read the windows event log by particular Source
How can i read the windows event log by particular Source, Date time and category?? ...
.net
Parsing third-party XML
What path would you took to parse a large XML file (2MB - 20 MB or more), that does not have a schema (I cannot infer one with XSD.exe because the file structure is odd, check the snippet below)? Options 1) XML Deserialization (but as said, I don't have a schema and XSD tool complains about the file contents), 2) Linq to XML, 3) loadin...
How to check the compatibility between my program and the .NET Framework versions?
Hi all I am writing a program which is targeted to run on .net framework 2.0. I have chosen 2.0 in my VS project. It runs fine on my machine (mine has 2.0 SP2), so there is no compile error. but when I tried to run it on another machine (only with 2.0, no sp), it cannot run. I am aware that I used some method which is supported by 2...
Can a .NET app that was built against 1.1 be guaranteed to run on any machine with newer versions of .NET?
My new Windows 7 machine for instance doesn't appear to have a .NET installation folder with 1.1 assemblies. Will an app built and targeting 1.1 run without modify this machine with an older distribution of .NET? ...
Changing to new Framework
Hi, I have a solution with many, many projects. How do I change the target framework to .NET 4.0 without going to each one individually and manually changing the dropdown? ...
Sending SMTP e-mail at a high rate in .NET
I have a .NET service that processes a queue on a background thread and from the items in the queue sends out a large number of small e-mail messages at a very high rate (say 100 messages per second if that is even possible). Currently, I use SmtpClient.Send() but I'm afraid that it may hamper performance. Each call to Send() goes throu...
How to get the position of the tracker of a .NET TrackBar?
I am building a Windows Forms applicaton in C# and have a TrackBar on my Form. How can I compute the (pixel) position of the tip of the tracker? I would like to draw a line from there to another point on my form. Additionally I also would like to compute the lowest and highest possible x position of the tip. ...
How can I access the controls in a Windows Forms Designer window through a VS macro?
I'm just getting started on this, so bear with me. I was looking into writing some macros to provide keyboard shortcuts in the Windows Forms Designer in Visual Studio. In particular I was hoping to create shortcuts for manipulating certain properties of the selected control in the designer. Obviously to do this I need to somehow access t...
Implementing IXmlSerializable on a generated class that has XmlTypeAttribute
Basically, the initial problem is I need to make a boolean value serialize as 0 or 1. The solution I found was to implement IXmlSerializable, which I did. Unfortunately the class I'm trying to serialize is generated code off a schema and has an XmlTypeAttribute on it. When I try to (de)serialize the object with the XmlSerializer created ...
How to determine if a .NET Type is a custom struct?
Hi! How to write a simple method, that checks whether a concrete type is a custom struct (created with public struct { };) or not. Checking Type.IsValueType is not enough, because it is also true to int, long, etc, and adding a check to !IsPrimitiveType won't exclude decimal, DateTime and maybe some other value types. I know that most ...
Spell check in winforms
In my win forms c# app, I want to be able to add spell check functionality. But, I want to do it my own way, and NOT use any other components. All I need is just an online service where i can send a request or something and it tells me whether or not the word i sent was spelled correctly. Preferred but not required: The ability for that...
Convert Justified Paragraph To Image
I need to convert a paragraph of text into an image. Converting the text into an image is no problem. I have the code to do that. But the text must be shown as a paragraph with each line centered. That is a problem! Currently I can convert the text into a left justified paragraph because there are carriage returns in the text string. I ...
C# Invoke method Class/Interface (native code, cost)
Hello, Suppose we have some class A that implements some interface I I i = new A(); i.method(); // example 1 A a = (A)i; a.method() // example 2 The IL code generated for each call to "method()" is same, but which one of invocations to method "method()" have more cost in native code and why? Any help will be appreciated. ...
infragistics version 2010 compatibility
Hi I am using infragistic version 8.1 in my project .. I heard that now the latest version availble is 2010.. i just want to know that if i use infragistic 2010 in my project will it be compatible, because in my project im using .net 2.0..if i upgrade what will be the compatibility.. thank you ...
ByRef vs ByVal generates errors!?
ByRef vs ByVal generates errors!? I had a method that used an Object Function Foo(ByRef bar as CustomObject) as Boolean this method generated errors, because some strange .NET Runtime things changed the bar object, causing its Dispose()al. A lot of time spent to understand the thing(where the ... object is changed), until somebody ...
Solved: TryGetObjectByKey... empty ObjectSets
When I use TryGetObjectByKey on my ObjectContext, it returns an error. An item with a duplicate value already exists. When I look at my objectContext, I see that the ObjectSets are empty. What Am I doing wrong... When I enumerate the ObjectSet by hand, by using ToArray on it, or by using the debugger, it does work. LazyLoadingEnabled =...
Accessing deleted rows from a DataTable
Hello: I have a parent WinForm that has a MyDataTable _dt as a member. The MyDataTable type was created in the "typed dataset" designer tool in Visual Studio 2005 (MyDataTable inherits from DataTable) _dt gets populated from a db via ADO.NET. Based on changes from user interaction in the form, I delete a row from the table like so: ...
How to deal with Rounding-off TimeSpan?
I take the difference between two DateTime fields, and store it in a TimeSpan variable, Now I have to round-off the TimeSpan by the following rules: if the minutes in TimeSpan is less than 30 then Minutes and Seconds must be set to zero, if the minutes in TimeSpan is equal to or greater than 30 then hours must be incremented by 1 and Mi...
Relative Path issue with .Net Windows Service..?
I have a windows service which is trying to access an xml file from the Application directory. Windows Service Installed directory : C:\Services\MyService\MyService.exe Path of the xml file : C:\Services\MyService\MyService.xml I am trying to access the file using the following code. using (FileStream stream = new FileStream("MyServi...
How to access a silverlight control's properties and methods from an aspx page?
I'm developing a web site, and i'm using infragistics for web, but I want to use in some pages silverlight controls (Infragistics too). Is there a way to access a silverlight control's properties and methods from an aspx page? Thanks in advance for the help. ...