Dryad/html/d38002f5-8220-c873-ca1b-5c9...

15 lines
11 KiB
HTML
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<html><head><meta http-equiv="X-UA-Compatible" content="IE=edge" /><link rel="shortcut icon" href="../icons/favicon.ico" /><style type="text/css">.OH_CodeSnippetContainerTabLeftActive, .OH_CodeSnippetContainerTabLeft,.OH_CodeSnippetContainerTabLeftDisabled { }.OH_CodeSnippetContainerTabRightActive, .OH_CodeSnippetContainerTabRight,.OH_CodeSnippetContainerTabRightDisabled { }.OH_footer { }</style><link rel="stylesheet" type="text/css" href="../styles/branding.css" /><link rel="stylesheet" type="text/css" href="../styles/branding-en-US.css" /><script type="text/javascript" src="../scripts/branding.js"> </script><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>NullableAttribute Class</title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="NullableAttribute class" /><meta name="System.Keywords" content="Microsoft.Research.DryadLinq.NullableAttribute class" /><meta name="System.Keywords" content="NullableAttribute class, about NullableAttribute class" /><meta name="Microsoft.Help.F1" content="Microsoft.Research.DryadLinq.NullableAttribute" /><meta name="Microsoft.Help.Id" content="T:Microsoft.Research.DryadLinq.NullableAttribute" /><meta name="Description" content="The Nullable attribute specifies if a field is nullable. The information is used by DryadLINQ serialization. DryadLINQ serialization by default treats all fields not nullable." /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="true" /><meta name="container" content="Microsoft.Research.DryadLinq" /><meta name="file" content="d38002f5-8220-c873-ca1b-5c99e45e5007" /><meta name="guid" content="d38002f5-8220-c873-ca1b-5c99e45e5007" /></head><body onload="OnLoad('cs')"><input type="hidden" id="userDataCache" class="userDataStyle" /><div class="OH_outerDiv"><div class="OH_outerContent"><table class="TitleTable"><tr><td class="OH_tdTitleColumn">NullableAttribute Class</td><td class="OH_tdRunningTitleColumn">DryadLINQ documentation</td></tr></table><div id="mainSection"><div id="mainBody"><span class="introStyle"></span><div class="summary">
The Nullable attribute specifies if a field is nullable. The information is used by DryadLINQ
serialization. DryadLINQ serialization by default treats all fields not nullable.
</div><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Inheritance Hierarchy</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">System<span id="LSTAF292433_0"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTAF292433_0?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Object</a><br />  <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">System<span id="LSTAF292433_1"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTAF292433_1?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Attribute</a><br />    <span class="selflink">Microsoft.Research.DryadLinq<span id="LSTAF292433_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LSTAF292433_2?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>NullableAttribute</span><br /><p> </p><strong>Namespace:</strong> <a href="efe6507e-9fd8-bbd3-8227-fd6ba9e289c1.htm">Microsoft.Research.DryadLinq</a><br /><strong>Assembly:</strong> Microsoft.Research.DryadLinq (in Microsoft.Research.DryadLinq.dll) Version: 0.2.1.0 (0.2.1.0)<div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Syntax</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><div class="OH_CodeSnippetContainer"><div class="OH_CodeSnippetContainerTabs"><div class="OH_CodeSnippetContainerTabLeft" id="ID0ECCA_tabimgleft"> </div><div id="ID0ECCA_tab1" class="OH_CodeSnippetContainerTabFirst"><a href="#" onclick="javascript:ChangeTab('ID0ECCA','cs','1','3');return false;">C#</a></div><div id="ID0ECCA_tab2" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0ECCA','vb','2','3');return false;">VB</a></div><div id="ID0ECCA_tab3" class="OH_CodeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID0ECCA','cpp','3','3');return false;">C++</a></div><div class="OH_CodeSnippetContainerTabRight" id="ID0ECCA_tabimgright"> </div></div><div class="OH_CodeSnippetContainerCodeCollection"><div class="OH_CodeSnippetToolBar"><div class="OH_CodeSnippetToolBarText"><a id="ID0ECCA_copyCode" href="#" onclick="javascript:CopyToClipboard('ID0ECCA');return false;" title="Copy">Copy</a></div></div><div id="ID0ECCA_code_Div1" class="OH_CodeSnippetContainerCode" style="display: block"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">sealed</span> <span class="keyword">class</span> <span class="identifier">NullableAttribute</span> : <span class="identifier">Attribute</span></pre></div><div id="ID0ECCA_code_Div2" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">NotInheritable</span> <span class="keyword">Class</span> <span class="identifier">NullableAttribute</span>
<span class="keyword">Inherits</span> <span class="identifier">Attribute</span></pre></div><div id="ID0ECCA_code_Div3" class="OH_CodeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">ref class</span> <span class="identifier">NullableAttribute</span> <span class="keyword">sealed</span> : <span class="keyword">public</span> <span class="identifier">Attribute</span></pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID0ECCA");</script><p>The <span class="selflink">NullableAttribute</span> type exposes the following members.</p><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Constructors</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
 
</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="3d9008bb-980e-9fdb-7522-d29320396ef8.htm">NullableAttribute</a></td><td><div class="summary">
Initializes an instance of NullableAttribute.
</div></td></tr></table><a href="#mainBody">Top</a><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Methods</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
 
</th><th>Name</th><th>Description</th></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/09ds241w" target="_blank">Equals</a></td><td><div class="summary">Returns a value that indicates whether this instance is equal to a specified object.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/365e1bxs" target="_blank">GetHashCode</a></td><td><div class="summary">Returns the hash code for this instance.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/dfwy45w9" target="_blank">GetType</a></td><td><div class="summary">Gets the <a href="http://msdn2.microsoft.com/en-us/library/42892f65" target="_blank">Type</a> of the current instance.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/tbkb5x6t" target="_blank">IsDefaultAttribute</a></td><td><div class="summary">When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/wy7chz44" target="_blank">Match</a></td><td><div class="summary">When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/7bxwbwt2" target="_blank">ToString</a></td><td><div class="summary">Returns a string that represents the current object.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr></table><a href="#mainBody">Top</a><div class="OH_CollapsibleAreaRegion"><div class="OH_regiontitle">Properties</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><table id="memberList" class="members"><tr><th class="ps_iconColumn">
 
</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="4cf712fd-ccc7-ba39-e732-6fdaf9453187.htm">CanBeNull</a></td><td><div class="summary">
Determines if the target of this attribute is nullable.
</div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/sa1bf03e" target="_blank">TypeId</a></td><td><div class="summary">When implemented in a derived class, gets a unique identifier for this <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e8kc3626" target="_blank">Attribute</a>.)</td></tr></table><a href="#mainBody">Top</a><div class="OH_CollapsibleAreaRegion" id="seeAlsoSection"><div class="OH_regiontitle">See Also</div><div class="OH_CollapsibleArea_HrDiv"><hr class="OH_CollapsibleArea_Hr" /></div></div><div class="OH_clear"> </div><h4 class="subHeading">Reference</h4><div class="seeAlsoStyle"><a href="efe6507e-9fd8-bbd3-8227-fd6ba9e289c1.htm">Microsoft.Research.DryadLinq Namespace</a></div></div></div></div></div><div id="OH_footer" class="OH_footer"> </div></body></html>