Added 4.7.2 AppContextSwitchOverrides switches (#4901)

* Added 4.7.2 switches

* Addressed review comments, added PDB switch

* Fixed broken link

Author: Ron Petrusha

docs/framework/configure-apps/file-schema/runtime/appcontextswitchoverrides-element.md

@@ -1,6 +1,6 @@
 ---
 title: "<AppContextSwitchOverrides> Element"
-ms.custom: ""
+ms.custom: "updateeachrelease"
 ms.date: "04/19/2018"
 ms.prod: ".net-framework"
 ms.technology: 
@@ -71,12 +71,15 @@ Defines one or more switches used by the <xref:System.AppContext> class to provi
 |`Switch.MS.Internal.`<br/>`UseSha1AsDefaultHashAlgorithmForDigitalSignatures`|Controls whether the default algorithm used for signing parts of a package by PackageDigitalSignatureManager is SHA1 or SHA256.|.NET Framework 4.7.1|
 |`Switch.System.Activities.`<br/>`UseMD5CryptoServiceProviderForWFDebugger`|When set to `false`, allows debugging of XAML-based workflow projects with Visual Studio when FIPS is enabled. Without it, a <xref:System.NullReferenceException> is thrown in calls to methods in the System.Activities assembly.|.NET Framework 4.7|
 |`Switch.System.Activities.`<br/>`UseMD5ForWFDebugger`|Controls whether the checksum for a workflow instance in the debugger uses MD5 or SHA1. | .NET Framework 4.7|
+|`Switch.System.Diagnostics.`<br/>`IgnorePortablePDBsInStackTraces`|Controls whether stack traces obtain when using portable PDBs can include source file and line information. `false` to include source file and line information; otherwise, `true`.|.NET Framework 4.7.2|
 |`Switch.System.Drawing.`<br/>`DontSupportPngFramesInIcons`|Controls whether the <xref:System.Drawing.Icon.ToBitmap%2A?displayProperty=nameWithType> method throws an exception when an <xref:System.Drawing.Icon> object has PNG frames. For more information, see [Mitigation: PNG Frames in Icon Objects](~/docs/framework/migration-guide/mitigation-png-frames-in-icon-objects.md).|.NET Framework 4.6|  
+|`Switch.System.Drawing.Text.`<br/>`DoNotRemoveGdiFontsResourcesFromFontCollection`|Determines whether <xref:System.Drawing.Text.PrivateFontCollection?displayProperty=nameWithType> objects are properly disposed when added to the collection by the <xref:System.Drawing.Text.PrivateFontCollection.AddFontFile(System.String)?displayProperty=nameWithType> method. `true` to maintain the legacy behavior; `false` to dispose of all private font objects. |.NET Framework 4.7.2|
 |`Switch.System.Drawing.Printing.`</br>`OptimizePrintPreview`|Controls whether the performance of the <xref:System.Windows.Forms.PrintPreviewDialog> is optimized for network printers. For more information, see [PrintPreviewDialog control overview](../../../winforms/controls/printpreviewdialog-control-overview-windows-forms.md).|.NET Framework 4.6|
 |`Switch.System.Globalization.NoAsyncCurrentCulture`|Controls whether asynchronous operations do not flow from the calling thread's context. For more information, see [CurrentCulture and CurrentUICulture flow across tasks](~/docs/framework/migration-guide/retargeting/4.5.2-4.6.md#currentculture-and-currentuiculture-flow-across-tasks).|.NET Framework 4.6|  
 |`Switch.System.IdentityModel.`<br/>`DisableMultipleDNSEntriesInSANCertificate`|Controls whether the <xref:System.IdentityModel.Claims.X509CertificateClaimSet.FindClaims%2A?displayProperty=nameWithType> method attempts to match the claim type only with the last DNS entry. For more information, see [Mitigation: X509CertificateClaimSet.FindClaims Method](~/docs/framework/migration-guide/mitigation-x509certificateclaimset-findclaims-method.md).|.NET Framework 4.6.1|  
 |`Switch.System.IdentityModel.`<br/>`EnableCachedEmptyDefaultAuthorizationContext`|Controls whether to allow AuthorizationContext.Empty to return a mutable object.|.NET Framework 4.6|  
