What's the best way to print an html document generated in a Windows forms application? IE (WebBrowser control) works pretty well; with some effort to use a print template, you can control margins, headers, footers, and get print preview. The 'gotcha' is that (as best I can tell), there's ...more >>

Using Visual Studio.Net 2005 Team Edition for Software Developers on a Windows XP machine. Microsoft Support article 304662, dated 1/10/2006 shows how to use the WebBrowser control to open word/excel documents inside a Form. http://support.microsoft.com/?id=304662 The basic code works -...more >>

I've spent half today trying to figure this out to no avail. I have a solution, using remoting, with 13 projects. The assemblies are using a strong name key and things were working fine until today when I tried to change the version number on some of the assemblies. I changed the intially ...more >>

Please clear my doubt and give some suggestion. I am new to software development, and want to implement a n-tier application. I have a very basic idea about n-tier architecture. [Example] I have created a Business Layer(dll) and put it on a network shared directory. From the presentation ...more >>

I'm trying to catch an event when the value of a DataGridViewComboBoxCell changes...without having to tab/click off the DataGridViewComboBoxCell. Thank you for any help you might be able to offer. ...more >>

I would like to make a list of all the ProductNames of the Assemblies used by my application, made in C#/C-Sharp. Can anyone tell me where I can find a list of the Assemblies, used by the appilcation. Regards Karsten Lundsgaard ...more >>

I have a single-selection ListView where I always want to keep an item selected by default. If the user clicks in the empty area below the items, I want to select the first item. It appears that when the user selects a new item, two SelectedIndexChanged events are fired: one with no Selecte...more >>

hi all, how do i get all rows of a datatable which contain ,either null values or just space characters ,in a column, say columnA. thanks in advance. FUnky ...more >>

I'm looking for a chart that shows the VB6 > .NET > SQL 2005 datatypes. E.g. VB6 .NET SQL2005 integer int16 smallint long int32 int byte byte tinyint But I want a whole chart with all datatypes. Anyone know of a URL with a cha...more >>

Hello everyone, I'm wondering if I could get some advice on the best way to build the user interface depicted in this diagram: http://www.senske.com/images/winforms_layout.jpg The gray areas will be static throughout. However, I'd like the blue area to change to a different interface d...more >>

I would like to have a couple inches on the far right of my form be hidden unless the user clicks the 'open arrow'. Kindof like on the web when there are + and - to view a section or hide it. I would like to do this same thing on my form. Are there any tools built into VS 2005 to accomplish...more >>

I have 2 controls on a Form, say Label 1 and Label 2 I click on Label 1 it registers as source control , and when I click on Label2, it will become the destination.. and I want to perform a Drag/Drop sort of effect at this time and indicate the moving text in this effect, from Label 1 to La...more >>

I have a form that I display using ShowDialog() with an OK button and a Cancel button, and I have set the buttons' DialogResult properties using the designer. When the user clicks on OK, I call a method to check the values they typed in some TextBoxes, and if they entered invalid data, I displa...more >>

Feel free to mock me.... I'm trying to figure out the Model View Controller pattern and thought I'd try building a "simple" example. I decided to go with a car. The model is the engine, the dashboard the view and the pedals and steering the controller. My Engine has a System.Timers.T...more >>

I have an application that I need to hide at startup in the system tray. I found this article on how to do it: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vbtsksettingformtobeinvisibleatitsinception.asp The problem with this method is that when I call the H...more >>

What code to put in button click in order to reset all values on form to values that appear when you run it for the first time? It is search form with many criteria. I need something like clear all! If it is not possible to reset it, is it possible to restart it? ...more >>

Hi, I am getting the following error message when i am trying to maximize the windows form which is displaying data in a datagird .... Your help is appreciated in advance... ************** Exception Text ************** System.Runtime.InteropServices.ExternalException: A generic error occ...more >>

I have a problem that occurs does NOT occur when my laptop is connected to the network at work. I inherit a form from a base form. When not connected to the network, if I try to design the inherrited from, the designer says: "The designer could not be shown for this file because none of the ...more >>

Hello I write a windows form in VB.Net and set the background (myForm.BackgroundImage = myImage) to a small Image. The problem with them is that myImage is copy severel times over the whole backround. But I want the Image joust ones in the uper left corner. Regards Andreas ...more >>

I'm having problems with the BackgroundImage property of a panel. When the panel becomes scrollable (because the contents are larger than the displayed size and the AutoSize property is true), scrolling the panel leaves the background image distorted: a residue is left where a new part of the ...more >>

Hi, When I am using the Collection Editor, the left hand side member always display the collection class name. 1. How to display specify property name?(e.g. Collection of TabPage in TabControl, it can show TabPage.Name value instead of "System.Windows.Form.TabPage") 2. How to do increame...more >>

From what I can tell, the FontFamily() collection does not receive notification when system fonts are changed while a .NET application is running. For example, you have your .NET app running. The user adds or removes a series of fonts using the Windows Control Panel. The FontFamily() collec...more >>

I want to open two forms, Form1 and Form2, from my MainForm in such a way that Form2 can then open Form3 with ShowDialog and NOT have Form3 block access to Form1 or the MainForm. Any ideas? ...more >>

Hi, Microsoft provide a wizard class under System.Web.UI.WebControls. Can I use it to implement the regular window's wizard(e.g device installation wizard)? Thanks Hank ...more >>

I was curious as to the curent best practices for data sharing within NET 2.0 Smart Clients. Typically I have have isolated data/datasets, webservices interaction, file IO, etc. using the Component class (IComponent), relying heavily on the sharing capabilities it provides. The entire appli...more >>

