How can I allow my WinForm user to select/copy/paste the content of a Label? Thank you in advance, Jerry Nixon ...more >>

Anybody know how to set this? listview.ForeColor has no effect on it. If I change my listview forecolor to green the group headers stay black. ...more >>

Displaying HTML/XHTML from source XML file i am having an xml file i want to display the contents of the xml file in a web browser control in winforms however i want to display it as html/xhtml after applying formatting. how can this be done? ...more >>

I just added a datagridView to my form and it looks like it adds a 'Selector' box in the header row. That box that is blank, has the * in it if you can add records. How do I get rid of that thing? I can't find any option to get rid of that selector box. Thanks. ...more >>

Let me be more explicit on the problem: i've been making some testings on my application and i realized that the application hangs in this situation: I have a main window created in the thread which called Application.Run so it has the message loop right? Well, then i have another thread wich ...more >>

Hi there.Im building a multithreaded application which uses forms and im having some problems possibly due to my inexperience. The project is being developed in C# with visual studio 2005. I have a main thread which executes Application.Run() (so it has the message loop for the interface) and ...more >>

HI, I have questation about computer domain . How I simpli get this information from computer ? I want use systeminformation , properties userdomainname , but this is user domain ... thanx marek ...more >>

I'm trying to create a label control in VB.NET2005 that will automatically change it's height to fit the content. To do that i'm using MeasureString to determine required height for a set width. What i found is that MeasureString sometimes returns the height which is smaller then it should b...more >>

I have a bunch of related classes that I want to add into a Treeview with a hierarchy. However, Treeview doesn't support the insertion of the root 'object' type into the nodes, which surprises me. I just wanted to add them in and have the mouse events fire back with the reference to the object...more >>

I have made setup project (VS 2005) that includes setup of my app and Framework 2.0 How can I check if there is installed Windows Installer 3.1 and if not to install it? I know that I have to add launch condition, but don't know what to type in properties. Thanks ...more >>

Is there anyway to speed up the selecting and coloring of text in a richedit. The parsing of the text is nothing in comparison with how long it takes these two calls to take place (over many lines): rtb.Select(currentPos, myLine.Length); rtb.SelectionColor = myColor; From my res...more >>

I have a project which is a Windows Form "Wizard". Each "page" displayed in the main Wizard form will be a user control. Each of these user controls will share many similar attributes. So it seems natural for me to create a base user control class and have all my "pages" inherit from it. But i...more >>

Hi, I'm developing an MDI application and i am having a problem: how do i know the state of MdiClient; what i mean is: when i maximize a MDI child, then close it and then open a new MDI child, it will open maximized, then if i change it's state to Normal and close, then next opened MDI ch...more >>

I have a WebService that has a method that returns a Typed DataSet. I create a UserControl that calls this method. When the UserControl runs by "UserControl TestContainer" and calls the WebService's method which returns a Typed DataSet the error "There is an error in XML document (1, 220)." ...more >>

Hi, I've written a small proof of concept application to show we can send emails in VB.NET and it works a treat using this piece of code: Dim myEmail As System.Web.Mail.MailMessage = New System.Web.Mail.MailMessage() myEmail.From = txtFrom.Text myEmail.To = txtTo.Text myEmail.Body = txtBo...more >>

Is there a way using the .NET framework to find out if the machine a service is running on is locked by the user?...more >>

Hello, I am trying to build a KIOSK application, where all windows forms are filled with graphics images and a lot of buttons. The major bproblem is that when the application is running and the forms are ready to display on the screen I see a lot of cuts... for example when I show a form...more >>

Hi, I am trying to write some code that will return the text from a datagrid cell when you click on it. So far I have the following code (which maybe completely the wrong way to go about this), which returns the row number, and the column number, but I am not sure how to get the contents o...more >>

Is there any slide show control for win-form? ...more >>

Hello, I am trying to format an email and have a .net application open up Outlook or Outlook Express so that the user can simply click Send and have the formatted email send from their email account. I am currently doing this the following way: Dim sParams As String Dim TheTo, TheSubje...more >>

i need to be able to adjust the opacity of a Windows Forms 'Panel' control. currently, this is available on Forms, but not on Panel controls. can someone please show me a trick to make this happen with panels or any other control that i can use without having to display another Window/Form? ...more >>

