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I need to read text in a PDF with an application written in VB . net . ... should be portable to vb . net The c# port http://sourceforge.net/projects/itextsharp/ files / ... alternativly take a look at this article for a number of .net alternatives ... Figure 13-5: Windows Vista Problem Reports and Solutions WER works a lot like a just-in-time (JIT) debugger If an application causes an error that is not caught by any of its own error handlers, the Windows error system catches the error In addition to displaying the error reporting dialog box, the system captures data at the point of failure, including the process name and version, loaded modules, and call stack information The entire process looks something like this: 1 The error event occurs 2 Windows activates the WER service 3 WER collects basic crash information If additional information is needed, the user might be prompted for consent 4 The data is uploaded to Microsoft (if the user is not connected to the Internet, the upload is deferred) 5 If an application is registered for automatic restart (using the RegisterApplicationRestart function available on Windows Vista), WER restarts the application 6. vb.net read pdf file itextsharp: VB . Net , Read PDF Line by Line as Displayed in V... | Adobe ... itextsharp read pdf line by line vb.net How to read and extract data from pdf file in vb | The ASP. NET Forums
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Following example reads PDF file and extracts text from PDF file into Console. ... // Specify regular expression used to extract text from PDF file . ... For a more detailed example, see Read and Extract PDF Text in C# and VB . NET from GemBox.Document Examples. The complete debugging API is discussed in the DebugRefDOC in the same directory as the profiling API and metadata API documents As with all documents found in the Tools Developers Guide directory, DebugRefDOC is long on describing the interface, method, and parameter values, and pretty short on usage The Samples directory contains a working debugger that's about 98 percent of the real CORDBG source code, but the actual code is sometimes confusing to follow although it will eventually reveal its secrets When reading over the debugging API documentation, pay special attention to which methods are callable from in-process debugging If the method has "Not Implemented InProcess" in green text below its name, you can't use the method What you'll find is that most of the methods you can't use are related to setting breakpoints and changing values. vb.net pdf read: C# 4.0: Convert pdf to byte [] and vice versa - Stack Overflow vb.net read pdf to text Extract Text from PDF in C# (100% . NET ) - CodeProject
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How to extract text from PDF by pages in C#, VB . NET and VBScript using ByteScout PDF Extractor SDK ... How to extract text from PDF by pages in Visual Basic . NET ...... in C# and VB . NET · Convert PDF in CSV – C# sample source code . The DataRow class provides a few methods and properties that programmers can use to set an error on any column in the row Errors can be set at any time, not necessarily when the data is entered For example, in distributed applications, it's typical for one user to create some data that another user has to validate In this situation, the reviewer can set an error message on each column of a row to signal that something is wrong with that column Amazingly, the Microsoft Windows Forms DataGrid control then detects any pending errors on displayed rows and marks them with a red exclamation point, providing the user with visual feedback that a particular column contains an error. vb.net read pdf file itextsharp Reading PDF content with itextsharp dll in VB . NET or C# - Stack ...
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Since the main reason you'll need the in-process debugging is simply for information gathering, the important parts are fully accessible The first step to using in-process debugging with the profiling API is to set the COR_PRF_ENABLE_INPROC_DEBUGGING flag when calling ICorProfilerInfo::SetEventMask Interestingly, simply setting that flag causes two side effects The first is that once you request in-process debugging, the profilee will run slower That's because the CLR won't use any precompiled code that is compiled with NGENEXE, thus forcing that code to be jitted like it normally would You might not be using NGENEXE, but the NET Framework uses it quite a bit, so that's where you'll take the hit If you've run NGENEXE, you might have noticed that you have a command-line option named /PROF that adds profiling information to generated code Although you might think 417. If a solution or additional information is available, the user is notified Although WER automatically provides error reporting for crash, hang, and kernel faults, applications can also use the WER API to obtain information for custom problems not covered by the existing error reporting In addition to the application restart feature mentioned previously, Windows Vista extends WER to support many types of noncritical events such as performance issues Corporate Error Reporting Corporate Error Reporting (CER) is a version of WER that companies can use to capture crash information from applications and forward the reports to Microsoft when they occur CER provides companies with several benefits Many companies do not want their users to automatically forward crash data to Microsoft because of concerns of forwarding company confidential information (Microsoft places strict confidentiality restrictions on the crash information it receives. The following listing shows a sample DiffGram in which row 1 has been modified, row 2 has been deleted, row 3 has an error, and a new row has been added: <diffgr:diffgram xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1"> <NorthwindInfo> <Employees diffgr:id="Employees1" msdata:rowOrder="0" diffgr:hasChanges="modified" employeeid="1" lastname="Davolio" firstname="Michela" /> <Employees diffgr:id="Employees4" msdata:rowOrder="3" diffgr:hasErrors="true" employeeid="4" lastname="Peacock" firstname="Margaret" /> <Employees