I have a checkbox who's checked value is bound to a binding source which is bound to a boolean data table column. When I click my save button to push my changes in my data table to my sql server the value in the data table is never changed. Designer code. this.cbxKeepWebInfinityChanges = new System.Windows.Forms.CheckBox(); this.prePro...
Although there are some similar questions I’m having difficulties finding an answer on how to receive data in my form from a class. I have been trying to read about instantiation and its actually one of the few things that does make sense to me :) but if I were to instantiate my form, would I not have two form objects? To simplify th...
Is there a way to convert a sequence of keystrokes represented by the Keys enum (i.e. System.Windows.Forms.Keys) in a Char. For example: Keys.Oem4 and then Keys.A yields the char á. It must exist somewhere in the WinAPI, because Windows does that for me, when I press keys inside a text-box... I just don't know where. Please help! thanks....
I've got a FlowLayoutPanel with properties: Dock = Fill (in a usercontrol) FlowDirection = TopDown WrapContents = false I do it this way so that each item added to the panel gets added to the bottom. The items that I add to this panel are usercontrols which themselves have FlowLayoutPanels on them, however they have the standard beh...
I have a simple forms program that I have been fighting with for a while now. I simply want to be able to call a method from a different class file (when a certain step is triggered in the code in that class file) in order to insert a string in the listBox. Here is my main method, pretty standard: class Program { [STAThread] s...
This is really annoying. I'm using the label as part of a list item user control, where the user can click it to select the list item and double-click it to rename it. However, if you had a name in the clipboard, double-clicking the label will replace it with the text of the label! I've also check the other labels in the application, an...
I have a gridview and, when a record is double-clicked, I want it to open up a new detail-view form for that particular record. As an example, I have created a Customer class: using System; using System.Data; using System.Configuration; using System.Collections.Generic; using System.ComponentModel; using System.Data.SqlClient; using Sy...
I need ability to display content in Hex View, like this from WinHex Offset 0 1 2 3 4 5 6 7 8 9 A B C D E F 00000000 EF BB BF 0D 0A 4D 69 63 72 6F 73 6F 66 74 20 56 ..Microsoft V 00000010 69 73 75 61 6C 20 53 74 75 64 69 6F 20 53 6F 6C isual Studio Sol 00000020 75 74 69 6F 6E 20 46 69 6C 65 2C 20 46 ...
In an assembly I created a class like the following: [DataObject(true)] public class A { public int Foo{get;set;} [DataObjectMethod[DataObjectMethodType.Select)] public static List<A> GetAllA(string ConnectionString) { // return filled List<A> } } Now I want to display this List with a Gridcontrol under Winforms. I though of...
I have developed a c# winforms application whereby the user is providing input via a midi connected device. The user will go for long periods without using the keyboard or mouse. When I receive a midi message is there anything I can do to "tell" the system that this counts as user activity (ie key press). I don't want the screen saver o...
i have removed left portion of a form using graphics path and region command. when i am trying to show group box on removed portion, group box not appeared. how do i show the groupbox on removed region area ?. or how do i reset the region GraphicsPath shape = new GraphicsPath(); shape.AddRectangle(new Rectangle(200, 0, FormWidth, Form...
For winforms applications I'm wondering what setup code should go in: MainForm() as opposed to MainForm_Load(object sender, EventArgs e) Are there any best practice guidelines here? ...
While developing a WinForms application, I came across what I believe is a bug in the OpenFileDialog and SaveFileDialog controls. A Google search turned up a single other person who noticed the same issue, but neither a solution nor a workaround was provided. You can view this thread at: http://bytes.com/topic/visual-basic-net/answers/38...
I am monitoring Notepad activities. I want the character that gets deleted when we press backspace or delete. In addition, I don't want to modify the existing clipboard contents. ...
Hi all, I have created some simple charts (of type FastLine) with MSChart and update them with live data, like below: . To do so, I bind an observable collection of a custom type to the chart like so: // set chart data source this._Chart.DataSource = value; //is of type ObservableCollection<SpectrumLevels>...
Hi, I have a requirement to create a simple windows forms application that allows an admin user to manage the Services on remote servers. We don't want to give the admins the usernames and passwords to the servers so these will be encrypted and stored in a database. My question is whether or not it is possible to spawn a Services.msc wi...
Hi everybody! In a winforms application i 'm storing one Wingdings char in a SQL Server 2005 field of type NVARCHAR(1). Storing, retrieving and showing up this char in a control works fine. The problem i'm facing is this: how to search for records which have a specific wingding char value: for example Select * from table where FieldW...
Here is a test framework to show what I am doing: create a new project add a tabbed control on tab 1 put a button on tab 2 put a check box paste this code for its code (use default names for controls) public partial class Form1 : Form { private List<bool> boolList = new List<bool>(); BindingSource bs = new BindingSource();...
What is the simplest way to implement a Modal(popup) MessageBox that allows a custom value to be entered and returned. In my case, a String. Maybe I am over thinking this but I figured I'd ask. I plan to just create a new Form. Add a label, a textbox, two buttons. Assign the textbox to a property and from my main form call a ShowDia...
Hi all, I apologize if this is a simple question (my Google-Fu may be bad today). Imagine this WinForms application, that has this type of design: Main application -> shows one dialog -> that 1st dialog can show another dialog. Both of the dialogs have OK/Cancel buttons (data entry). I'm trying to figure out some type of global excep...