Archived Months
June 2003
July 2003
August 2003
September 2003
October 2003
November 2003
December 2003
January 2004
February 2004
March 2004
April 2004
May 2004
June 2004
July 2004
August 2004
September 2004
October 2004
November 2004
December 2004
January 2005
February 2005
March 2005
April 2005
May 2005
June 2005
July 2005
August 2005
September 2005
October 2005
November 2005
December 2005
January 2006
February 2006
March 2006
April 2006
May 2006
June 2006
July 2006
August 2006
September 2006
October 2006
November 2006
December 2006
January 2007
February 2007
March 2007
April 2007
May 2007
June 2007
July 2007
August 2007
September 2007
October 2007
November 2007
December 2007
January 2008
February 2008
March 2008
April 2008
May 2008
June 2008


all groups > dotnet windows forms > january 2008 > threads for january 15 - 21, 2008

Filter by week: 1 2 3 4 5

Enable one Active window at a time
Posted by arora.dipti@gmail.com at 1/21/2008 10:25:10 PM
Hi We are working on a Health Contact Center Application in which a patient is able to contact using either Chat Application or Phone Call with the Doctors. When the doctor is contacted using either of these means, a popup appears at the Doctor's End and he is able to communicate with the pati...more >>

How do I know over what element of ListBox is cursor?
Posted by Alexander Vasilevsky at 1/21/2008 9:02:09 PM
How do I know over what element of ListBox is cursor? http://www.alvas.net - Audio tools for C# and VB.Net developers ...more >>

Accelerators
Posted by Matthew Ireland at 1/21/2008 2:59:01 PM
How do you create Accelerator behavior for a Windows Form exe with a menu (i.e. <ALT> + O to call an Open File method). The property on the Menu Item doesn't seem to do anything except display some text indicating an accelerator is present. There is no way to connect the key sequence to a ...more >>

DownloadFileAsync via Command line
Posted by Bedwell at 1/21/2008 1:03:01 PM
Ok, I’m using the method DownloadFileAsync to download a large file and I also use the DownloadProgressChanged event to show users how far along they are in downloading the file. I put this into a WinForms application, make a call to the download file method (behind a button click event) an...more >>

Deployment and InstallerClass
Posted by Brian Kitt at 1/21/2008 11:23:03 AM
I don't know if this is the appropriate newsgroup, but not sure which one would be. I have a custom dialog that I added to the UI of the deployment package. That dialog asks for special installation options. #1. Depending on the users configuration, I may want to suppress that screen e...more >>

how to display resizeable rectange
Posted by Gregory Khra at 1/21/2008 10:45:04 AM
I need in my Windows Forms application to allow user to enter a rectangle and later resize it. In the other words, I need to display a rectangle that (if selected) shows control points that user can grab (with mouse) and drag to resize the rectangle. Can you recommend an appropriate control? ...more >>

SVN Class for .NET
Posted by martin.zugec@gmail.com at 1/21/2008 9:01:19 AM
HI guys, I think many of you are using subversion, however do you have some projects that directly involves subversion (e.g. checkout from your application)?? I was looking for some components, however I was not successfull and I would like to know if there is anyone that was fighting with ...more >>

DatagridView
Posted by Arne Garvander at 1/21/2008 6:37:04 AM
I have a dataset with one table, which I build from scratch (not using SQL server). It displays fine on the web with a datagrid. I use the same dataset and apply it to a DataGridView in a windowsform. My datagridview does not display at all. What am I doing wrong? HistoryGrid.A...more >>



Is tag property ByRef or ByVal?
Posted by martin.zugec@gmail.com at 1/20/2008 8:10:51 AM
I have project where I am assigning forms to Tag of different form (therefore creating some kind of relationship)... My problem is quite simple - when one of forms is disposed, tag still contains that object. So my question is quite simple - is Tag ByRef or ByVal??? Thanks, Martin...more >>

Show class in Toolbox
Posted by martin.zugec@gmail.com at 1/20/2008 6:52:27 AM
Heya, I am writing my own class, that is inheriting from Form and only adds few additional properties. However question is how to add this custom class to toolbox?? Thanks, Martin...more >>

User.config file creation
Posted by Robert Scheer at 1/20/2008 6:38:18 AM
Hi. I am playing with application and user settings for windows forms applications. I found this very helpful topic <http:// groups.google.com/group/microsoft.public.dotnet.framework.windowsforms/ browse_thread/thread/e9a8ba3295ca909b/e903f50e3bd04d68? lnk=st&q=user.config+group%3A*dotnet*#e9...more >>

