Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Sys / System / Media / SystemSounds.cs / 1 / SystemSounds.cs
using System; using System.ComponentModel; using System.Diagnostics.CodeAnalysis; using System.Runtime.InteropServices; using System.Security.Permissions; namespace System.Media { ///[HostProtection(UI = true)] public sealed class SystemSounds { static SystemSound asterisk; static SystemSound beep; static SystemSound exclamation; static SystemSound hand; static SystemSound question; private SystemSounds() { } /// public static SystemSound Asterisk { get { if (asterisk == null) { asterisk = new SystemSound(NativeMethods.MB_ICONASTERISK); } return asterisk; } } /// public static SystemSound Beep { get { if (beep == null) { beep = new SystemSound(0); } return beep; } } /// public static SystemSound Exclamation { get { if (exclamation == null) { exclamation = new SystemSound(NativeMethods.MB_ICONEXCLAMATION); } return exclamation; } } /// public static SystemSound Hand { get { if (hand == null) { hand = new SystemSound(NativeMethods.MB_ICONHAND); } return hand; } } /// public static SystemSound Question { get { if (question == null) { question = new SystemSound(NativeMethods.MB_ICONQUESTION); } return question; } } private class NativeMethods { // Constructor added because of FxCop rules private NativeMethods() {} internal const int MB_ICONHAND = 0x000010, MB_ICONQUESTION = 0x000020, MB_ICONEXCLAMATION = 0x000030, MB_ICONASTERISK = 0x000040; } } /// [HostProtection(UI = true)] public class SystemSound { private int soundType; internal SystemSound(int soundType) { this.soundType = soundType; } /// [SuppressMessage("Microsoft.Security", "CA2106:SecureAsserts")] public void Play() { IntSecurity.UnmanagedCode.Assert(); try { SafeNativeMethods.MessageBeep(soundType); } finally { System.Security.CodeAccessPermission.RevertAssert(); } } private class SafeNativeMethods { // Constructor added because of FxCop rules private SafeNativeMethods() {} [DllImport(ExternDll.User32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)] internal static extern bool MessageBeep(int type); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.ComponentModel; using System.Diagnostics.CodeAnalysis; using System.Runtime.InteropServices; using System.Security.Permissions; namespace System.Media { /// [HostProtection(UI = true)] public sealed class SystemSounds { static SystemSound asterisk; static SystemSound beep; static SystemSound exclamation; static SystemSound hand; static SystemSound question; private SystemSounds() { } /// public static SystemSound Asterisk { get { if (asterisk == null) { asterisk = new SystemSound(NativeMethods.MB_ICONASTERISK); } return asterisk; } } /// public static SystemSound Beep { get { if (beep == null) { beep = new SystemSound(0); } return beep; } } /// public static SystemSound Exclamation { get { if (exclamation == null) { exclamation = new SystemSound(NativeMethods.MB_ICONEXCLAMATION); } return exclamation; } } /// public static SystemSound Hand { get { if (hand == null) { hand = new SystemSound(NativeMethods.MB_ICONHAND); } return hand; } } /// public static SystemSound Question { get { if (question == null) { question = new SystemSound(NativeMethods.MB_ICONQUESTION); } return question; } } private class NativeMethods { // Constructor added because of FxCop rules private NativeMethods() {} internal const int MB_ICONHAND = 0x000010, MB_ICONQUESTION = 0x000020, MB_ICONEXCLAMATION = 0x000030, MB_ICONASTERISK = 0x000040; } } /// [HostProtection(UI = true)] public class SystemSound { private int soundType; internal SystemSound(int soundType) { this.soundType = soundType; } /// [SuppressMessage("Microsoft.Security", "CA2106:SecureAsserts")] public void Play() { IntSecurity.UnmanagedCode.Assert(); try { SafeNativeMethods.MessageBeep(soundType); } finally { System.Security.CodeAccessPermission.RevertAssert(); } } private class SafeNativeMethods { // Constructor added because of FxCop rules private SafeNativeMethods() {} [DllImport(ExternDll.User32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)] internal static extern bool MessageBeep(int type); } } } // 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
- EntityDataSourceUtil.cs
- DoubleConverter.cs
- ListControlConvertEventArgs.cs
- IsolatedStorage.cs
- EditingContext.cs
- TreeViewItem.cs
- ArglessEventHandlerProxy.cs
- BufferManager.cs
- AssociationEndMember.cs
- BigInt.cs
- BehaviorEditorPart.cs
- MetadataCollection.cs
- XmlQualifiedName.cs
- WorkflowIdleBehavior.cs
- TraceListener.cs
- TextPatternIdentifiers.cs
- Animatable.cs
- KeyNotFoundException.cs
- _Win32.cs
- Drawing.cs
- SHA1.cs
- DataViewSetting.cs
- MetadataPropertyAttribute.cs
- AttachedPropertyBrowsableForTypeAttribute.cs
- ContractMethodInfo.cs
- SimpleColumnProvider.cs
- AssemblyResourceLoader.cs
- ContourSegment.cs
- ComIntegrationManifestGenerator.cs
- SqlProfileProvider.cs
- FontStretch.cs
- CompoundFileIOPermission.cs
- BrowserCapabilitiesFactory.cs
- XamlFigureLengthSerializer.cs
- NavigatingCancelEventArgs.cs
- EditBehavior.cs
- BrushValueSerializer.cs
- TextAnchor.cs
- CacheSection.cs
- BamlCollectionHolder.cs
- BmpBitmapDecoder.cs
- FixedSOMPageElement.cs
- ListBox.cs
- MetafileHeader.cs
- ResourceExpressionEditor.cs
- TreeChangeInfo.cs
- FixedElement.cs
- Nodes.cs
- DiagnosticStrings.cs
- nulltextnavigator.cs
- WindowsStatusBar.cs
- Matrix3DStack.cs
- WpfKnownType.cs
- MembershipValidatePasswordEventArgs.cs
- XamlReader.cs
- PKCS1MaskGenerationMethod.cs
- MSG.cs
- BuildProvider.cs
- CroppedBitmap.cs
- KeyValueConfigurationElement.cs
- ProjectedWrapper.cs
- DrawingGroup.cs
- Literal.cs
- Padding.cs
- InputProviderSite.cs
- ChangeProcessor.cs
- AttachedPropertyBrowsableAttribute.cs
- ChannelServices.cs
- PeerDuplexChannel.cs
- ExpandSegmentCollection.cs
- DefaultPropertyAttribute.cs
- BindableTemplateBuilder.cs
- TextServicesProperty.cs
- InkPresenter.cs
- MultiPageTextView.cs
- ResolvedKeyFrameEntry.cs
- EntitySet.cs
- InvalidProgramException.cs
- Registry.cs
- DataRowView.cs
- DispatcherHookEventArgs.cs
- UnsafeNativeMethodsPenimc.cs
- ResXResourceWriter.cs
- ISFTagAndGuidCache.cs
- ContentOperations.cs
- ISAPIRuntime.cs
- CreatingCookieEventArgs.cs
- MenuItemCollection.cs
- SettingsSavedEventArgs.cs
- RelatedCurrencyManager.cs
- BuildProviderCollection.cs
- ChannelCacheSettings.cs
- CommandLibraryHelper.cs
- CalendarDataBindingHandler.cs
- ValidatedControlConverter.cs
- UserValidatedEventArgs.cs
- JournalEntry.cs
- Utils.cs
- OdbcErrorCollection.cs
- TreeBuilder.cs