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what if i m going to browse the pdf file location instead of specified it's URL... Was This ... this will open the pdf file inside your form ... hope this ... Figure 13-4: Testing the GetSalesReport Web method. Under the Hood of a Web Method Call Any call made to a Web service method is resolved by an HTTP handler module tailormade for Web services. In the ASP.NET and IIS architectures, an HTTP handler is a Web server extension that handles all the URLs of a certain type. Once the incoming call has been recognized as a Web service call, an instance of the WebServiceHandlerFactory class is created. The just-created object compiles the Web service class into an assembly (only the first time). Next the Web service factory class analyzes the request bits and parses the contents of the messages (probably, but not necessarily, a SOAP payload). If successful, the request is transformed into method information. An ad hoc data structure contains information such as the name of the method, the list of formal and actual parameters, whether the method is void, and the returned type. The method information is then passed to a call handler that will actually take care of executing the method. According to the information specified in the request, the call handler can contain context information (for example, Session) and work either synchronously or asynchronously. Finally, the server object is instantiated, the method is invoked, and the return value is written to the output stream. Figure 13-5 illustrates the process. vb.net adobe pdf reader component: How to Use VB.NET to Display a PDF - ThoughtCo display pdf file in vb.net form Viewing PDF document in Panel control. - MSDN - Microsoft
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Jul 7, 2018 · This Quick Tip shows you how to display a PDF with VB.NET. ... It's the same one you probably use to display PDF files anyway: the free Adobe Acrobat PDF Reader. To use the Reader control, first make sure that you have ... // The thread-specific functions HANDLE , , LPTHREAD_START_ROUTINE , LPVOID , DWORD , LPDWORD ) ; VOID DD_ExitThread ( DWORD dwExitCode ) ; DWORD DD_SuspendThread ( HANDLE hThread ) ; DWORD DD_ResumeThread ( HANDLE hThread ) ; BOOL DD_TerminateThread ( HANDLE hThread , DWORD dwExitCode ) ; // The following properly as uintptr_t DD_beginthreadex ( void * unsigned * ) , void * unsigned unsigned * uintptr_t DD_beginthread ( void( __cdecl *start_address )( void * ) , unsigned void * VOID DD_endthread ( void ) ; /////////////////////////////////////////////////////////////////// ///// // Waiting and special functions DWORD DD_WaitForSingleObject ( HANDLE hHandle DWORD dwMilliseconds DWORD DD_WaitForSingleObjectEx ( HANDLE hHandle DWORD 566 , ) ; , stack_size arglist , ) ; arglist initflag thrdaddr , , ) ; security stack_size , , are the CRT thread function and are handled lpThreadId dwCreationFlags lpParameter lpStartAddress DD_CreateThread (LPSECURITY_ATTRIBUTES DWORD lpThreadAttributes dwStackSize itextsharp read pdf line by line vb.net: How to Extract Text from PDF Document in C#, VB . NET - E-Iceblue display pdf file in vb.net form Free Spire. PDFViewer - Visual Studio Marketplace
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7 Jul 2018 ... This Quick Tip shows you how to display a PDF with VB . NET . ... NET." (A "plug-in" is an on-demand software component . Adobe's plug-in is ... probably use to display PDF files anyway: the free Adobe Acrobat PDF Reader . The city of K nigsberg is set on a river and connected across the mainland and two islands by seven bridges Apparently, the popular pastime of the day was to determine whether it was possible to walk a path that crossed each bridge once (and only once) Euler determined that the task was impossible In doing so, he defined relationships between nodes (dry land in this case) and edges (the bridges), and created theorems that demonstrated conditions (using a different number of bridges or connections) where the task could be completed Euler's solution is considered to be the first theorem of graph theory In mathematics, a graph is a collection of edges (or links) and nodes In MBT, edges and nodes represent transitions and states, respectively It turns out that the math behind graph traversal is very interesting for testing state models. VOID DD_endthreadex ( unsigned retval ) ; vb.net itextsharp pdfreader Embed PDF into a VB . NET form using Adobe Reader Component
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7 Jul 2018 ... This Quick Tip shows you how to display a PDF with VB . NET . ... probably use to display PDF files anyway: the free Adobe Acrobat PDF Reader . Figure 13-5: Processing a Web service call. Setting Caching Properties As mentioned, the CacheDuration property of the WebMethodAttribute class sets the length of time in seconds that the Web service should cache the page output. This feature demonstrates once again the tight integration between Web services and the ASP.NET run-time infrastructure. The CacheDuration property is implemented using the ASP.NET Cache object. Just before instantiating the server object, the Web service handler configures the Cache object. In particular, the Web service handler sets the cache to work on the server, as shown here: Response.Cache.SetCacheability(HttpCacheability.Server); In addition, the Web service handler sets the expiration time and