 |`Switch.System.IO.BlockLongPaths`|Controls whether paths longer than `MAX_PATH` (260 characters) throw a <xref:System.IO.PathTooLongException>. For more information, see [Long Path Support](~/docs/framework/migration-guide/retargeting/4.6.1-4.6.2.md#long-path-support).|.NET Framework 4.6.2|  
+|`Switch.System.IO.Compression.`<br/>`DoNotUseNativeZipLibraryForDecompression`|Controls whether native OS routines are used for decompression by the <xref:System.IO.Compression.DeflateStream> class. `false` to use native APIs; `true` to use the <xref:System.IO.Compression.DeflateStream> implementation.|.NET Framework 4.7.2|
 |`Switch.System.IO.Compression.ZipFile.`<br/>`UseBackslash`|Uses the backslash ("\\") rather than the forward slash ("/") as the path separator in the <xref:System.IO.Compression.ZipArchiveEntry.FullName%2A?displayProperty=nameWithType> property. For more information, see  [Mitigation: ZipArchiveEntry.FullName Path Separator](~/docs/framework/migration-guide/mitigation-ziparchiveentry-fullname-path-separator.md).|.NET Framework 4.6.1|  
 |`Switch.System.IO.Ports.`<br/>`DoNotCatchSerialStreamThreadExceptions`|Controls whether operating system exceptions that are thrown on background threads created with <xref:System.IO.Ports.SerialPort> streams terminate the process.|.NET Framework 4.7.1| 
 |`Switch.System.IO.`<br/>`UseLegacyPathHandling`|Controls whether legacy path normalization is used and URI paths are supported by the <xref:System.IO.Path.GetDirectoryName%2A?displayProperty=nameWithType> and <xref:System.IO.Path.GetPathRoot%2A?displayProperty=nameWithType> methods. For more information, see [Mitigation: Path Normalization](~/docs/framework/migration-guide/mitigation-path-normalization.md) and [Mitigation: Path Colon Checks](~/docs/framework/migration-guide/mitigation-path-colon-checks.md).|.NET Framework 4.6.2|  
@@ -89,7 +92,7 @@ Defines one or more switches used by the <xref:System.AppContext> class to provi
 |`Switch.System.Runtime.Serialization.`<br/>`DoNotUseECMAScriptV6EscapeControlCharacter` |Controls whether the [DataContractJsonSerializer](xref:System.Runtime.Serialization.Json.DataContractJsonSerializer) serializes some control characters based on the ECMAScript V6 and V8 standards. For more information, see [Mitigation: Serialization of Control Characters with the DataContractJsonSerializer](Mitigation:%20Serialization%20of%20Control%20Characters%20with%20the%20DataContractJsonSerializer.md)| .NET Framework 4.7 |
 |`Switch.System.Runtime.Serialization.`<br/>`DoNotUseTimeZoneInfo`|Controls whether the <xref:System.Runtime.Serialization.Json.DataContractJsonSerializer> supports multiple adjustments or only a single adjustment for a time zone. If `true`, it uses the <xref:System.TimeZoneInfo> type to serialize and deserialize date and time data; otherwise, it uses the <xref:System.TimeZone> type, which does not support multiple adjustment rules.|.NET Framework 4.6.2|
 |`Switch.System.Security.ClaimsIdentity.`<br/>`SetActorAsReferenceWhenCopyingClaimsIdentity`|Controls whether the <xref:System.Security.Claims.ClaimsIdentity.%23ctor%28System.Security.Principal.IIdentity%29?displayProperty=nameWithType> constructor sets the  new object's <xref:System.Security.Claims.ClaimsIdentity.Actor%2A?displayProperty=nameWithType> property with an existing object reference. For more information, see [Mitigation: ClaimsIdentity Constructor](~/docs/framework/migration-guide/mitigation-claimsidentity-constructor.md).|.NET Framework 4.6.2|  
-|`Switch.System.Security.Cryptography.`<br/>`AesCryptoServiceProvider.DontCorrectlyResetDecryptor`|Controls whether the attempt to reuse an <xref:System.Security.Cryptography.AesCryptoServiceProvider> decryptor throws a <xref:System.Security.Cryptography.CryptographicException>. For more information, see AesCryptoServiceProvider decryptor provides a reusable transform](~/docs/framework/migration-guide/retargeting/4.6.1-4.6.2.md#aescryptoserviceprovider-decryptor-provides-a-reusable-transform).|.NET Framework 4.6.2|
