Hi, I want to refresh all the screen (including the desktop) or a part of the screen. I can have a reference to the screen with win32 API : [DllImport("user32")] public static extern int GetWindowDC(IntPtr hwnd); private void fct(){ Graphics g = Graphics.FromHdc(new IntPtr(GetWindow...more >>

I know, this kind of question has already been asked. However, I could not find an answer related to the minimal privilege required to be able to create a new event Source in the appplication event log. I have a service app that needs to access shares (therefore, I cannot not start it using th...more >>

Hi For compatibilty reasons with an older system, I need to have a method called string() .. In VB.Net I may use [keyword] names for my own functions, such as Public Function [String](ByVal s as String) as String ..... In C#, public string string(string s) // function must have the n...more >>

Hi From an ActiveX i got an BitmapInfoHdr and the pixel data. I want to compress it into JPG and then sent it via network to a remote. I spent some time looking through the classes but did'nt find a good starting point to convert(compress) my Bitmap data to chunk of JPG data. Any hints ?...more >>

is there a place where I can get the 1.0 api at? also a place where I can get the differences with 1.1? I am trying to use the Activator class and the intellisense on VC# (1.0 api)says that it returns an ObjectHandle when you create an instance, while the API (1.1) on the microsoft site says tha...more >>

hi, A "String" object is pointing to a certain location with some value in it. I want to change the value in it with out changing the location. thanks for any help manoj...more >>

How to chage Absolute url to relative url ,and relative url to absolute url...more >>

You can use a custom format specifier to format a numeric to a string... e.g int i= 2; string formatSpecifier = "## px"; i.ToString(formatSpecifier); But given given a string and the custom format specifier used to format it, how can you parse that string back to a numeric ? I've sear...more >>

Hi , I'm trying to show a bitmap I pasted on an Access DB, but when I try to convert the memorystream to bitmap I get an error, can any one help me out ?? Thanks a lot. Paolo L. ...more >>

hi i am using the datepicker control to allow the user to choose a date and a time but can i do this in just one control? currently i have 2 controls 1 for date and 1 for time thanx ...more >>

I am about to start a project using c#. Performance is a concern, and I was curious to know the performance of c# as it compares to C++ and Java. Any comments?...more >>

Hello everybody! I wrote an project with one class (Class) and two forms (Form1, Form2): -----------------------------------Form2AndClass1Begin---------------------- ------------------ public class Class { public void Form2_Closed(object sender, System.EventArgs e) { ((Form2)send...more >>

I need to do something in an asp.net application to get shipping costs from UPS. a)does anyone have any C# code for this? That would be immensely helpful as then I could examine it and apply it directly to my problem 2)if not, can someone help me out with the network programming? there ...more >>

I draw a grid on a panel.And panel1' property AutoScroll is set true.When HScroollBar is Scroolling,the grid is error. I have rewritten the mathod of WndProc.But the effect is unexpected. How can i do? Thx a lot. Main codes go here: class frm private MyApp.Panel panel1; this.panel1.Pain...more >>

Hi all; I have one application in which I read form names from database to be = opened. I open form with the code below, and call its show method for form to be = shown but before this, I must set MdiChild property to true to make this form = child I can call functions as you can see li...more >>

Hi, I have a class which has a lot of events (>100). For some reasons, I have to go through all invocation lists to do something. What I'm wondering is that, is there any way to use reflection to get their InvocationList without going through each event? // tedious foreach (Delegate handle...more >>

In 1.0, there was a method call: XslTransform.Load(IXPathNavigable, XmlResolver) In 1.1, compiling a call to it gives a warning that this signature is obsolete and evidence should be suppied, that it, that a call to XslTransform.Load(IXPathNavigable, XmlResolver, Evidence) is prefer...more >>

i wanna create a bot to download wallpaper from a website cuz there are thousands of pic availiable and right click and "save as" ain't fun no more so far i got this from google +++++++++++ WebClient Client = new WebClient(); Client.DownloadFile(url, save_as); +++++++++++ but that ...more >>

public class Form1 : System.Windows.Forms.Form { MyClass myclass; public Form1() { myclass = new MyClass(); } } In one moment i need to know all the classes created. How can i know this. I can get all the controls with System.Collections.IEnumerator enume = ...more >>

Is there a way to pass a method as a paramenter when you call a method, kinda like you do when you create an event handler. Basically I want to be able to call method A() and tell it to call method B() but sometimes I want it to call method C(). I know how to design this if I use interfaces or a...more >>

