Hi, I have some VB6 code that calls unmanaged DLLs, and I am converting it to C#. There's a couple of structs I need to define. I've had no problems with this one: Public Type A sz(128) As Byte End Type The above VB6 translates happily into C# as the following: public struct ...more >>

In the example below, I'm trying to simply find all the date values in an XML document (the XML is a string in this example) and then add an upper case Z between the last digit and the closing '<' character. My strSearch is ok, but my strReplace doesn't seem to do anything. Anyone know h...more >>

Hi Guys, I'm new in crystal reports in C#, and what I'm asking what's the equivalant of VB's "CRAXDRT.Report"? is it ReportDocument!!!? Thanks...more >>

Hi Instead of binding to a control, can i bind to an non visual object ? I want to have a string that is the result of adding 2 fields, can i to it with adding some kind of binding to a class object ? eg , string fullname = dr["Firstname"] as string + " " + dr["lastname"] as string ...more >>

In VS05, I've created a menu for the application and would like to insert a 'most recently used' item to hold, of course, the most recently used items that this application is associated with. However, it is not clear to me how this should be done. Would someone be kind enough to point me in the ...more >>

How does one make docking toolbars and menus? I had high hopes for the toolstrip container but it appears that it only allows a toolstrip or menustrip to be moved from one of its edges to another instead of providing a mechanism whereby the entire strip can be picked up, moved around in rela...more >>

Hi all, I've got a class with a private DataSet member, and a void display() method. The display() method is *supposed* to take the DataSet for the class (instance), new up a predefined for which has a DataGrid, slap the DataSet onto the DataGrid, and set the form.visible to true. I'm ha...more >>

Hi, In a windows application, What are the APIs to use to detect if the user has not using keyboard or mouse for a while(idle)? And what is the API to know the user just used either one (out of idle)? Can we know it at computer level, or application, or one particular form level? Thanks...more >>

I would like to change the default errortext icon to a warning icon, just like how you can select the icons displayed in a messagebox -- L. A. Jones...more >>

I'd like to use ThreadPool.QueueUserWorkItem( new WaitCallback( flashRowColor(dgv) ) ); in a couple of places. I have a method the callback should use: private void flashRowColor( object pDataGridView ){...} I've tried several combinations of using delegate keyword, parameters for Wa...more >>

Hi, I need to change the scrollbars' UI of DataGrid (C#, Framework 1.1). I tried many ways, but I can not implement it yet. Please help me if you know how to do it. I have implemented a scrollbar (public class HorizontalScrollBar : System.Windows.Forms.HScrollBar) by Painting itself....more >>

Hi, any one can point me to a good Component/library to handle LZH in memory ?? Thanks, Paolo...more >>

Hi, I have a ListView with one column and no header. How to display the horizontal scrollbar if one of the items is too long? Scrolable property is set to true. Thanks, Lubomir...more >>

In the code snippet below, I have a base class (originally written in C++) that byte swaps data when assigned or read from the class (thus, always storing the data as big-endian). As for those wondering how the data is set outside these 2 public operations: This class is later used to decl...more >>

Hi Everyone: I am new to C# and wants to delete current directory and all sub directories. Can someone please provide some sample? Thanks in advance. Pargat ...more >>

Hi, I am looking for a trackbar (slider) that could be a little bit more customizable that the Microsoft one. Do you know one (free or commercial) ? Thanks ! ...more >>

Hi, I have a data grid where I created two data columns using the designer. one of the columns I set the read only property to true, the other to false. Yet, when I run the code, I can change the values in the column where I set the read only property to true. Would anyone know why that is...more >>

Hi, I have a DataGridView on my Form1 and a public function that can add a row to it. I want to be able to access that member function from another class. I'm confused as to how to do this. Can anyone please help? Thanks! ...more >>

I have been tasked with writing code which overrides the TraceListener class for the purpose of limiting the size of the log file. Basically, when the log file grows to a certain size, I need to begin overwriting it from the beginning. I am using a ReadWrite Stream to do this. My problem is t...more >>

Hello,I'm a problem. I inizialize an object BindingSource with : myBindingSource.DataSource = myDatatable; and myDataGridView.DataSource = myBindingSource. but I have a problem : when I filter BindingSource ( code : myBindingSource.Filter = "FIELD=0") myDataGridView show many error , For ex...more >>

Hi! I am creating a composite control that does some of it`s own data access. I want to display a progress bar while the cntrol does it`s thing. I tryed opening up another thread in the Render methos but: A) this seams wastefull B) Nothing shows up until the render method is done, anyway. Ca...more >>

Hi! I`m creating a composite control that does some of it`s own data access. I want a type of progress bar while the control is doing it`s thing. (an animated gif will do, nothing fancy) I don`t really know where to start. I tryed starting another thread in the Render method but: A) This seems...more >>

Here is another question we have been meaning to post for a long time. My colleague is literally pulling chunks of hair out of his head right now. We have a logging class. This class is mutlithreaded (as required by our boss). So when we tell the class to log something, it puts the data in...more >>

I have a DataTable and in one of the columns, I'm storing an object. When certain properties of that object change, I want the DataTable to trigger an update in the grid (via the CurrencyManager). Is that possible without setting the Row/Col to a new instance of the object? Here's the th...more >>

Hi, I have an assembly and would like to know what DOT.NET framework it needs to run. I know I can do that using Visual Studio and adding it to a project, but I would like to do this another way. Thanks ...more >>

Hi All, I have got the standard edition of VS and I'm having a blast with C#, having come from a Delphi background. VS has some very nice features like the windows docking mechanism and the pinned windows. Are these controls available somewhere in the VS-standard palette or do you need the ...more >>

Hello, I have tried this using the MouseEnter/MouseLeave events. However these events do not really refer to the rectangular shape of the form, but the client area (form area minus children areas). This means that if the mouse is currently inside the form's client area and it enters a child, ...more >>

Hi, I am converting a dataset into xml file using the following command: dsXml.WriteXml("filename.xml"); Using the xml file i did my functionality. I works fine in the developed machine. I deployed the same in a remote server through ftp. When i request for the page i am getting the pop u...more >>

I happens to surf to http://www.codeproject.com/cs/internet/Crawler.asp, which claims that WebRequest.GetResponse() will block other thread calling this function until WebResponse.Close() is called. I did some experimentation. public static void Main(string[] args) { for (int idx=0; i...more >>

I have been working with Delphi since its inception (10+ years but only up to v5) and am now tackling C#. I find it immense in depth with an enormous amount to learn. This is just a comment but i would like to know how long it has taken some of you obviously proficient programmers ...more >>

Hello everybody, here is a question I have to deal with : In brief, I have an Excel document which consists of 3 sheets ( with the same names for each document ). The document always has fixed format except for number of rows, but it doesn't have a correct table format. I mean that each shee...more >>

Is is possible to use the Graphics Path to store curves and then compute things on them? For example, In one of my controls I one to use a Graphics Path to store a curve that represents something but I need to be able to get the tangent at an arbitrary point on that curve. (basically the poin...more >>

Hi. Whenever I try to do this: myTextBox.TextChanged += new System.IO.FileSystemEventHandler(textChanged(myRow.Cells[1], myTextBox.Text)); I get the error: "Method name expected" Can any one help me with this one? Thanks Ricardo Carvalho ...more >>