winforms

Windows Forms TableLayoutPanel 2 Rows use all space

I want a TableLayoutPanel with 2 Rows. The second row is 200px high. The first row the rest. If resize, only the first row resizes. How to implement? ...

c# Cannot get list of subdirectories

Hi everyone, I've seen this code (and similar) all over the web, but I just cannot get it to work. Whenever I debug it line by line, it breaks out of debugging and loads the application. No error messages are presented, and any code after the "faulty" line remains unprocessed. Here is the offending code: foreach (string folder in allF...

Database Connection in VB.NET Windows Forms

Dear All, I have a problem with connecting to a server which is another machine. When i try connecting my machine with the following code, it works fine: 'connString = "Data Source = .\sqlexpress;" & _ '"Initial Catalog = one;" & _ '"Integrated Security = SSPI" Try conn = New SqlConnection(connString) conn.Open() MessageBo...

Windows Form launched from WPF window showing no current system theme. Why?

Hi all. I have a WPF application that has a variable "x" which is an instance of a class from a custom C# assembly called "MyClasses.dll". This variable "x" has a method "LaunchForm" that launches a Windows Form "Form1" from another assembly "MyForms.dll". The form is launched as a dialog and shown in the screen but the current Windows X...

How to disable one row of DevExpress XtraGrid in C#

Hai all, I am using DevExpress XtraGrid in c#.NET application. I want to disable or set readonly property to particular row of XtraGrid . Please Help. ...

Valdiation From To date

Greetings i am developing windows form using vs2010 c# i have 2 datetime pickers 1 is fromDatePicker and the other is ToDatePicker i want to validate that the toDate is always after from date are the same day eg if From:30/8/2010...To:16/8/2010 an error message is showed to user thnx ...

Windows Forms Control for visualizing job steps

I am looking for a (free) windows forms control for visualizing jobs step / phases. Background: In my programm tasks with more job steps are processed. The user should see, what the actual step (of the current taks( is actually processed (at best animated)... ...

Is there a rich text editor control that does both spell AND grammar checking?

I'm looking for a winforms or wpf control that can do both spelling and grammar checking in english and also do red & green squiggly underlines, similar to MS Word. So far, all I've been able to find are spell-checker controls. I'd be open to good spell checking and grammar checking libraries as well - if you can recommend an integrati...

A connection between a PDDM and the agent was closed. [TaskManager.cpp:168].

I was trying to find a solution for issue,,that is one Service repeatadly going on restart which is making the issue.When i checked the event log i can see one waring before the restart occurs Warning is "The description for Event ID ( 1 ) in Source ( ZENworks Patch Management Agent ) cannot be found. The local computer may not have t...

Implement a "cancel" button on forms that use databinding and nhibernate

Hello all I use nhibernate to access a mysql database, and I have many -winforms- forms using databinding to modify properties of those objects. There are many –nhibernate- objects created/deleted also during the time those forms are used. I need to implement a "Cancel" button on those forms. I can defer the creation/deletion of objec...

Buttons Are Automatically Selected (how to turn this off?)

I have winform buttons that when you load the form, a certain button is selected. What I mean by selected, is that if "enter" is pressed, the button is pressed. How can I change my buttons so they don't do this anymore? ...

resize borderless form

I am able to resize the from using the code below but it resizes towards right side , from bottom right corner i want to modify the code so that user can re size the form from bottom left corner. also most of the solution given on this site are based on WndProc / WM_NCLBUTTONDOWN and i am not using it because my form have lots of cont...

AutoEllipsis at the beginning of a label

I have a label on my form which is used to display a path. Occasionally the path is too long to display, so I turned on AutoEllipsis, but it always seems to truncate the end of the string (which is the more relevant part in my particular case). Is there any way to get it to automatically truncate the beginning? Is there another control ...

Chemical symbol support on a textbox

I am developing an application that needs some kind of subscript and superscript support to display text that refers to chemical formula, if I do it in a textbox (winforms) and want for example show water formula, it would appear as H20 rather than H(subscript 2)O (sorry I coudn't find how to do it here). How could this be done? Thanks. ...

How to change the property of a control from a flowlayoutpanel?

How to change the property of a control in a flowlayoutpanel assuming that you add the controls programatically and assuming that the name of each controls are the same? For example this image shows you that there are 2 text boxes and two buttons, how would I change the back color of button 2? Assuming the controls has been added at run...

toolstripbutton with images for each state

hi all! I have in my app a ToolSrip with some ToolStripButtons. I wish add not only the basic image, but an image for the hover state and another for the clicked state, and if possible, remove the orange background when the button is hovered by the mouse... it's possible? thanks in advance! ...

How to prevent duplicate code generation when placing winforms event handlers in other partial files

In a winforms application I have a MyForm.cs that starts to get quite large. To solve this I have created a new file(MyForm.LeftPanel.cs) using partial class of the MyForm class with a subset of the GUI functionality. However once in a while, not always, when I go into the designer all event handlers that I have moved to MyForm.LeftPane...

C#product Application event log error

I have a product developed in c# winform winservice application ,when i installed product after some time i can see one service going Down and then Up that means restarting,this is making some issues with functionality.But when i checked the log files , ican see one warning just before service is restarting often The warning is like thi...

DataGridView sample binding issue

I need to add a variable pair list in a form (Name-Value). I decided to set it in a datagridview, and use simple binging to manage it (.NET 2): public class EventParameter { private string name; public string Name { get { return name; } set { name = value; } } private string value; public strin...

Color datagridview rows without freezing C#

Hello. I have a datagridview with 5000 entries. And I want to color the rows based on some values. Here's how I do it: foreach (DataGridViewRow row in rows) { var handlingStage = (ESourceHandlingStage)row.Cells["HandlingStage"].Value; switch (handlingStage) { case ESourceHandlingStage.NotStart...