In a Windows Forms application I plan to have a collection of structs - each of which contains a bunch of properties describing a person (e.g., LastName, FirstName, EmployeeID, HomeAddress, ZipCode, etc). So each instance of the struct will describe a person - and about 900 instances (people) ...more >>

I am designing a table to contain a field to stores a value that must indicate none, one, or many choices. The form will have a group box with checkboxes (multi-choice) You see the records in this table contain partially pre-configured records. The records serve as "master" data that will late...more >>

Hello! I have found some code saying that the correct way to get application settings is to use the ConfigurationManager that is in namespace System.Configuration, but in my VS2005 enviroment this doesn't exists. What am I doing worng?!?!?! How should I do it? Regards Magnus ...more >>

Hi, I will appreciate any insights to set the right permissions to a Windows Forms Control that is embedded in an html document. The control will be downloaded by the html doc to the local system to do its job. It requires file system and registry access rights (read/write). One of the ...more >>

VS2005 C# I have something like this: public class MyControl : Panel { private SomeCollection myCollectionProp = new SomeCollection(); public SomeCollection MyCollectionProp { get { return this.myCollectionP...more >>

All of the BackgroundWorker examples I've seen so far are toy in the sense that the worker logic is embedded in the form. Normally business logic is decoupled from presentation. However, I can't see any direct way to implement the business logic without out a dependency on BackgroundWorker. ...more >>

Don't know if this can be done, but if I have a DataTable/DataView that has an integer column. Is there a way to do a "LIKE '123%'" kind of a filter on the column, which obviously works for text a text column. Thanks. ...more >>

I have couple of group boxes on my windows form. How can I tab on controls only inside a group which I have focus on. Somehow it tabs across all the group boxes on all the controls. I did use the visual studio tab order property to set tabindex for each control and group. ...more >>

I've seen plenty of examples where you can databind to a list of objects, but in this case I want to bind to a single instance and have no use for a list. Can anyone refer a good example of how to do this in .net 2.0? Thanks. -- moondaddy@nospam.nospam ...more >>

I've encountered a strange problem with GDI/GDI+ and windows forms/win32. To explain it shortly: I've a user control with a NC area. When painting the NC area I ask for a window DC using GetDCEx with parameters DCX_WINDOW | DCX_CACHE. I also use the wParam of the WM_NCPAINT message which conta...more >>

At run time I want to know if my form is "hidden" behind another window. The "Visible" property of the form returns true even when the form is NOT Visible! My application updates the form at intervals - I only want this to occur if the user can actually see the form. Anyone know how I...more >>

I have a MDI windows client written in C#. I try to control maximize and normal size of forms by using: this.WindowState = FormWindowState.Normal; If I have a maximized MDI child form and open another child form containing the line of code above both child forms end up in Normal state. It ...more >>

I'm having a problem when using multiple splitcontainers on a form and saving user settings for the SplitterDistance. Here's a description: I place one splitcontainer in my bare form, add a project setting called, e.g., splitDist1 which is an int user setting, and attach it to the SplitterD...more >>

I have a group of buttons which I want to bind thier enabled properties to properties of a custom object (all of which will be boolean value types). How do I do this? -- moondaddy@nospam.nospam ...more >>

Hi All, I have an WinForms 2.0 application that creates a user control, which contains a System.Windows.Forms.WebBrowser control. This works fine until I refactor the application to only create the user control upon an event being fired. Then, this line in the designer-generated Initia...more >>

Hi to all, In a .net 2.0 program, I'm trying to use the property grid. When the property grid displays an object, it successfully displays its properties. What I'd like to ask is: How can I make a property to have "sub-properties" on the propertygrid? Something like (Application Settings) t...more >>

I have a class that derives from a Windows forms datagrid and of instance of this class is hosted within a Windows forms user control. In the derived class, I have overridden the ProcessDialogKey method and the PreProcessMessage methods in hopes of trapping a press of the up and down arrow ...more >>

Hi, I have a very strange problem. I have an application that needs to get parameters on the command-line. Real easy you would think. You create a shortcut to the application and provide the parameters via the properties. Now here is the strange thing. When I run the application thro...more >>

Hi EveryBody when i execute the code: Dim rtftext As New RichTextBox rtftext.Font = New Font("Courier New", 11) Debug.WriteLine(rtftext.Font.Name & " " & rtftext.Font.Size) Debug.WriteLine(rtftext.SelectionFont.Name & " " & rtftext.SelectionFont.Size) The re...more >>

Hello all, I have a very basic windows form with a toolbar on it. The buttons on the toolbar display images from an imagelist (as they must). The images are all icon files. It is all set up at design time - no dynamic code. In design mode I see all the images on the buttons. But when I ru...more >>

I'm writing a windows app that's designed to run minimized (showing a tray icon only, not in the taskbar). Starting the app in normal mode (window Normalized) it takes about 17Mb of memory, then when I minimize it to the tray this shrinks to 2Mb. Starting the app window as minimized though...more >>

I’m trying to implement a Drag and Drop between two DataGridViews. Unfortunately all the examples I can find online use ListBoxes and a method called IndexFromPoint to determine the target location of the drop. Well, DataGridView doesn’t have this method and I have no idea how to determine...more >>

I have a winform that is shown as a dialog that unfortunately has to contain a very large amount of controls, nested controls, etc. The result is that there is a fairly noticeable draw sequence when the form is shown. When I was doing some of my own drawing with a custom control, I could ...more >>

I have a form that has several pairs of TextBoxes: one editable and one read-only. The text in the read-only TextBox should always show the same text as the editable TextBox, except it does not have to be the same while the user is actually typing something if that would add unnecessary complic...more >>

I cannot find the property to set that will disable row sorting when the user clicks the column header. Any suggestions? ...more >>