Hi How do I check to see if last item in list/combobox has been selected? If I could count items in box it would help! Maybe snippet for both please? Thanks Graeme ...more >>

Hi I'm a new one on .NET development, I used VB6. In VB6, we can create component(COM) to expose some features to other applications. Is there a way to do same thing in .NET? Is the widows service or web service same as COM Thanks ...more >>

I need to implement some kind of panel where the user can put rectangles on it, move them around and resize them. Is there an API for that or do I have to code the whole stuff by myself? I don't know anything about drag&drop yet. -- cody [Freeware, Games and Humor] www.deutronium.de.vu |...more >>

I am loading a form in this method. I have an accessor that is called Loginstatus within the frmMainForm. When I Instantiate the frmMainForm I want to disable the File Menu if the Loginstatus is false. In VB6 I would do something like this frmMainForm auth = new frmMainForm() auth.Loginstatus =...more >>

My edit form has an UltraToolbarsManager control which contains a toolbar with a "Save" button on it. The data object that is bound to the form has an "IsSavable" property that returns a boolean indicating whether or not the object is savable. Is there a way to bind the IsSavable property to...more >>

Hi, Does anybody know how to change the name of the executable that a Windows Service project generates? I think it will be the same as with a Windows Application. Thanks, Marco Liedekerken ...more >>

I am trying to do rich-client code hosted in Internet Explorer, formally referred to as ActiveX. I have a couple of examples for embedding a .net winform on an asp.net page. However, I seem unable to make any of these examples to work. The control just does not render, and I don’t get any errors ...more >>

Hi, I'm trying to instantiate a class from a precompiled assembly .dll and cast it into a known Interface typ // Load the assembl Assembly externalAssembly = Assembly.LoadFrom("some.dll") // Create The typ ...more >>

I have two forms in a sample application, in my sub Main() i start the main one - Application.Run(form1) in the first form i have a button that opens up form 2: Dim f2 as new form2 f2.showdialog() now, this is where i hit the problem, i have code in a button that validates user entry, ...more >>

I have a bound datagrid and all works fine but on a numeric column but I found that when the formatting for the column is set to C or N and I click on a cell and replace the entire number it works fine, but if I change one of the digits to the right of the decimal point and then I click on anoth...more >>

Is there any way to specify how much time to pass before the mousehover event occurs? For instance I'd like 1 second to pass before a mousehover event occurs. How would I go about doing this? Lance ...more >>

Hi, I have a form with a lot of ComboBox (with a lot of items), and it is used very frequently. So, I want to reduce the latency to show the form. I test to assign the instance of the form after close in a static field, and show it again (with ShowDialog). This approach reduce the ti...more >>

Can anyone point me to an example of how to use an input mask in a column of a datagrid I want a mask like ##/##/#### for datetime input. Thanks...more >>

We have developed a Windows Forms MDI application that runs over Citrix ICA. We use Infragistics for various UI controls. Every once in a while when a user loads data into a grid they will get a big red X in the area usually consumed by the grid and a JIT error box with no real meaningful info...more >>

Hi, It seems vs.net does some automatic scaling in the ide. like if i take a project develloped under 96 dpi low res and load it under 120 dpi hi res it does all kinds of automatic resizing. this is undesirable, how do you turn it off? I have a function that scales forms on the fly (form param)....more >>

Hi I've got this code (see below) that lets me check rows in a datagrid. I want to delet the checked rows in the datagrid, not in the database. How can I delete the checked rows I've also tried using e.Item.ItemIndex, but it deletes the whole datagrid instead of the selected row using System u...more >>

Hi All, I am trying to write a note taking program such that each note is presented in it's own window form. The note forms are created dynamically. Let say all the note windows are covered by another application's windows. When I click on one of the note windows (partially covere...more >>

I have a vb .net program Public Class Testing Inherits System.Windows.Forms.Form <STAThread()> Shared Sub Main() System.Windows.Forms.Application.Run(New HelloWorld()) End Sub Public Sub New() MyBase.N...more >>