Hi all, Is it possible to call a mdicontainer's function from a child window? Basically I have an function in the main MDIContainer form which opens child forms, it accepts an enumerator to know which form to open, also it checks to see if the form is already open so that it doesn't open i...more >>

I have like 50 controls from data grid and textboxes bound to a dataset in windows form. Some one told me the extensive data binding will slow down the aplication. Does it really perform slower than manually set the textbox values by "ControName.Text=ValueString"?...more >>

Hi, I am deriving a windows control into a custom class. How can I "re-declare" the events to make them available for use in the new, derived class? I'm using C++ .net, will I will interpret any help I can get. Thanks. .. ...more >>

Using Visual C# .NET. I have successfully created my own Windows forms from scratch and been able to view and edit both the code and the designer (i.e. right click on the .cs file in the Solution Explorer pane and select View Code or View Designer.) I'm also modifying existing code, and have...more >>

I have a simple mailsys solution that works splendidly. I decided to add a listview with file association icons to replace a listbox that displays the full path only of an attachment. But when I add this (which I need to get the file association icons): Private Declare Ansi Function SHGetFi...more >>

This is what I would like to do: - The splitter window splitting the view to a tree view on the left and entry dialog on the right. The tree view and splitter are easy and it's already done. - It is easy to make a fixed form on the right pane, dock it and enjoy it working. However, I would ...more >>

Is there a way to make the parent node not display a checkbox but each child node have one? Thank you in advance, Pauly C ...more >>

Hi, I was wondering if there is a possibility to update the content of a RichTextBox control with a mixture of formatted text (for example bold or underline) containing in one action. I would like to speed things up and use a StringBuilder to store the text and its formatting instead of doing...more >>

I want to add a separator bar between sections of the right mouse menu. I want the bar to be horizontal to separate a vertical group of menu = items. I've tried the few methods and combinations thereof but can only create = a column separator bar which at the moment I do not want. ie. ...more >>

Hi, is there a property on the VScrollbar to activate this feature or is custom coding required? This feature exists on MS Word's vertical scrollbar and I would like to add this feature to my VB.NET Windows app (to the scrollbar on a DataGrid and a TreeView). Any suggestions? Thanks in a...more >>

I have a static ContextMenu already built and it works. =20 I am trying to add a submenu (right arrow with a new menuitem list) = dynamically when the popup is created. The new set of menuitems requires some DB queries to be done and then = the menuitems to be added to the Menuitems collecti...more >>

Hi, I have an array that I am binding to a datagrid, however I do not want all the columns to be visible (eg the ID). The way to do this, I believe, is to set up a DataGridTableStyle and DataGridColumnStyle, but how do I map my array to the DataGridTableStyle as my array does not have a ta...more >>

I want to be sure I understand the rules when casting classes and sub-classes. If I have a class Person and a sub-class Employee that inherits person, then This is not allowed. Why? dim person1 as new person dim emp1 as employee emp1 = person1 But this is. Why? dim person1 as person ...more >>

What event is raised when you click on the upper part of a form?(the one with the control box and title...) because it doesn't respond to MouseDown or Click events (they are only raised when I click on the rest of the form). Thank you! ...more >>

Hello, i'm searchin for an easy solution i'v got for e.g. an text that go after measurestring 4 lines This is my Text No i want to read the text of the lines like lines[0] or what ever - there is noc line break. an textbox or richtextbox ios easier no solution. hope someone could ...more >>

Whenever I try to show a message box with caption text that includes word "Error", the message box shows only briefly. It doesn't wait for user interaction and just returns DialogResult.No . //This doesn't work properly DialogResult res = MessageBox.Show("Some description.", "Some Error"); ...more >>