+|`Switch.System.Security.Cryptography.`<br/>`AesCryptoServiceProvider.DontCorrectlyResetDecryptor`|Controls whether the attempt to reuse an <xref:System.Security.Cryptography.AesCryptoServiceProvider> decryptor throws a <xref:System.Security.Cryptography.CryptographicException>. For more information, see [AesCryptoServiceProvider decryptor provides a reusable transform](~/docs/framework/migration-guide/retargeting/4.6.1-4.6.2.md#aescryptoserviceprovider-decryptor-provides-a-reusable-transform).|.NET Framework 4.6.2|
 |`Switch.System.Security.Cryptography.`<br/>`DoNotAddrOfCspParentWindowHandle`|Controls whether the value of the [CspParameters.ParentWindowHandle](xref:System.Security.Cryptography.CspParameters.ParentWindowHandle) property is an [IntPtr](xref:System.IntPtr) that represents the memory location of a window handle, or whether it is a window handle (an HWND). For more information, see [Mitigation: CspParameters.ParentWindowHandle Expects an HWND](Mitigation:%20CspParameters.ParentWindowHandle%20Expects%20an%20HWND.md). |.NET Framework 4.7|   
 |`Switch.System.Security.Cryptography.Pkcs.`<br/>`UseInsecureHashAlgorithms`|Determines whether the default for some SignedCMS operations is SHA1 or SHA256. |.NET Framework 4.7.1|
 |`Switch.System.Security.Cryptography.Xml.`<br/>`UseInsecureHashAlgorithms`|Determines whether the default for some SignedXML operations is SHA1 or SHA256. |.NET Framework 4.7.1|
@@ -104,13 +107,20 @@ Defines one or more switches used by the <xref:System.AppContext> class to provi
 |`Switch.System.ServiceModel.`<br/>`UseSha1InPipeConnectionGetHashAlgorithm`|Controls whether WCF uses a SHA1 or a SHA256 hash to generate random names for named pipes.|.NET Framework 4.7.1|
 |`Switch.System.ServiceModel.Internals`<br/>`IncludeNullExceptionMessageInETWTrace`|Controls whether to throw a [NullReferenceException](xref:System.NullReferenceException) when the exception message is null.|.NET Framework 4.7|  
 |`Switch.System.ServiceProcess.`<br/>`DontThrowExceptionsOnStart`|Controls whether exceptions thrown on service startup are propagated to the caller of the <xref:System.ServiceProcess.ServiceBase.Run%2A?displayProperty=nameWithType> method.|.NET Framework 4.7.1|
+|`Switch.System.Uri.`<br/>`DontEnableStrictRFC3986ReservedCharacterSets`|Determines whether certain percent-encoded characters that were sometimes decoded are now consistently left encoded. If `true`, they are decoded; otherwise, `false`.|.NET Framework 4.7.2|
+|`Switch.System.Uri.`<br/>`DontKeepUnicodeBidiFormattingCharacters`|Determines the handling of Unicode bidirectional characters in URIs. `true` to strip them from URIs; `false` to preserve and percent-encode them.|.NET Framework 4.7.2|
 |`Switch.System.Windows.Controls.Grid.`<br/>`StarDefinitionsCanExceedAvailableSpace` |Determines whether Windows Presentation Foundation applies an old algorithm (`true`) or a new algorithm (`false`) in allocating space to \*-columns. For more information, see [Mitigation: Grid Control's Space Allocation to Star-columns](Mitigation:%20Grid%20Control's%20Space%20Allocation%20to%20Star-columns.md). |.NET Framework 4.7 |
 |`Switch.System.Windows.Controls.TabControl.`<br/>`SelectionPropertiesCanLagBehindSelectionChangedEvent`|Controls whether a selector or a tab control always updates the value of its selected value property before raising the selection changed event.|.NET Framework 4.7.1|
+|`Switch.System.Windows.Controls.Text.`<br/>`UseAdornerForTextboxSelectionRendering`|Determines whether non-Adorner based selection rendering is available for the <xref:System.Windows.Controls.TextBox> and <xref:System.Windows.Controls.PasswordBox> controls to prevent occluded text (`false`), or whether text is rendered only in the Adorner layer (`true`).|.NET Framework 4.7.2|
 |`Switch.System.Windows.DoNotScaleForDpiChanges`|Determines whether DPI changes occur on a per-system (a value of `false`) or per-monitor basis (a value of `true`).|.NET Framework 4.6.2|
