// public virtual IDictionary Properties { get { if (properties == null) { properties = new HybridDictionary(); } return properties; } } ////// public virtual bool Supported { get{ return (status & SUPPORTED) != 0; } set{ SetStatus(SUPPORTED, value); } } ///Gets or sets a value /// indicating whether this menu item is supported. ////// public virtual bool Visible { get { return (status & INVISIBLE) == 0; } set { SetStatus(INVISIBLE, !value); } } ///Gets or sets a value /// indicating if this menu item is visible. ////// public event EventHandler CommandChanged { add { statusHandler += value; } remove { statusHandler -= value; } } ////// Occurs when the menu command changes. /// ////// public virtual CommandID CommandID { get { return commandID; } } ///Gets the ///associated with this menu command. /// public virtual void Invoke() { if (execHandler != null){ try { execHandler(this, EventArgs.Empty); } catch (CheckoutException cxe) { if (cxe == CheckoutException.Canceled) return; throw; } } } ////// Invokes a menu item. /// ////// public virtual void Invoke(object arg) { Invoke(); } ////// Invokes a menu item. The default implementation of this method ignores /// the argument, but deriving classes may override this method. /// ////// public virtual int OleStatus { get { return status; } } ////// Gets the OLE command status code for this menu item. /// ////// [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")] // Safe: FullTrust LinkDemand to instantiate an object of this class. protected virtual void OnCommandChanged(EventArgs e) { if (statusHandler != null) { statusHandler(this, e); } } ///Provides notification and is called in response to /// a ///event. /// Overrides object's ToString(). /// public override string ToString() { string str = CommandID.ToString() + " : "; if ((status & SUPPORTED) != 0) { str += "Supported"; } if ((status & ENABLED) != 0) { str += "|Enabled"; } if ((status & INVISIBLE) == 0) { str += "|Visible"; } if ((status & CHECKED) != 0) { str += "|Checked"; } return str; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.ComponentModel.Design { using Microsoft.Win32; using System; using System.Collections; using System.Collections.Specialized; using System.ComponentModel; using System.Diagnostics; using System.Security.Permissions; ////// [HostProtection(SharedState = true)] [System.Runtime.InteropServices.ComVisible(true)] [System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.InheritanceDemand, Name="FullTrust")] [System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.LinkDemand, Name="FullTrust")] public class MenuCommand { // Events that we suface or call on // private EventHandler execHandler; private EventHandler statusHandler; private CommandID commandID; private int status; private IDictionary properties; ////// Represents a Windows /// menu or toolbar item. /// ////// Indicates that the given command is enabled. An enabled command may /// be selected by the user (it's not greyed out). /// private const int ENABLED = 0x02; //tagOLECMDF.OLECMDF_ENABLED; ////// Indicates that the given command is not visible on the command bar. /// private const int INVISIBLE = 0x10; ////// Indicates that the given command is checked in the "on" state. /// private const int CHECKED = 0x04; // tagOLECMDF.OLECMDF_LATCHED; ////// Indicates that the given command is supported. Marking a command /// as supported indicates that the shell will not look any further up /// the command target chain. /// private const int SUPPORTED = 0x01; // tagOLECMDF.OLECMDF_SUPPORTED ////// public MenuCommand(EventHandler handler, CommandID command) { this.execHandler = handler; this.commandID = command; this.status = SUPPORTED | ENABLED; } ////// Initializes a new instance of ///. /// /// public virtual bool Checked { get { return (status & CHECKED) != 0; } set { SetStatus(CHECKED, value); } } ///Gets or sets a value indicating whether this menu item is checked. ////// public virtual bool Enabled { get{ return (status & ENABLED) != 0; } set { SetStatus(ENABLED, value); } } private void SetStatus(int mask, bool value){ int newStatus = status; if (value) { newStatus |= mask; } else { newStatus &= ~mask; } if (newStatus != status) { status = newStatus; OnCommandChanged(EventArgs.Empty); } } ///Gets or /// sets a value indicating whether this menu item is available. ////// public virtual IDictionary Properties { get { if (properties == null) { properties = new HybridDictionary(); } return properties; } } ////// public virtual bool Supported { get{ return (status & SUPPORTED) != 0; } set{ SetStatus(SUPPORTED, value); } } ///Gets or sets a value /// indicating whether this menu item is supported. ////// public virtual bool Visible { get { return (status & INVISIBLE) == 0; } set { SetStatus(INVISIBLE, !value); } } ///Gets or sets a value /// indicating if this menu item is visible. ////// public event EventHandler CommandChanged { add { statusHandler += value; } remove { statusHandler -= value; } } ////// Occurs when the menu command changes. /// ////// public virtual CommandID CommandID { get { return commandID; } } ///Gets the ///associated with this menu command. /// public virtual void Invoke() { if (execHandler != null){ try { execHandler(this, EventArgs.Empty); } catch (CheckoutException cxe) { if (cxe == CheckoutException.Canceled) return; throw; } } } ////// Invokes a menu item. /// ////// public virtual void Invoke(object arg) { Invoke(); } ////// Invokes a menu item. The default implementation of this method ignores /// the argument, but deriving classes may override this method. /// ////// public virtual int OleStatus { get { return status; } } ////// Gets the OLE command status code for this menu item. /// ////// [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")] // Safe: FullTrust LinkDemand to instantiate an object of this class. protected virtual void OnCommandChanged(EventArgs e) { if (statusHandler != null) { statusHandler(this, e); } } ///Provides notification and is called in response to /// a ///event. /// Overrides object's ToString(). /// public override string ToString() { string str = CommandID.ToString() + " : "; if ((status & SUPPORTED) != 0) { str += "Supported"; } if ((status & ENABLED) != 0) { str += "|Enabled"; } if ((status & INVISIBLE) == 0) { str += "|Visible"; } if ((status & CHECKED) != 0) { str += "|Checked"; } return str; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- HtmlInputImage.cs
- WebScriptMetadataMessage.cs
- CellCreator.cs
- StateMachineHelpers.cs
- HostingEnvironment.cs
- CompilerErrorCollection.cs
- ServiceDurableInstanceContextProvider.cs
- StyleCollectionEditor.cs
- BufferedStream.cs
- TemplateBuilder.cs
- XmlRawWriter.cs
- CompilationSection.cs
- SecondaryIndex.cs
- ApplicationFileCodeDomTreeGenerator.cs
- XmlCharCheckingReader.cs
- DataColumnMapping.cs
- CodeActivityContext.cs
- ButtonRenderer.cs
- QilVisitor.cs
- DynamicResourceExtension.cs
- SqlInternalConnectionSmi.cs
- InternalRelationshipCollection.cs
- CodeCatchClause.cs
- HttpCachePolicy.cs
- CustomTypeDescriptor.cs
- HealthMonitoringSection.cs
- AdapterDictionary.cs
- LogManagementAsyncResult.cs
- GeometryValueSerializer.cs
- ConcurrencyMode.cs
- LinearGradientBrush.cs
- CodeObjectCreateExpression.cs
- DelegatingConfigHost.cs
- SiteMapDesignerDataSourceView.cs
- RuntimeHandles.cs
- TemplateBuilder.cs
- RecognizedAudio.cs
- Dictionary.cs
- SqlUtil.cs
- ToolStripSplitButton.cs
- SystemTcpStatistics.cs
- Point3DAnimationBase.cs
- WindowsFormsSectionHandler.cs
- StartFileNameEditor.cs
- FormatterServices.cs
- XmlNamespaceManager.cs
- OutputScopeManager.cs
- TextEncodedRawTextWriter.cs
- Trace.cs
- HostProtectionException.cs
- EdmSchemaAttribute.cs
- PrintPageEvent.cs
- IteratorDescriptor.cs
- Point.cs
- PiiTraceSource.cs
- XmlCustomFormatter.cs
- RunInstallerAttribute.cs
- RowCache.cs
- FontStretches.cs
- RawStylusInputCustomDataList.cs
- TableCell.cs
- PriorityItem.cs
- SortExpressionBuilder.cs
- BrowserDefinition.cs
- TraceContextEventArgs.cs
- GeneralTransform.cs
- SQLGuidStorage.cs
- IPPacketInformation.cs
- RawStylusInputCustomData.cs
- SimpleHandlerFactory.cs
- AuthorizationRule.cs
- Documentation.cs
- WinCategoryAttribute.cs
- ToolStripItem.cs
- NonPrimarySelectionGlyph.cs
- FragmentQueryKB.cs
- GenericUriParser.cs
- RadialGradientBrush.cs
- FaultPropagationQuery.cs
- DataGridViewCellCollection.cs
- DrawListViewItemEventArgs.cs
- Cursor.cs
- Visitor.cs
- EmptyReadOnlyDictionaryInternal.cs
- XmlILOptimizerVisitor.cs
- ConnectionManagementElementCollection.cs
- UdpAnnouncementEndpoint.cs
- InvokePatternIdentifiers.cs
- ListView.cs
- PowerStatus.cs
- BamlStream.cs
- TimeStampChecker.cs
- dbdatarecord.cs
- IndexerNameAttribute.cs
- ContainerControl.cs
- ListViewGroupConverter.cs
- FixedBufferAttribute.cs
- RowUpdatedEventArgs.cs
- _LoggingObject.cs
- Completion.cs