Problems with MDI and docking...
Posted by martin.zugec@gmail.com at 1/20/2008 5:18:27 AM
Hi, I am writing application that should contain of multiple forms that should cooperate with each other. Design should be similar to Outlook style - one main navigation bar at left and rest. However I got problem - whenever any MDI child is maximized, it will appear behind main navigation ...more >>

copy paste reboots
Posted by Ramos at 1/19/2008 11:02:00 PM
Recently when I try to copy and paste or drag something on the desktop my computer reboots and comes up with a message that says it has recovered from a serious error. However if I am working in Word or Excel this feature works properly. The machine is XP Home Edition and I believe it has SP-2...more >>

Hooking IDataObject.GetData in .Net
Posted by Roßert_G._Schaffrath at 1/19/2008 10:23:45 AM
Sorry for the cross-posting. I am having a hard time trying to classify exactly what group this question would apply to. I had posted an earlier message to microsoft.public.dotnet.framework.windowsforms trying to find a way to access the lindex member of the FORMATETC structure for a CFS...more >>

Parsing XML file
Posted by Elmo Watson at 1/19/2008 10:22:16 AM
I've got a Winforms app and I'm trying to parse an ASP.Net web.config file (xml) I need to search each of the connectionstrings in the connectionstrings section, to see if the name is there already then, I need to write out the new node, if it's not there already I'm having trouble figuri...more >>

Multiple Combo Boxes - Same Binding Source
Posted by Joe at 1/18/2008 3:12:27 PM
Hi, I have a rather form where the user enters address information. It is entered in more than one place because it represents different addresses for the same customer - like shipping and billing. Both of these addresses contain a combo box so that the use can select the state. ...more >>

Drag Drop within TreeView Question...
Posted by Doug Holland at 1/18/2008 2:44:03 PM
I've found lots of examples of Drag and Drop between two TreeView controls and I currently have Drag and Drop working between a TreeView and a DataGridView control. What I need to do now though is to do Drag and Drop between two TreeNodes within the same TreeView control. Basically the same...more >>

Handling image list
Posted by martin.zugec@gmail.com at 1/18/2008 10:00:44 AM
Hi guys, how are you handling images in your applications?? Sometimes components wants images from Resources, sometimes imagelist... Also for image list you must specify image size, but I would like to use sometimes 16x16, sometimes 32x32 and use one source for all images... :( Waiting f...more >>

Tabcontrol
Posted by Arne Garvander at 1/18/2008 9:39:00 AM
I have a tabcontrol with optional tabpages. Depending on the data, I would like to hide or add tabpages. How can I do that? -- Arne Garvander Certified Geek Professional Data Dude...more >>

DataGridView, how to disable cell validation on closing form?
Posted by Backwater Geezer at 1/18/2008 6:22:33 AM
DataSource is an ArrayList. Some of the columns have Format = N2. The problem is that if I enter invalid data into an N2 formatted column I cannot close the form by clicking on the form's Close (X) button, FormClosing fires after cell validation. I don't want to do my own cell formatting no...more >>

unknown error [VS2005 C#, SQL 2005]
Posted by Chris at 1/18/2008 2:10:02 AM
I wrote a simple application in C# (VS 2005) that operates on SQL data. The problem is that I am getting sometimes errors like that: http://komputery.katalogi.pl/dziwny_b%C5%82%C4%85d_%5BC%23%2C_VS_2005%2C_ADO%5D-t123218.html whatr does it mean? How to avoid that?...more >>

Serialization of Controls
Posted by Luis F. Rodas at 1/17/2008 12:09:14 PM
Hi all, How can I save (and after loading) to binary files all properties configured in a Tab Control (including collections such as TabPages, ImageLists) and other .NET Controls (System.Windows.Forms.Control) ? Best Regards, Luis F. (Indusoft Team) ...more >>

parser problem with fields
Posted by martin.zugec@gmail.com at 1/17/2008 12:53:40 AM
Hello, when using parser (TextFieldParser), is there any way to specify "and rest"? Something like tokens=1,2,* (first, second, rest)? What I mean exactly: I have ini files with content that is not in my control. Delimiter is "=". It is working as expected - if there is TestParam=1 then...more >>

Invalid value for key AttachDBFileName - related to 16-bit calling code ?
Posted by Willy at 1/16/2008 11:20:48 PM
This thing is complicated so bare with me. We have a pure .NET application using an SQL express database which we deploy via ClickOnce. When we launch the application via the normal shorcuts (internet or program files) it *always* works. Now the beauty is that this application has to be l...more >>

"Replacing" an object in a List(Of Object)
Posted by BobRoyAce at 1/16/2008 10:45:32 PM
Let's say that I have two classes: Franchise and FranchiseOwner. Suppose that the Franchise class has a property, called FranchiseOwners, which is a List(Of FranchiseOwner). Now, suppose that I have a form, with a module-level object variable of type Franchise, called m_oFranchise. Let's say t...more >>