configures the caching subsystem for parametric output, as follows: Response.Cache.VaryByHeaders["SOAPAction"] = true; Response.Cache.VaryByParams["*"] = true; dwMilliseconds , Much of the power in MBT is in the traversal algorithms Tests that run randomly through every state are interesting and often find bugs, but applying graph theory concepts to the traversal is powerful and effective A random walk traversal chooses an available transition at random It has no guidance or plan; it just strolls through the states for as long as you let it Random walks often find bugs (some consider these to be a "smart monkey test"), but can take an extremely long time to traverse through large models A weighted traversal is a slightly better solution A weighted traversal is somewhat of a guided random walk The choices of which transition to choose are still random, but the most likely choices are weighted so that they occur more often The shortest path traversal walks the path between two nodes using the least number of transitions. BOOL DWORD DD_WaitForMultipleObjects( DWORD BOOL DWORD ; The VaryByHeaders property enables you to cache multiple versions of a page, depending on the value of the HTTP header (or headers) you specify in this example, the header value is SOAPAction. The VaryByParams property, on the other hand, lets you maintain different caches for each set of distinct values of the specified parameters. In this case, using the asterisk (*) indicates that all parameters must be considered when caching a page. Note Under certain conditions, the CacheDurationattribute can constitute a significant improvement for your Web services. Ideally, you might want to set this attribute when your method returns a large amount of data (for example, a DataSet object) but receives quite a few requests distributed throughout the day. The caching mechanism the same mechanism available to all ASP.NET applications lets you distinguish cached copies of the output that are also based on parameters. Under these circumstances, generating a new data set every time the method is called isn't efficient unless, of course, user requirements mandate that you return fresh data. The advantage in performance can be relevant and significant. In my experimentation, I was able to get response times up to 8 times faster, with 2 or 3 times faster being the average. ) ; , , , ) , , , ) There are many other ways to traverse a state model using graph theory algorithms An all transitions path, as its name implies, ensures that all transitions have been exercised Note that an all transitions path includes all nodes as well The all states traversal, on the other hand, does not guarantee that all transitions have been exercised Revisiting the model from Figure 8-8, Figure 8-9 shows an example of a traversal that exercises all states, and Figure 8-10 shows an example traversal that reaches all transitions.. The Role of the XML Serializer As shown in Figure 13-5, the return value of the method call is packed as XML using the XML serializer that we saw in action in 11. The following script represents the pseudocode that creates the response for a Web service method: Response.ContentType = ContentType.Compose("text/xml", Encoding.UTF8Encoding); ser.Serialize(outputStream, returnValue); The XML serializer can't process all .NET Framework types. Remember, the XML serializer doesn't work with types that have circular references and only packs public and read/write members. The XML serializer doesn't ensure type fidelity but simply an effective XSD (or SOAP-encoded) representation of the data. Note A Web service can't return an ADO.NET object other than the DataSet object for the simple reason that the XmlSerializer class doesn't know how to handle them. On the other hand, XmlSerializer can normally handle arrays of primitive objects, and this can help when you're creating workarounds for returning complex data like that stored in many ADO.NET objects. CONST HANDLE * lpHandles bWaitAll dwMilliseconds nCount bWaitAll bAlertable nCount fWaitAll dwWakeMask nCount dwMilliseconds dwWakeMask dwFlags , , , DWORD DD_WaitForMultipleObjectsEx( DWORD BOOL DWORD BOOL ; DWORD DD_MsgWaitForMultipleObjects ( DWORD BOOL DWORD DWORD DWORD DD_MsgWaitForMultipleObjectsEx ( DWORD DWORD DWORD DWORD ; Guth, "In Secret Hideaway, Bill Gates Ponders Microsoft's Future," Wall Street Journal, March 28, 2005, http://online.wsj.com/article_email/SB111196625830690477IZjgYNklaB4o52sbHmIa62Im4.html. Disabling HTTP-POST and HTTP-GET As we'll see in more detail in the section "Invoking a Web Service Through Script," on page 586, you can invoke a Web service method using a SOAP message as well as a plain HTTP-POST or HTTP-GET command. The latter two protocols have been introduced to make accessing a Web service easier than ever. However, leaving the Web service door open to HTTP packets can constitute a potential security hole. If you want to disable the HTTP-POST and HTTP-GET support on a machine-wide basis, do as follows. First locate the machine.config file (more on configuration files in 15) in the local system. The file is normally located in the config subdirectory of the .NET Framework installation path. A typical path is shown here: c:\winnt\microsoft.net\framework\v1.0.3705\config\machine.config 469 dwMilliseconds , vb.net pdf reader .Net PDF Viewer Component - Open Source - Experts Exchange
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