Hi, I am trying to create an editor and the structure of our existing files are as follows. In C# how would I read the following binary data from a file and convert it into usable data. // c code typedef struct { float x0, y0, z0; float x1, y1, z1; float x2, y2, z2; ...more >>

Using the Visual C#.Net editor I have created a cursor.cur file as a resource. I would like to be able to set the hotspot. The problem is the "Set Hotspot Tool" is deselected. Anyone have a clue how to get it enabled? Regards, John ...more >>

somebody has some example of criptografar given to be recorded in the data base? '[] WiRaN ...more >>

Hi, I am developing a new application running on Windows platform that needs to interface with existing legacy code - written in basic C / C++. I am trying to evaluate Java vs C# implementations. Originally, I have the impression that C# should be a clear winner. I started with Java and usi...more >>

I have been trying to figure out how to have a custom control that is irregular (non-rectangular) not interfere with other elements on the screen that may interfere with it's "regular" shape (the control defining rectangle). For example, if I make a custom control that simply paints a cir...more >>

Hi, I am trying to develop a C# application that will run on Windows that will do the following * Select file name to process * FTP the file to a UNIX server * Process this file on UNIX using a program on UNIX "./pgmname -options Infilename > OutputFilename" * FTP the output of this ...more >>

This was it Greg. http://www.asp.net/faq/ms03-32-Issue.aspx Maybe you can use it in the future....more >>

I know that a Class can have an indexer, but can one or more properties be created with an indexer? You could do this in VB6.. such as: MyProperty (ByVal Index) As String MyPropety = MyVal(Index)...more >>

How do I get Intellisense to open a dropdown list box for a method's parameters when the parameter is an ENUM? public class MyClass { public enum IDkind { PersonID, EntityID, PlaceID } /// <summary> /// Gets an ID value of a parti...more >>

I'm using the following code to highlight the current row: private void Datagrid1_CurrentCellChanged(object sender, System.EventArgs e) { DataGrid1.Select(DataGrid1.CurrentRowIndex); } The entire row is selected, but the cell with cursor in it, shows the grid value as selected. The loo...more >>

I have installed SDK 1.1 and the redist then I run : sdkvars.bat to set up the the environment. I copy a little program just try , this program is trying to connect to Yahoo mail. when I compile using csc /r:System.Net.dll /r:System.IO.dll pop.cs ( according to the author's instru...more >>

I returned to .NET from working in VC6.0 today and I can no longer run my lcoalhost webapps. The message I get in the browser is "Server Application Unavailable ... An error message detailing the cause of this specific request failure can be found in the system event log of the web serve...more >>

I need to write an app that keeps check on our drives. I have tried using DirectoryInfo and Directory but it is way too slow. I have a new 2 terrabyte server going into production on Monday. Is there a way to just get the size, space used and space available, just like in the properties when look...more >>

Hi what would be the C# equivalent of a VB.NET file that looks like this: Module Utilities Public Sub UtilitySubOne ( ByVal arg As String) // blah blah End Sub Public Sub UtilitySubTwo ( ByVal arg As String) // blah blah End Sub End Module ....VB.NET has the concept of ...more >>

I use debug->"Start without debugging", I get the following message on the browser window. What log file is it talking about? Server Application Unavailable The web application you are attempting to access on this web server is currently unavailable. Please hit the "Refresh" button in...more >>

I returned from VC6.0 work to webapp work today and fo some reason I can't run my webapps anymore. Here is what is happening: I use an F5 to run and debug. I get an error window "Unable to start debugging on the web server. Server side-error occurred on sending debug HTTP request." I...more >>

Hi, Assigning the DataSource of a Combobox to a dataview, on a win form, throws the exception "Object reference not set to an instance of an object". The ComboBox has already been created and is a valid object. The Dataview is also valid and has data in it. Any idea why this exception is thrown?...more >>

Hello, I'm trying to print a dataGrid using PrintDocument control. My datagrid has about 23 columns so it is fairly wide. When I use the PrintControl, it prints only the part of the dataGrid that is visible on screen. I tried using PrintPreviewDialog too but it still only shows just what is visi...more >>

Hi; I wonder whether I can do these with GridControl or not 1-) Disable multiple selection of user 2-) Automatically select whole row when a cell of one row is selected . regards.. ...more >>

Hi, At some time I want to display a form with a progress bar on it. However, the progress bar already starts to run before the form had the time to build up completely (that is: I can see the content of the underlaying form on it). How can I prevent that my code starts to run before the form ...more >>

