Load (DirectX HLSL Texture Object) Article 04/28/2022 2 minutes to read 6 contributors Feedback In this article Parameters Return Value Minimum Shader Model Example Related topics Reads texel data without any filtering or sampling. For example, to access a 2D texture, supply integer texel coordinates for the first two components and a mipmap level for the third component. The expression should return true to load and false to unload the element. For more information, see the Remarks section of the XmlReader reference page. An object that describes the assembly to load. To load the correct assembly, it's recommended to call the Load method by passing the long form of the assembly name. WebLoad (Stream) Creates a new XDocument instance by using the specified stream. The stream containing the XML document to load. Until an object is visible, a user can't interact with it. Developers, testers, and quality assurance (QA) engineers can use it to optimize application performance, scalability, or capacity. The following sample demonstrates the use of loading a raw assembly. Fills a DataTable with values from a data source using the supplied IDataReader using an error-handling delegate. When converting data, the Load method uses the same conversion rules as the DbDataAdapter.Fill method. WebThe Load method can be used in several common scenarios, all centered around getting data from a specified data source and adding it to the current data container (in this case, a DataTable ). Load columns as: Individual columns like Size and CurrentPrices in the HousingData class. Fills a DataTable with values from a data source using the supplied IDataReader. Forms Assembly: System.Windows.Forms.dll Important Some information relates to prerelease product that may be substantially modified before its released. Windows. The LoadOption parameter is used for determining the specific version of the row that is to be used for primary key comparison. To load assemblies into other application domains, use a method such as CreateInstanceAndUnwrap. This file is in format. Here are two examples of using Load. Returns XDocument An XDocument object that reads the data that is contained in the stream. A IDataReader that provides a result set. These issues, and more, are controlled by the loadOption parameter. Supplying a partial assembly name for assemblyRef is not recommended. For more information, see Reading XML Data using XPathDocument and XmlDocument. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Call GetTemplateChild with the name that you defined on the element. Methods which use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. The load operation will fail with an InvalidOperationException if any of the source data columns in the incoming reader are computed columns. By default, legacy CAS policy is not enabled in the .NET Framework 4; when it is not enabled, securityEvidence must be null. The following example loads an assembly given its fully qualified name, and lists all the types contained in the specified assembly. Next steps. This method is a Microsoft extension to the Document Object Model (DOM). Later the user intends to propagate changes back to the primary data source. Here are two examples of using Load. Version 2.0 or later of the common language runtime is currently loaded and assemblyRef was compiled with a later version. Using partial names has a negative effect on performance. Direct3D guarantees to return zero for any resource that is accessed out of bounds. The following Console application example first creates tables and loads data from a reader into a DataSet, using the Load method. For other examples that might be available, see the individual overload topics. A file that was found could not be loaded. WebThe Load method can be used in several common scenarios, all centered around getting data from a specified data source and adding it to the current data container (in this case, a DataTable ). The techniques shown in this topic apply equally to models created with Code First and the EF Designer. Before considering the behavior of the Load method in terms of data operations, consider that each row within a DataTable maintains both the current value and the original value for each column. WebLoad (String) Loads the XML document from the specified URL. The loadOption parameter allows you to specify how you want the imported data to interact with existing data, and can be any of the values from the LoadOption enumeration. Firstly, I want to load a Main Screen file from 'C:\MainScreen.xaml'. Azure Load Testing Preview is a fully managed load-testing service that enables you to generate high-scale load. URL for the file containing the XML document to load. Be aware that setting the property to false causes the code that triggered the problem to throw an exception. This method uses a 0-based coordinate system and not a 0.0-1.0 UV system. When converting data, the Load method uses the same conversion rules as the Fill method. The Load extension method works just like ToList except that it avoids the creation of the list altogether. The assembly is loaded into the application domain of the caller. See http://go.microsoft.com/fwlink/?LinkID=155570 for more information. The assembly is loaded into the domain of the caller using the supplied evidence. The term load balancing refers to the distribution of workloads across multiple computing resources. Loading Elements There are several different ways to load the elements: Use an x:Bind expression to specify the load state. The example uses the file, books.xml, as input. Remarks Here are two examples of using Load. An I/O error occurred while opening the file. Loads the assembly with a common object file format (COFF)-based image containing an emitted assembly, optionally including symbols and evidence for the assembly. More info about Internet Explorer and Microsoft Edge, Reading XML Data using XPathDocument and XmlDocument. Load balancing aims to optimize resource use, maximize throughput, minimize response time, and avoid overloading any single resource. This example shows how to use one of the overloaded versions of Load. The argument type is dependent on the texture-object type. The following table describes the three load options provided by the LoadOption enumeration. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. All but one of the overloads for this method allows you to specify a load option parameter, indicating how rows already in a DataTable combine with rows being loaded. Azure Load Testing Preview is a fully managed load-testing service that enables you to generate high-scale load. If the match fails, a FileLoadException is thrown. The operation is attempted on an unloaded application domain. The read only constraint on a DataColumn is applicable only for changes that occur in memory. Key scenarios that you can accomplish using Azure Standard This operation is not supported on the current platform. Microsoft makes no warranties, express or implied, with respect to the information provided here. If the current node and its siblings look like the following: Load succeeds, but you have an incomplete DOM tree because there is no root level element. A DataSet synchronizes or updates with a single primary data source. This command is intended for use with temporary files that are used for troubleshooting or editing registry entries. . An array of DataTable instances, from which the Load(IDataReader, LoadOption, FillErrorEventHandler, DataTable[]) method retrieves name and namespace information. The raw bytes representing the symbols for the assembly are also loaded. Firstly, I want to load a Main Screen file from 'C:\MainScreen.xaml'. If a remote computer is specified, valid root keys are: HKLM and HKU. ; Multiple columns at a time in the form of a vector like HistoricalPrices in the HousingData class. The following example illustrates the use of a long name to load the System.dll assembly for the .NET Framework 4: Note: In .NET for Windows Store apps or the Portable Class Library, catch the base class exception, IOException, instead. In addition, a DataSet can accept incremental data from one or more secondary data sources. The object can be manipulated programmatically in its Initialize event procedure. Using this delegate mechanism, rather than a simpler try/catch block, allows you to determine the error, handle the situation, and continue processing if you like. See FullName. Remarks When an object is loaded, it is placed in memory, but isn't visible. For more information about the use of evidence with overloads of the Load method that take byte arrays, see the Load(Byte[], Byte[], Evidence) method overload. With Azure Load Balancer, you can scale your applications and create highly available services. The assembly is loaded into the domain of the caller using the supplied evidence. A byte array that contains the raw bytes representing the symbols for the assembly. Version 2.0 or later of the common language runtime is currently loaded and rawAssembly was compiled with a later version. The first is taken from a Windows Forms data binding application where Load is used to The schemas are compatible, but the loaded result set schema contains columns that do not exist in the, The schemas are compatible, but the loaded result set schema contains fewer columns than does the, If a missing column has a default value defined or the column's data type is nullable, the, The schemas are compatible, but the loaded result set schema contains columns that don't exist in the, Original version, if it exists, otherwise Current version, Current version, if it exists, otherwise Original version. There is a set of screens provided and all are in .xaml extensions. This method is provided as a convenience for interoperability callers who cannot call the static Assembly.Load method. Otherwise, the Load method uses the current version of the primary key field. In each case, the Action property of the DataRowChangeEventArgs instance passed to the event handler contains information about the particular action associated with the event. When an object is loaded, it is placed in memory, but isn't visible. C# Copy public static System.Xml.Linq.XDocument Load (System.IO.Stream stream); Parameters stream Stream The stream that contains the XML data. In this case, the assumption is that the intent is to aggregate data from one or more data sources in the DataTable, and then perhaps propagate the data back to the primary data source. Occurs before a form is displayed for the first time. A texture-object type (except TextureCube or TextureCubeArray). The output is displayed in the console window. Loads an assembly with the specified name. More info about Internet Explorer and Microsoft Edge, Load(Byte[], Byte[], SecurityContextSource), http://go.microsoft.com/fwlink/?LinkID=155570. These values may be equivalent, or may be different if the data in the row has been changed since filling the DataTable. An Azure load balancer is a Layer-4 (TCP, UDP) load balancer that provides high availability by distributing incoming traffic among healthy VMs. If the current AppDomain object represents application domain A, and the Load method is called from application domain B, the assembly is loaded into both application domains. The Load method fills each supplied DataTable instance with data from a single result set from the source data reader. typeX denotes that there are four possible types: int, int2, int3 or int4. Loads an Assembly given its AssemblyName. Specifies the name and path of the file to be loaded. The first is taken from a Windows Forms data binding application where Load is used to query for entities before binding to the local collection, as described in Local Data: The second example shows using Load to load a filtered collection of related entities, as described in Loading Related Entities: More info about Internet Explorer and Microsoft Edge. WebLoad-balancing options. Each of these tables must be a member of the DataTableCollection contained by this DataSet. You can also access other server controls within the page's control hierarchy. The loader does not continue probing for other assemblies that match the simple name. If you select the Upsert option, it is assumed that the data is coming from one of a secondary data source, such as data provided by a middle-tier component, perhaps altered by a user. To load an extension DLL, you can do one of the following: Use the .load or .loadby command. Writes saved subkeys and entries into a different subkey in the registry. Returns XDocument An XDocument object that reads the data that is contained in the stream. The assembly is loaded into the application domain of the caller. [in] A sampling index. The long form of an assembly name consists of its simple name (such as "System" for the System.dll assembly) along with its version, culture, public key token, and optionally its processor architecture. WebThis occurs because the form values have already been loaded. In this In terms of event operations, the RowChanging event occurs before each row is changed, and the RowChanged event occurs after each row has been changed. See Row States and Row Versions for more information. The Load method provides a technique for filling a single DataTable with data, retrieved from an IDataReader instance. The long form of an assembly name consists of its simple name (such as "System" for the System.dll assembly) along with its version, culture, public key token, and optionally its processor architecture. The errorHandler parameter is a FillErrorEventHandler delegate that refers to a procedure that is called when an error occurs while loading data. Before you save the document, you must add a root level element, otherwise Save will throw an exception. The CodeBase property does not supply any elements of the assembly identity (such as name or version), so loading does not occur according to load-by-identity rules, as you would expect from the Load method. In the .NET Framework version 1.0 and in version 1.1 without SP1, when you use a Load method overload with a Byte[] parameter to load a COFF image, evidence is combined. In this scenario, the user wants to take the DataSet filled in the previous scenario and perform an incremental synchronization with the primary data source, preserving modifications made in the DataSet. The assembly is loaded into the application domain of the caller. If the current node and its siblings look like the following: Load throws an exception because a document cannot have two root level elements. Parameters Object Microsoft makes no warranties, express or implied, with respect to the information provided here. In the following example, UserForm2 is loaded during UserForm1's Initialize event. You define a front-end IP configuration that contains one or more public One common way to do this is to write a LINQ query and then call ToList on it, only to immediately discard the created list. In each case, both events occur, and the action is the same for each. Applies to See also Introduction to the ASP.NET Page Life Cycle Recommended content UpdatePanel (System.Web.UI) LinkButton (System.Web.UI.WebControls) Web This file is in format. Microsoft makes no warranties, express or implied, with respect to the information provided here. Developers, testers, and quality assurance (QA) engineers can use it to optimize application performance, scalability, or capacity. The schema operations take place for all imported result sets, even those containing no data. The Load method makes all these scenarios possible. Note that this method overload always creates a new Assembly object with its own mapping. The errorHandler parameter is a FillErrorEventHandler delegate that refers to a procedure that is called when an error occurs while loading data. It's important to note that all of the elements in the vector Some information relates to prerelease product that may be substantially modified before its released. Firstly, I want to load a Main Screen file from 'C:\MainScreen.xaml'. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. More info about Internet Explorer and Microsoft Edge, http://go.microsoft.com/fwlink/?LinkID=155570, http://go.microsoft.com/fwlink/?LinkId=155570. This method provides the same functionality, but allows you to load multiple result sets from an IDataReader into multiple tables within a DataSet. An array of strings, from which the Load method retrieves table name information. You can use this event to perform tasks such as allocating resources used by the form. assemblyRef specifies a remote assembly, but the ability to execute code in remote assemblies is disabled. Next steps. An array of DataTable instances, from which the Load(IDataReader, LoadOption, DataTable[]) method retrieves name and namespace information. If you want validation to occur, you can create a validating XmlReader instance by using the XmlReaderSettings class and the Create method. Use the Show method to make the object visible. Methods which use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Zone, Url and Site are inherited from the calling assembly, and Hash and StrongName are taken from the COFF assembly. Returns XDocument An XDocument object that reads the data that is contained in the stream. You define a front-end IP configuration that contains one or more public In each case, both events occur, and the action is the same for each. The example then displays the full name of the assembly's public types. Before considering the behavior of the Load method in terms of data operations, consider that each row within a DataTable maintains both the current value and the original value for each column. Notifies the server control to perform any processing steps that are set to occur on each page request. Version 2.0 or later of the common language runtime is currently loaded and rawAssembly was compiled with a later version. An array of type byte that is a COFF-based image containing an emitted assembly. Some information relates to prerelease product that may be substantially modified before its released. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. A load balancer health probe monitors a given port on each VM and only distributes traffic to an operational VM. WebLoad Event Reference Feedback Definition Namespace: System. If the DataSet already contains rows, the incoming data from the data source is merged with the existing rows. The following table describes the three load options provided by the LoadOption enumeration. The object that describes the assembly to be loaded. The service simulates traffic for your applications, regardless of where they're hosted. If both the AssemblyName.Name property and the AssemblyName.CodeBase property are set, the first attempt to load the assembly uses the display name (including version, culture, and so on, as returned by the Assembly.FullName property). Load balancing aims to optimize resource use, maximize throughput, minimize response time, and avoid overloading any single resource. WebThe Load method provides a technique for filling a single DataTable with data, retrieved from an IDataReader instance. When legacy CAS policy is not enabled, securityEvidence should be null. The long or short form of the assembly name. This action value depends on the state of the row before the load operation. Specifies the name and path of the file to be loaded. In this case, a FileNotFoundException is raised. Updates the current version of the row with the value of the incoming row. When you use a Load method with a Byte[] parameter and Evidence to load a COFF image, only the supplied evidence is used. To run the example, paste the following code in a form called Form1 containing a Button called Button1 and two Label controls called Label1 and Label2. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. See http://go.microsoft.com/fwlink/?LinkId=155570 for more information. There is a set of screens provided and all are in .xaml extensions. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Loads an Assembly given its display name. This file must be created in advance by using the. If the file is not found, CodeBase is used to search for the assembly. Loads the XML document from the specified stream. This file must be created in advance by using the If you call this method more than once on the same assembly but with a different evidence specified, the common language runtime does not throw a FileLoadException because the equality and integrity of the different evidence specifications cannot be determined. An Azure load balancer is a Layer-4 (TCP, UDP) load balancer that provides high availability by distributing incoming traffic among healthy VMs. The Load method's overwrites the read-only column values, if needed. Beginning with the .NET Framework 4, the trust level of an assembly that is loaded by using this method is the same as the trust level of the application domain. The assembly is loaded into the application domain of the caller using the specified source for the security context. If your application needs to know which encoding is used to read the stream, consider using an XmlTextReader object to read the stream, and then use the XmlTextReader.Encoding property to determine the encoding. filename specified a file that is read-only. Starting with .NET Framework 4, because execution of code in remote assemblies is disabled by default, a FileLoadException is also thrown if assemblyRef specifies a remote assembly. Load object The object placeholder represents an object expression that evaluates to an object in the Applies To list. If the debugger has not yet loaded DLLName .dll, it loads the DLL at this point if it is located in the current DLL search path. The display name of the assembly. In each case, the description indicates the behavior when the primary key of a row in the incoming data matches the primary key of an existing row. A FillErrorEventHandler delegate to call when an error occurs while loading data. Loads an assembly given its AssemblyName. (The overload that doesn't allow you to specify the behavior uses the default load option.) The document begins loading at this point. These scenarios describe standard usage for a DataTable, describing its update and merge behavior. The default is false; white space in element content is not preserved. If you call the Load method more than once on the same assembly but with a different evidence specified, the common language runtime does not throw a FileLoadException because the equality and integrity of the different evidence specifications cannot be determined. Once the data has been loaded, the example displays the contents of all its tables in the Console window. Updates the current version of the row with the value of the incoming row. For information about how to obtain the fully qualified assembly name, see Assembly Names. Be aware that setting the property to false causes the code that triggered the problem to throw an exception. Updates the current and original versions of the row with the value of the incoming row. Until an object is visible, a user can't interact with it. The following example demonstrates how to use the SetDesktopLocation, Load, Activated, and Activate members. Until an object is visible, a user can't interact with it. Load balancer supports both inbound and outbound scenarios. The service simulates traffic for your applications, regardless of where they're hosted. In this scenario, the user wants to merge changes from one or more secondary data sources, and propagate those changes back to the primary data source. If a matching table is found, that table is loaded with the content of the current result set. The final row (labeled "(Not present)") describes the behavior for incoming rows that don't match any existing row. Fills a DataSet with values from a data source using the supplied IDataReader. Instead, the common language runtime tries to load the assembly into the calling application domain. If the match fails, a FileLoadException is thrown. Evidence of the calling assembly and evidence of the COFF image is ignored. Fills a DataTable with values from a data source using the supplied IDataReader. C# Copy public static System.Xml.Linq.XDocument Load (System.IO.Stream stream); Parameters stream Stream The stream that contains the XML data. For more information about handling events, see Handling and Raising Events. C# public System.Reflection.Assembly Load (byte[] rawAssembly); Parameters rawAssembly Byte [] An array of type byte that is a COFF-based image containing an emitted assembly. One or more DataTable's contents are modified. If you set a custom template in a control during the Page_Load event, the text values of child controls in the custom template will be lost. Call FindName with the name that you defined on the element.
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