diffgr:id="Employees10" msdata:rowOrder="9" diffgr:hasChanges="inserted" employeeid="10" lastname="Esposito" firstname="Dino" /> </NorthwindInfo> <diffgr:before> 362. it's worth a shot, the profiling API currently doesn't support it, so you can't use it I still think the limitations of slower code are worth it because of the benefits The second issue you'll run into is undocumented and completely confused me when I first encountered it The ICorProfilerCallback::ExceptionThrown method is passed an object ID that describes the class being thrown With my first implementation, which didn't use in-process debugging, I always got an ID I could pass to CBaseProfilerCallback::GetClassAndMethodFromFunctionId Simply adding the COR_PRF_ENABLE_INPROC_DEBUGGING flag to ICorProfilerInfo::SetEventMask and not even using the actual in-process debugging API changes something internally so that an object ID of 0 is the only thing passed. Even though the in-process debugging API had the necessary methods to find the information, it was quite disconcerting to wonder what had happened to my object ID simply because I tripped a flag! To use the debugging interfaces, you first have to call the ICorProfilerInfo::BeginInprocDebugging method to start the process of acquiring the appropriate interface As part of that call, you'll pass a DWORD pointer to a context cookie You'll need to save that cookie so that you can pass it to the ICorProfilerInfo::EndInProcDebugging method you have to call to indicate you're stopping in-process debugging The second step is to acquire the appropriate debugging interface If you're interested only in the current thread, you call the ICorProfilerInfo::GetInprocInspectionIThisThread method to get the IUnknown interface, which you can query for the ICorDebugThread interface If you want to do process-wide debugging, you call the ICorProfilerInfo::GetInprocInspectionInterface and query the return IUnknown for ICorDebug. <Employees diffgr:id="Employees1" msdata:rowOrder="0" employeeid="1" lastname="Davolio" firstname="Nancy" /> <Employees diffgr:id="Employees2" msdata:rowOrder="1" employeeid="2" lastname="Fuller" firstname="Andrew" /> </diffgr:before> <diffgr:errors> <Employees diffgr:id="Employees3" diffgr:Error="Check out the first name!!!" /> </diffgr:errors> </diffgr:diffgram> Some of the attributes and nodes that form a DiffGram come from a couple of Microsoft proprietary namespaces The default prefixes are msdata and diffgr In particular, the msdata namespace contains a number of attributes that are annotations for the data in the stream We'll look at these attributes and the entire structure of the DiffGram in the section "DiffGram Format Annotations," on page 448 The Current Data Instance The first section of the DiffGram represents the current instance of the data Although it's not strictly mandatory from a syntax standpoint, of the three constituent subtrees, the data instance is the only subtree that you will always find in a DiffGram A DiffGram without data is just the representation of an empty DataSet object. ) The primary benefit companies that implement CER receive is the ability to track crash errors in the environment By recording hard data of when corporate users experience crash events, companies can prioritize which updates to their production environment will have the most positive impact This information is also a valuable metric for the IT department to measure the effect it has on improving. Personally, I don't see why the two ICorProfilerInfo methods can't simply return the appropriate interfaces Once you have the debugging interface, you're all set to access the debugging API to get the information you need from it In my case, I wanted to get the last exception on the thread, so all I needed to do was call the ICorDebugThread::GetCurrentException method to get the ICorDebugValue interface, which describes the last exception thrown The odd thing was that every time I called the ICorDebugThread::GetCurrentException method, it failed, so I was really starting to wonder if I was ever going to get ExceptionMon working! After a very careful read of the profiling and debugging API documents, I came across a statement saying that in order to have in-process debugging do any stack operations, you need to call ICorDebugThread::EnumerateChains. The debugging API uses the concept of stack chains to string together the managed and native stack traces, which add up to the complete stack trace I couldn't see that calling ICorDebugThread::GetCurrentException would have anything to do with the stack, but I figured it was worth a try to call ICorDebugThread::EnumerateChains before I did anything else Though not documented at least not clearly I figured out that to do anything with the debugging API, you need to call ICorDebugThread::EnumerateChains first or most methods will fail Listing 10-2 shows the wrapper method I use inside ExceptionMon to get in-process debugging started Listing 10-2: BeginInprocDebugging HRESULT CExceptionMon ::. The <diffgr:before> and <diffgr:errors> subtrees are not present if the source DataSet object has no pending changes and errors A DiffGram is stateful and is like a superset of the ADONET XML normal form The data instance is nearly identical to the normal form, which is a simple, stateless snapshot of data The major difference between the DiffGram's data instance and the normal form is that the DiffGram format does not include schema information To make the overall DiffGram format truly stateful, you must combine the data with two other subtrees the original data and the pending errors By combining the contents of the three subtrees, a client can rebuild a faithful representation of the original DataSet contents Note Like the normal form, not even the DiffGram can be considered a serialization format for the DataSet as an object. vb.net read pdf to text C# / VB . NET read PDF extract text - GemBox.Document
Following example reads PDF file and extracts text from PDF file into Console. ... // Specify regular expression used to extract text from PDF file. ... For a more detailed example, see Read and Extract PDF Text in C# and VB . NET from GemBox.Document Examples. vb.net read pdf file text How to read and extract data from pdf file in vb | The ASP. NET Forums
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