I posted a related problem today. The problem is this: string str1 = @""""; When I execute this code (even in a bare bones application), in the IDE it returns "\""" Why? Even in the immediate window it return this. Anywhere where I attempt to use two apostrophes, it inserts a backslash. E...more >>

Hi, I am very new to C#, so this may seem to simple to be true. Anyway, the problem is this: I have my MainWindow class and an MDI child window and its associated class. The class MainWindow class has a function called DrawChart. My MDI child needs to make a call to DrawChart. Now I k...more >>

Hi; In my application, I must hold database password in a configuration file at client. Two questions, * Is there way to keep password easily using an ini file structure ? ( I cant use registry , because program will place on one path on network and all clients will run them from this ne...more >>

In Jesse Liberty's "Programming in C#" he says that "...an assembly must have exactly one entry point: DLLMain, WinMain, or Main. DLLMain is the entry point for DLLs..." In the MSDN ".Net Framework Developer's Guide" it says that "...each assembly can have only one entry point (that is, DllMa...more >>

I have a list box called "listbox1" and a text box call "testbox1" I have read all the msdn stuff about drag and drop. Can somebody throw me a bone and tell me how to drag from the listbox into the text box. If everything in life was simple why bother doing it *** Sent via Deve...more >>

This morning I ran Microsoft's Windows Update from http://v4.windowsupdate.microsoft.com/en/default.asp After hours of development, I have now discovered something horrible has happened with the .NET. The .NET Framework no longer has the Concat method in the strings class. I just posted ...more >>

I want the following string to be created: hello "Bob" This is how I've been doing it up till now... string s = "hello\"bob\""; An alternative is... string s = "hello ""Bob"""; Why is that it no longer works on my system? I keep getting "hello\"Bob\"" No matter what I do, the...more >>

I want to enable/disable individual items in a checkedlistbox. I have a field in a db that tells me whether the item should be enabled. I am just not sure how to disable an item in the checkedlistbox Thanks, Robert *** Sent via Developersdex http://www.developersdex.com *** Don't just pa...more >>

Concerning marshalling of unmanaged data types from and to a C-library, what does this error mean? "An unhandled exception of type 'System.Runtime.InteropServices.MarshalDirectiveException' occurred in TivoliUML.exe Additional information: Can not marshal parameter #1: Invalid managed/un...more >>

I have a C-library API to the Tivoli LDAP allowing to manage users and groups. The user management is an ASP.Net application and this library should update/synchronize the LDAP. The C-lib signature is: int SIT_Registry_Initialise( void ** _LdapSession , char* _szHost_Port, char* _szAdmin_...more >>

Hi. I am trying to get a type object using GetType. For this, I use: Type type = Type.GetType("System.Windows.Forms.TextBox"); But after this line, when I check, type is null. What am I doing wrong ? How to do it right ? Thank you and God bless. _____ Marco...more >>

Hi ! I am looking for a way to call IL instruction from withing C# code. I am not talking about System.Reflection.Emit sort of topics, but rather about existing C# code, where I want to call IL instruction. More specificly, I want to call "OpCodes.Nop" instruction in C# code in order to mak...more >>

Hi, I was wondering whether the (compared to VB.NET) poor Intellisense will be upgraded in a service release, or do I have to wait for the next VS.NET? Is there an inherent reason for the lack of a speedy Intellisense engine in C#?? Regards, Tobias...more >>

Hi i got a big problem and don't know how to solve it... i have an access DB and try to insert a new record! Fild1: ID - Numeric - PrimaryKey Fild2: User - Text //---My ConnectionString---------------------------------- Application["OleConStr"] = "Provider=Microsoft.Jet.OLEDB.4.0;Mo...more >>

hi, I have some basic questions. Can anybody explain me the following doubt: 1. In my asp page, right click and selected HTML source code. Added following method. <script language="javascript"> private void Page_Load(object sender, System.EventArgs e) { aler...more >>

Hi, How do i increase the size of the array without losing the data of that array in c#? thanks ...more >>

I want to find out what is the internet connection type of my computer. i.e. Am i connected via 56K modem, DSL, Cable, T1, T2, T3. Or if i am in a Lan, what is the connection type on the gateway? How can I find it out using C#? Thanx in advance for any response p.s. I am a starter in C#...more >>

Hello, Does anyone know how to stop labels from wrapping text. If the text is to long for the label then I want it to hide the text just like out the TextBox control works. Thanks,...more >>