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Put a Acrobat PDF Reader control on your form and call PDFControlName. LoadFile() to open a PDF from your code and PDFControlName. Let's see what a client must do to call a method on a remote object. To begin, add a project reference to the assembly that contains the remote object by rightclicking References in Solution Explorer, choosing Add Reference from the shortcut menu, and traversing the network to locate the target assembly. The project reference lets the client application know about the types defined in the assembly. Note Even if your remotable object is hosted by IIS, when you reference the assembly from a remoting client, choose the Add Reference option. The Add Web Reference command on the same shortcut menu is reserved for Web services and, more importantly, starts a completely different linking procedure. (More on this in 13.) vb.net pdf viewer free: Reference Adobe Reader dll to control pdf ? - Stack Overflow vb.net pdf viewer control How to open pdf file in vb . net applicatin? - MSDN - Microsoft
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What is the best way of embedding adobe pdf document in a VB . Net form with 100% compatibility? I believe most of you remember the good adobe reader ... He called his two key developers together and the four of us got into a conference call The VP was ranting and raving that the developers had slipped too long because of this deadlock bug, and he was not happy I could just imagine the two engineers cringing as their dirty laundry got aired to some guy on the phone they didn't know They were porting the application from, in the VP's words, "a real operating system" (UNIX) to "this (censored) toy operating system called Windows," and that just "ruined his year" Of course, when I asked him why, he did have to admit that "it was to stay in business" I had to smile on my end of the phone quite a bit about that! The engineers mailed me the code and we started going through it with the VP stalking around the conference room. vb.net open pdf in webbrowser Open a PDF file in asp. net new window | The ASP. NET Forums
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Right click under the "General" tab, and click "Choose Items." Click the second tab called "COM Components," and near the top you should see "Adobe PDF Reader." Check it and hit OK. Now you can drag the object onto your form. As I got my bearings in the code and got toward the area where the deadlock was, I immediately broke out in a huge flop sweat and felt my heart pounding I knew that if I'd said that all they had to do was backspace over a D, an N, an E, and an S, and type a P, an O, an S, and a T, the VP was going to blow a fuse and probably fire those two engineers The Outcome I didn't say anything for quite a bit until I collected my thoughts After a long exhale and saying "Whew, this looks really, really tough," I told the development manager that it was going to take a few hours to sort this out. Referencing a remote assembly is only the first step to being able to call any of its methods. Configuring the Caller The remote object must be registered with the local application before you can successfully use it. The .NET Remoting system must be aware that objects of certain types represent instances of remote objects. In this way, ad hoc code can be generated to obtain the necessary proxy. You configure the client application either through a configuration file or programmatically by calling the RegisterWellKnownClientType method on the static RemotingConfiguration object, as shown here: RemotingConfiguration.RegisterWellKnownClientType( typeof(ServiceSalesProvider), "http://www.contoso.com/SalesReport/ServiceSalesProvider.rem"); To register a well-known type, you pass in the type and object URI. If the object is not server-activated, and therefore is not a well-known object, you use the RegisterActivatedClientType instead, as follows: RemotingConfiguration.RegisterActivatedClientType( typeof(ServiceSalesProvider), "http://www.contoso.com/SalesReport"); In this case, you don't need to pass an explicit object URI. However, you still need to indicate the remote path for the target object. Because we are working with IIS as the host, the remote path must be the URL of the virtual directory. If a custom host is used, instead of the URL, you use a TCP address and the port, as shown here: RemotingConfiguration.RegisterActivatedClientType( 447 So, is this example two, four, or eight lines long The answer depends on whom you ask. Some LOC measurements count only statements (in C, for example, this includes only lines ending in a semicolon). Other measurements count all lines except blank lines and comments. Others still count the number of assembly instructions generated (each of the preceding examples generates the exact same It was best if the engineers and I worked on it alone because I'm sure he had much more important things to do than to listen to three engineers read hexadecimal numbers to each other over the phone Fortunately, he bought it and I told the engineers I would call them back in their computer lab When I called the engineers I told them they had made a very common mistake that a lot of UNIX developers make: calling a function to send a message from one thread to another in some versions of UNIX immediately returns However, in Windows, SendMessage doesn't return until the message is processed