Clicking an mdi child form will not activate the form unless I click on the sizeable border or title/caption bar. Sometimes it works correctly and I can click anywhere on the underlying child form and it pops to the front. Other times, I can type in text boxes of the child for, drop down combo...more >>

I am building a user control that has a combo box (comboBoxMain) as a constutient control. The user control has an Items property, which will set the items of the combo box. I want the user control Items property to be browsable at design-time, so the user of the control can click the proper...more >>

Hi All, I am new to C# thread programming. I got one issue. I appreciate if anybody can point what i am doing wrong here. I have created one C#.NET application (VS.NET 2003 and 1.1 Framework). It contains two forms. (Form1 and Form2) Form1 contains only one button. On click of this bu...more >>

I have 2 list boxes on the form. Each listbox is bound to a different List<T>. My goal is for the user to select an item in ListBox1, click a button, and have that item moved to ListBox2. The way I approached this was to have a populated List<T1> bound to ListBox1. I set the DataSource, Dis...more >>

f I can declare a menu item as : Dim mnuItem As MenuItem then why cant I declare something of ContextMenuStripItem type. There is a collection of items for a contextmenustrip.!! I have a method : private void NewLoad(object sender, System.EventArgs e) { //I need to do s...more >>

Hello, I have a datagrid and I would that if I press an arrow key (up and down) the cursor don't move up and down on the datagrid. There is a solution for my problem? I have used keypress and keyup but don't capture the arrow keys. Only KeyDown capture ArrowUp and ArrowDown but e.Handler = Tru...more >>

I have directory say C:\d1. It has a file say f1. I have to move this file to a sub directory under c:\d1. i.e., I have to move f1 into C:\d1\d2. I use fileSystemInfo.move for this but I get an error as follows - {"The process cannot access the file because it is being used by another pro...more >>

Hi, I not beeing able to print a document created using PrintDocument. I can preview it, but when I try to print it, I receive an "Invalid Parameter" exception in a "DrawString" method execution. I tried changing the default printer and the printer settings but it didn't work. ...more >>

Hello I have derived a class from DataGridTextBoxColumn and am getting some behaviour which I do not understand and I would like to know where I am going wrong. The problem is like this. I have a datagrid, lets say with four columns. Two columns have my derived style and two have the defa...more >>

How can I read data rows from a datagridview and insert it into the database. ...more >>

Is it possible to integrate a VB6 MDI child form into a .NET application? How is it done? Thank you Karl-Heinz...more >>

I have deployed an application with ClickOnce Publish wizard to a web site. But when I click web page Install button the web server just returns the content of the .application file as XML to the browser on my own client. I made a quick try on two other clients and it seems that they are capable ...more >>

Hi I want to refresh the data in an open form from another form by calling a procedure. Is this possible? thanks Jonathan -- =============== Jonathan Crawford jc@tgsi.net =============== ...more >>

Hello, I would like to know if it possible to receive an event or intercept a message so I can access every form I create in my application. I want to add some functionality to my forms, but I want to do it in runtime. Is it possible to be notified every time a new form is created and befor...more >>

Hello: This must be quite simple! But I couldnt figure out whats wrong: I have this following code, and I still see a blank datagrid: Imports System.Data Imports System.Data.SqlClient Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventA...more >>

I would like to capture, in my form, any mouse clicks on controls contained in the form. I know I can do this using a mouse hook, but that has a few problems with catching clicks on dialogs the form owns that I have not been able to work out. I want to catch the click, so I can lock the...more >>

In the background I want to load some control after form loaded. I tried threading but it does not allow me to add control because current thread have not created the form. Also please tell me what BackGroundWorker control suppose to do. How do I do it. Please advise me. Thanks, Dan ...more >>

I have an application that has an MDI main page. I would like to open up multiple non-modal forms for some of the items within that MDI application. Essentially, I want to open SDI forms from and MDI main application. I have the forms open, but they don't open up on top and with focus. I n...more >>

I'm having a difficult time trying to track this issue down. Hopefully, someone might be able to share some insight. I have a situation where a form is not closed when I explicitly call Close() on it. As part of trying to debug this problem, I overrode the "OnClosing" method (and OnForm...more >>