+|`Switch.System.Windows.Forms.`<br/>`DomainUpDown.UseLegacyScrolling`|Determines whether the developer needs to specially handle the <xref:System.Windows.Forms.DomainUpDown.UpButton?displayProperty=nameWithType> action when control text is present. `true` to handle the <xref:System.Windows.Forms.DomainUpDown.UpButton> action; `false` for the <xref:System.Windows.Forms.DomainUpDown.UpButton?displayProperty=nameWithType> and <xref:System.Windows.Forms.DomainUpDown.DownButton?displayProperty=nameWithType> actions to be properly in sync.|.NET Framework 4.7.2|
 |`Switch.System.Windows.Forms.`<br />`DontSupportReentrantFilterMessage`|Opts out of the code that allows a custom <xref:System.Windows.Forms.IMessageFilter.PreFilterMessage%2A?displayProperty=nameWithType> implementation to safely filter messages without throwing an exception when the <xref:System.Windows.Forms.Application.FilterMessage%2A?displayProperty=nameWithType> method is called. For more information, see [Mitigation: Custom IMessageFilter.PreFilterMessage Implementations](~/docs/framework/migration-guide/mitigation-custom-imessagefilter-prefiltermessage-implementations.md).|.NET Framework 4.6.1|  
-|`Switch.System.Windows.Input.Stylus.`<br/>`EnablePointerSupport`|Determines whether an optional `WM_POINTER`-based touch/stylus stack is enabled in WPF applications. For more information, see [Mitigation: Pointer-based Touch and Stylus Support](Mitigation:%20Pointer-based%20Touch%20and%20Stylus%20Support.md) | 
+|`Switch.System.Windows.Forms.`<br/>`UseLegacyContextMenuStripSourceControlValue`|Determines whether the <xref:System.Windows.Forms.ContextMenuStrip.SourceControl?displayProperty=nameWithType> property returns the source control when the user opens the menu from a nested <xref:System.Windows.Forms.ToolStripMenuItem> control. `true` to return `null`, the legacy behavior; `false` to return the source control.|.NET Framework 4.7.2|
+|`Switch.System.Windows.Input.Stylus.`<br/>`EnablePointerSupport`|Determines whether an optional `WM_POINTER`-based touch/stylus stack is enabled in WPF applications. For more information, see [Mitigation: Pointer-based Touch and Stylus Support](../../../migration-guide/mitigation-pointer-based-touch-and-stylus-support.md)|.NET Framework 4.7|
+|`Switch.System.Windows.Markup.`<br/>`DoNotUseSha256ForMarkupCompilerChecksumAlgorithm`|Determines whether the default hash algorithm used for checksums is SHA256 (`false`) or SHA1 (`true`).|.NET Framework 4.7.2|
 |`Switch.System.Windows.Media.ImageSourceConverter.`<br/>`OverrideExceptionWithNullReferenceException`|Controls whether a legacy [NullReferenceException](xref:System.NullReferenceException) is thrown instead of the exception that more specifically indicates the cause of the exception (such as a [DirectoryNotFoundException](xref:System.IO.DirectoryNotFoundException) or a [FileNotFoundException](xref:System.IO.FileNotFoundException). It is intended for use by code that depends on handling the [NullReferenceException](xref:System.NullReferenceException). | .NET Framework 4.7 |
 |`Switch.UseLegacyAccessibilityFeatures`|Controls whether accessibility features available starting with the .NET Framework 4.7.1 are enabled or disabled. | .NET Framework 4.7.1 |
+|`Switch.UseLegacyAccessibilityFeatures.2`|Controls whether accessibility features available in the .NET Framework 4.7.2 are enabled (`false`) or disabled (`true`). If `true`, `Switch.UseLegacyAccessibilityFeatures` must also be `true` to enable .NET Framework 4.7.1 accessibility features.|.NET Framework 4.7.2|
 |`System.Xml.`<br /><br /> `IgnoreEmptyKeySequences`|Controls whether empty key sequences in compound keys are ignored by XSD schema validation. For more information, see [Mitigation: XML Schema Validation](~/docs/framework/migration-guide/mitigation-xml-schema-validation.md).|.NET Framework 4.6|  
 
 > [!NOTE]