Winforms Questions

I've gone through just about every property i can think of, but haven't found a simple way to hide the header on a winform ultracombo control from

How can i get the number of items listed in a combobox?

I would like to have an image like this one on my form.

Is there any way to set the same icon to all my forms without having to change one by one? something like when you setup

What needs to be done to have your .net application show up in window's system tray as icon? and how do you handle mousebutton clicks on

First question here. i'm developing a program in c# (.net 3.5) that displays files in a listview. i'd like to have the "large icon" view display

How can i hide the title bar from a windows form but still have a resizing frame?

This question is for c# 2.0 winform. for the moment i use checkboxes to select like this : monday[x], thuesday[x]¸... etc. it

I'd like to make status icons for a c# winforms treelist control. the statuses are combinations of other statuses (eg. a user node might be

For example, i have a record of quizzes. i want to display all of the quizzes along with the student who took it. if the total number of quizzes

So i have a listview with an upper limit of about 1000 items. i need to be able to filter these items using a textbox's textchanged event. i

I'm using a winforms webbrowser control to display some content in a windows forms app. i'm using the documenttext property to write the

I have a winforms application. i have a user control with a lot of icons. the user can load this control on a form many times (in a tabbed

In c# winforms, what's the proper way to get the backward/forward history stacks for the system.windows.forms.webbrowser?

How can i get a list of all of the printer drivers and fax drivers from the os?

My company has developed a long standing product using mfc in visual c++ as the defacto standard for ui development. our codebase contains alot of

I'm building a small winform in which i can view types of food in my kitchen. my entire stock can be displayed by a datagrid view.

This is a bit of a strange one, but i've been struggling for a few hours now and i can't understand what is happening. i was wondering if

I am binding the dropdown with db entity. ddlcustomer.datasource = customer.getall(); ddlcustomer.datatextfield = "customername";

I am build application who play wireshark files and send the packets to the network card using pcapdot.net. in my application i get

How do i find if the file myfile.03 is in the folder mytmpfolder using c# and winforms?

When a c# winforms textbox receives focus, i want it to behave like your browser's address bar. to see what i mean, click in your web

How do you stop the designer from auto generating code that sets the value for public properties on a user control?

We are evaluating options for a gantt chart control (on windows forms) as opposed developing one on our own. what are the various gantt chart

Is it possible to enable a second monitor programatically and extend the windows desktop onto it in c#? it needs to do the equivalent of turning

The problem here is the middle of the line (html). the chain: i have winform program that uses awesomium (alternative to native

I'm reading a file.txt using streamreader and writing using streamwriter. i'd like to know if it's

I have a line like this: 114765 * 3 * 659300 * 01 * 17/01/2013 * * 1 * chuck norris * chuck norris jr* owner * 1 * 28/04/1983 *

Hi all, i wish save in a file.txt the chronology of the song played by my music player . i tried this code snippet but doesn't work :

Sorry for my english. this is the first time i write a question in this language. i will be glad if you correct my grammatical errors. i

I´m trying to save a camera picture to a folder. when i save it, i become the following message: "system.notsupportedexception:

What is the best source of free vista style graphics for application development? i want 32x32 and 16x16 that i

I created an interop user control in vs2005. when the user control is shown inside vb6, it does not pickup/use the xp styles (the buttons and the

We have an msi installer for a .net winforms app for windows xp that installs and runs only as an admin. users have to log in to the app when it

Is there a way to fill datagrid datasource with the existing columns?. im trying to set a datasource on my datagridview everytime i set my

I have an app that i've written in c#/winforms (my little app).

the godiagram object model has a godocument. goviews have a reference to a godocument. if the user does any modification

I am trying to retreieve listview subitem .text property. my listview has two columns: id and name. i want to access name for

Is there anything like elmah for windows forms? i'm looking for a

Has anyone been able to successfully unit test methods that are, by necessity, coupled to the system.windows.forms.form class? i've

I want to create an event in c# but i'm getting this error: an unhandled exception of type 'system.nullreferenceexception'

I am removing a row from datagridview in winfrom. i want to move to the last empty row using code. for removing i am using this line

I'm new to c# so sorry for this question... i have following code: using system.collections.generic; using system.componentmodel;

I'm creating a windows forms application in visualstudio an c#. i have a xml file like this: <?xml

I am working from my previous thread

I don't know what i am doing wrong here. i am trying to call class1.cs in main class, sql command parameter, but i getting the error. i am working

I have this problem, i've set a value to a property from shall we say form1, then get that value in form2 but it return null. sample

I was trying to remove conjunctions and punctuations from a txt file. punctuations are removed successfully but some conjunctions remained. here

Iam currently working on a book management project and i'm using sql server from visual studio. i have a book category table in the database and

I tried the following function to upload an image to firebase storage private async void uploadfiles() { var stream

I want to execute a function in html through c# but i get an error. since there is a map inside the webbrowser, i can't leave out the