Overriding DialogResult of a button on a form
Posted by BobRoyAce at 1/16/2008 10:22:17 PM
I have a form that I show as a dialog (i.e. Form.ShowDialog). On this form I have two buttons: one with a DialogResult of OK, and the other with a DialogResult of Cancel. However, if the user clicks on the one with a DialogResult value of OK, and something's wrong with data they enetered on the ...more >>

Question about using DataBindings
Posted by BobRoyAce at 1/16/2008 7:57:07 PM
Let's say that I have a form on which a user can edit a Customer record. On the form I have a module level variable as follows: Private mo_CurrentCustomer As Customer where Customer is a class defined in the system. After the user makes all of their data entries on the form, I move the data ...more >>

Synced databinding between multiple grids
Posted by Jim at 1/16/2008 2:18:02 PM
Hi, I have an app that I wrote using business objects as datasource, but that I am considering rewriting using DataSets, etc. instead. I am looking for some guidance to make this decision. The app is for scheduling payments of invoices and has three grids (regular DataGridViews): A Ven...more >>

WebBrowser control and not updating contents
Posted by Jimski at 1/16/2008 11:37:46 AM
Hi, I am using a WebBrowser (.NET 2.0) control on my form and want to dynamically build the HTML for it. However, I am unable to get the Browser to show the HTML I am writing to the browser. I am using the following code in a button click event on the form. Why does the code below not ...more >>

Resources in C#
Posted by Greg at 1/16/2008 10:00:58 AM
Can someone help me using resources in C#/.NET 2005? I've found numerous examples on the internet. They all seem to refer to resources files ending in ".resource". why? When I add a new resource file, the filetypes are ".resx". Or some others want me to use resgen.. I'd rather stay out of the ...more >>

Windows Forms Strange Behavior
Posted by Doug Holland at 1/16/2008 9:39:01 AM
I have a Windows Forms application with an annoying bug in it that I cannot seem to track down. When an operation is performed by the user then in some cases the application ceases to be the active Window. This is still the case if I use the BackgroundWorker component to perform the operati...more >>

TaskBar height and location?
Posted by Terry Wahl at 1/16/2008 8:57:01 AM
I have developed a custom dialog that is popped up when the user hovers over a notify icon in the system tray. Is there a way to obtain the following: Taskbar Height Taskbar Location Thanks for your help in advance, Terry ...more >>

Passing an object back to a form
Posted by BobRoyAce at 1/16/2008 8:12:07 AM
I am developing an application in VS2005, using VB.NET. Suppose that I have a class, called Widget, which contains, among other things, a List(Of WidgetDetail), where WidgetDetail is another class. Now, let's say that I have a Widget form, called WidgetForm, and that it is used to enter Wid...more >>

Dynamicaly updating a .config file
Posted by Lilian at 1/16/2008 3:06:00 AM
Hi, VS2K8, .NET 2.0 In a standard SQL Server client application the connection string is stored in my .config file. I would like the user to be able to switch from one database to another without exiting the application. When updating the .config using ConfigurationManager class, and...more >>

TransactionScope using
Posted by Aleksey Timonin at 1/15/2008 7:15:01 PM
Hi guys, I tried to use TransactionScope on to defferent TableAdapters like this: using (TransactionScope transScope = new TransactionScope(TransactionScopeOption.Required)) { TableAdapter1.InsertQuery(id, name); TableAdapter2.InsertQuery(id, customerName, customerAddress); transScope.Co...more >>

How to add WebCam windows form that work all type of webcam
Posted by harshad at 1/15/2008 2:28:52 PM
I create one windows application that require webcam for photo capture on client machine that have D-link, creative, logitech web came. how to add minimum COM component use in without COM controls use I is Possible ? ...more >>

Merging Menus using class derived from MenuStrip
Posted by mfr at 1/15/2008 11:14:00 AM
I am having problems merging menus in an MDI application. The parent menu contains 'open' and 'close' under the 'file' menu. The child menu should append 'print' and 'preview' to the parent menu once the child form is activated. This does work correctly if a MenuStrip item is created in th...more >>

Resizing forms at runtime using Compact Framework 2.0
Posted by Mike at 1/15/2008 9:37:01 AM
Does anyone know how to resize a form at runtime using the compact framework 2.0? I have tried using form.Height to set the new size but the form does not change size (This apparently works on the full framework but not on the compact framework). Thanks....more >>

Can a Backgroundworker have or reference an eventhandler?
Posted by Rof at 1/15/2008 4:45:53 AM
I have an app which has to wait for messages (using port.DataReceived) and process them when they come in. As I expect the traffic to be heavy, I want to do this using a Backgroundworker. Can I add an eventhandler in "DoIt" and expect the delegate to which it points to be called in the backgroun...more >>


DevelopmentNow Blog