I saw in the code the place where the thread they were sending to was already blocked on the synchronization object, and that SendMessage was the reason for the deadlock They felt a little bad when I told them that 535. typeof(ServiceSalesProvider), "tcp://192345341:8082"); You can also direct the caller application to read setup information from a configuration file located in the same path as the executable In this case, the convention is to give the file the same name as the executable plus a config extension You then pass the file name to the Configure method, as shown here: RemotingConfigurationConfigure("MyClientexeconfig"); The following script shows the layout of a client configuration file: <configuration> <systemruntimeremoting> <application name="MyClient" > <client> <wellknown type="XmlNetCSServiceSalesProvider, ServiceSalesProvider" url="http://server/SalesReport/ServiceSalesProviderrem" /> </client> <channels> <channel ref="http" /> </channels> </application> </systemruntimeremoting> </configuration> As you can see, the differences between the client and the server-side configuration files are minimal and are all related to the use of the <client> tag instead of <service>. to fix their problem they just needed to change SendMessage to PostMessage. I told them it was perfectly understandable they misunderstood what was going on. We spent the rest of the day going over other things they were running into such as DLL relocations and building their applications with full debug symbols. When we got back on the phone with the VP, I just told him it was one of the toughest bugs I'd worked on, but his engineers really went the extra mile to help make it right. In the end, everyone was happy. The VP got his bug fixed, the engineers learned a bunch of hints to help them develop better, and I didn't get anyone fired! The Lesson If you've got multiple threads and you want to use message communications between threads, think long and hard about how those synchronization objects and messages will interact. If you're in that situation, try always to use PostMessage. Of course, if you're using the messages to pass more than 32-bit data values across, PostMessage calls won't work because the parameters you pass can be corrupted by the time the other thread processes the message. In that case, use SendMessageTimeOut so that you'll at least return at some point and then can look to see whether the other thread is deadlocked or could not process the message. assembly language or intermediate language when compiled as managed code). Although there are many methods for counting LOC, all you have to do if you want to measure LOC is pick a method that you like, and use it consistently. Measuring program length through lines of code is rarely an actionable metric but is simple to calculate and has potential for such tasks as comparing the deltas between two versions of a product or two components in a project. Debugging War Story: The Deadlock Makes No Sense The Battle A team was developing an application and ran into a nasty deadlock that made no sense After struggling with the deadlock for a couple of days an ordeal that brought development to a standstill the team asked me to come help them figure out the bug The product they were working on had an interesting architecture and was heavily multithreaded The deadlock they were running into occurred only at a certain time, and it always happened in the middle of a series of DLL loads The program deadlocked when WaitForSingleObject was called to check whether a thread was able to create some shared objects The team was good and had already double-checked and triple-checked their code for potential deadlocks but they remained completely stumped. The server object publishes the list of supported channels, and based on that list, the client can decide which channel to use Note that servers must register at least one channel Clients are not required to indicate a channel If a client doesn't indicate a channel, the NET Remoting system uses one of the default channels On the other hand, a client that plans to use a given channel must first register with it The application can run the channel registration procedure personally or let it run by default under the control of the RemotingConfiguration object Channels are registered on a per-AppDomain basis and must have unique names in that context On physical machines, however, only one channel can listen to a given port In other words, at any time you can't have more than one channel registered to work on a given port on a given machine. I asked if they had walked through the code to check for deadlocks, and they assured me that they had The Outcome I remember this situation fondly because it was one of the few times I got to look like a hero within 5 minutes of starting the debugger Once the team duplicated the deadlock, I took a quick look at the Call Stack window and noticed that the program was waiting on a thread handle inside DllMain As part of their architecture, when a certain DLL loads, that DLL's DllMain starts another thread It then immediately calls WaitForSingleObject on an acknowledge event object to ensure that the spawned thread was able to properly initialize some important shared objects before continuing with the rest of the DllMain processing. vb.net embed pdf viewer Viewing PDF document in Panel control . - MSDN - Microsoft
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