I made a simple design for my winforms app in photoshop and i want to make some borderless buttons. in flatappearance properties, i changed border

I have he following form: an initialize function that is called when the form1 is created. a button that opens another form

I am creating a small modal form that is used in winforms application. it is basically a progress bar of sorts. but i would like the user to be

I'd love to know if there is such a thing as a gecko.net ;) i mean, just like we can embed a webview and that is an "instance" of ie7 inside any

What is the best way to disable alt + f4 in a c# win form to prevent the user from closing the form? i am using a

I have a .net 2.0 windows forms app, which makes heavy use of the listview control. i've subclassed the listview

If i have .net form with a component/object such as a textbox that i need to access from a parent or other form i obviously need to "upgrade" the

Private void picturebox1_doubleclick(object sender, eventargs e) { form editorform = new form();

I am beginner and i wanna ask how to make this code more simple and shorter thanks for all replies public static bool

I created a winforms app and a database with 2 tables in visual studio: member - holds details like first name

I have 2 forms - mainmenu form , that clicks to a registration from. on the registration form, i have a button. i want the form to

I would like to add my own class to toolstripmenuitem object in windows forms. according to this question:

What i am trying to accomplish is to create buttons that launch exe files in a certain directory when clicked, but when i try using a foreach loop

After calling the table from the database into the datagridview and entering data into the empty cells of this datagridview, i want to save this

I'm a c# developer working with either windows forms or wpf. sometimes i have to deal with unmanaged code, which i don't like. i think that the

I'm making a graph with over 400 nodes and trying to draw them. the nodes are representation of cities so i took their longitude and latitude and

I need to display a variable-length message and allow the text to be selectable. i have made the textbox readonly which does not allow the text to

I have a datagridview with a datagridviewcomboboxcolumn column with 3 values: "small", "medium", "large" i get back the users

How can i set the background color of a specific item in a system.windows.forms.listbox? i would like to be able to set multiple

I'm making an example for someone who hasn't yet realized that controls like listbox don't have to contain strings; he had been

In the visual studio designer, how do you move a menu item from one menu to another? i would assume drag and drop would work, but it seems

I have this code: bool validinput = !string.isnullorwhitespace(reg_name_tbx.text) &&

I have a tabcontrol within a tabcontrol. i want the outer tabcontrol to show its tabs on the left. however, with visual styles enabled,

Is there any way to tile all of the form children of an mdi parent easily? i'm looking for most of the functionality that windows offers, tile

I wrote a web application which connects to the salesforce api using the oauth 2.0 web server flow, and that all works fine. but now there

Everyone, i have a problem with handling an async task. i have a timer and separately in a async task, i wanted to run a state

Problem i was trying to create a custom control which contains nothing but a label. however, i wanted the label's text to be changed to

I'm working on a windows forms application (c#) where a user is entering data in a form. at any point while editing the data in the form the user

The 'click sound' in question is actually a system wide preference, so i only want it to be disabled when my application has focus and then

This was an interview question. given visual studio 2008 and an icon saved as a .png file, they required the image as an embedded resource and to

Hi i am trying to make a c# forms application to read and show a rss feed that update (e.g. every 5 mins) my current code to read the rss feed as

I need to update a listbox of a form2 created dynamically. let's say that in the event where i have to update this listbox (in form1 of course) i

I am making a sudoku game on c# .net desktop. the sudokupanel consists of 81 labels. i define their number on the board with a

(i asked this question

To keep things simple - i am developing a course project for my college assignment. i created an application in winforms and c#.

I'm trying to enable checkbox based on comboxbox selection. i am aware that with simple if condtion can solve my problem but when i change it to

I'm trying to the the flv flash player from here in a

I've been trying to figure out how use my c# dll with c# windows forms app and what i want to achieve is that inside my dll i'll create a if()

How to extract latitude and longitude from google maps url using c# winform application programmatically?

I don't understand much about async, but i get no errors when running this, and still i don't get an image in c:\temp\test.jpg - what

I know its a silly question but, still i wanted to know it. i have two textboxes, textbox1 and textbox2. i entered some text in textbox1. now i

I'm doing a authorization check from a winforms application with the help of the azman authorization provider from enterprise library and am

I'm sure there is a good (or at least decent) reason for this. what is it?

I'm starting with c# as my second language and i'm doing a windows form app (.net framework) with ms sql server db. i tried to erase an

I'm facing an odd problem regarding image size. i've made a simple application which stores and retrieves images in a database. when i'm

Void fill_cbcategoria() { try { con.open(); string query = "select * from categoria";

I have a usercontrol which has several contextmenustrips add via vs designer. they are not assigned at design time to any controls, because they

I changed the backcolor property of my contextmenustrip to something other than white, but the area on the left where the icons go is still white.

I am trying to learn how to deploy an application and i am now testing it with this app. everything works fine (yay!) except in task manager it