Hello , Does any one know if the clipboard fires any events (oncopy, onpaste)? I would assume it does. If so, how would an application handle such an event? The clipboard class itself does not have one. I am looking to change the state of a button in my app when another app pastes some...more >>

Hi, I need to access all components of a winform (controls, and any other component which does not inherit from System.Windows.Forms.Control) both in design and run time. In design time I access the components and iterate through them using form's Component property, but in run time this...more >>

I have developed a custom Control inheriting from System.Windows.Forms.Control It has some children control. Something really weird happen when I resize it, its children control move! Even though I have specified Anchor = AnchorStyle.None & Dock = DockStyle.None (and I checked with the debugg...more >>

Hi, I am loosing my selected item when user click on a group in details modes. Causes error and I would always like 1 item to be selected. Any Ideas? ...more >>

Hi, I'm developing a usercontrol which has an event SelectedValueChanged. Below is the simple version of what i have: //------------------------------ class SelectedValueChangedArgs: EventArgs { object m_oValue; public SelectedValueChangedArgs(object oValue) { m_oValue = oValue; ...more >>

hi, i've posted this message at the start of last weekend, maybe that's why I didn't receive any answer (I know there are better things to do than sit in front of a computer a whole weekend) that's why I'll post again now. ---> when adding items to a MenuStrip VS 2005 defines them as objec...more >>

I am looking at ways to reduce the visible delay in a form I have with many controls. I have two methods that loop across and either enable or disable all but two of the controls. I am using SuspendLayout and ResumeLayout at the form level, but so far I don't see any real improvement becaus...more >>

Is there anyone who knows how to get a ribbon-toolbar (like the ones in Office 2007) in a VB.NET 2005 application? Is there some patent prohibiting people from using it? Any help would be appreciated. ...more >>

I can use System.Configuration classes: string dns = ConfigurationSettings["name"]; to access the appSettings configuration <configuration> <appSettings> <add key="name" value="val" /> </appSettings> </configuration> Isn't there a Class or Method to write values to the appSettings ...more >>

I am new to interop services as well as the Windows API in general. What is the proper way to obtain the ListItemValue and the ListItemText using the windows API? I would like to be able to read a combo's list values from a windows form application (ComboBox) and also from a combo on a web page...more >>

I would like to have a DataGridView that has a column in it that contains a combobox only on certain rows. I have searched the web and the only solution I have found is to create a custom DataGridView control. There must be an easier way to do this. Any suggestions? -- Mikeq...more >>

I need to change the color used by windows to paint the backcolor of all disabled controls in my application, because users, in certain conditions of light, can't read the text. I Think that I need to change something like SystemColors.GrayText, but it seems to be readonly... My application ...more >>

I have a barcode scanner which uses a "keyboard wedge" program so that the data it scans comes through as if it was typed on a keyboard. I am trying to have the data in the barcode be displayed in a text box. I know that there are certain control characters embedded in the data that I want t...more >>

How can Typed datasets be generated in Data layer?...more >>

I have a ComboBox bound to a dataset. I want to add an Item "<Select an Entry>" to the combo box. It is in addition to the items already added to the control through the Dataset (From DB). How it can be done? Thanks....more >>

All - I haven't come across this issue elsewhere, or in a search within this newsgroup. Perhaps someone here has come across it... In both 1.1 (SP1) and 2.0, when using MessageBox.Show in a simple Windows app (only shows the messagebox), and with the .EXE file sitting at a location where it...more >>

Hi all, I have a vs2005 winform that host the activex axWebBrowser control. I would like to monitor how long a user spends on a site viewed in the web browser control, In the web world this would usually be done on the web server by using some sort of caching or session objects. Is it poss...more >>

Hi, I'm writing an application that makes use of multiple panels (that contain specific components), but shows only one to the user at a time (which one depends on user interaction in a toolbar). Now, as all panels have the same size and the same position in the form, it's quite annoying t...more >>

Hi Every body, I am currently working in aproject where I am stuck in merging an ActiveX control (*.ocx) file into a managed Class Library (*.dll). I want to hide the ActiveX Control in this managed Dll, so that even when things are deployed I don't wanna see two files, but only 1 file wh...more >>