About code. Mostly on C++
The CTreeCtrl supports several ways to sort its content: InsertItem allows to insert the child item alphabetically, when specifying TVI_SORT for hInsertAfter SortChildren performs an alphabetical sorting of the child items of the given parent item in a tree SortChildrenCB performs a sort with a user-defined callback (hence the CB suffix) of the children of … Read more
With VC++ Feature Pack Microsoft has added new classes to MFC to provide support for new controls. However, these controls were not available from the designer. One had to manually wrote all the code for enabling an application to use these controls. Visual Studio 2010 Beta 2, released a couple of weeks ago, provides support … Read more
Sometimes you want to customize a file dialog, maybe to provide a preview for images or files in general. Fortunately, the common file dialog can be easily extended to achieve this. I will explain in this post how to do that. There are several things one needs to do to extend the file dialog. First … Read more
.NET allows you to expose components as COM and consume them from unmanaged code. There are many references on how to this (and you can only start with MSDN), and I will not talk about that part. What I want to explain here is something different. Suppose you have this interface: [Guid(“2F8433FE-4771-4037-B6B2-ED5F6585ED04”)] [InterfaceType(ComInterfaceType.InterfaceIsIDispatch)] public interface … Read more
The new MFC library from Visual Studo 2010 supports another Vista specific feature, the task dialog. This is meant as a replacement for the classic dialog box, and can display command links, customized buttons, customized icons, and a footer. Here is an example of such a dialog (from Windows Server 2008). MFC contains a new … Read more
One of the new features available in MFC in the Visual Studio 2010 CTP is the Restart Manager. This was introduced with Windows Vista to offer support for restarting application when a crash occurs or when an automatic update needs to close and then restart an application. When you create a new MFC project in … Read more
At the beginning of January, Microsoft released a beta version of MFC Feature Pack, an exstension to the MFC shipped with Visual Studio 2008. This feature pack allows developers to create applications with the look and feel of Office, Visual Studio and Internet Explorer. MFC application can now support: Office Ribbon Office 2003, XP and … Read more
Let’s asume you want to change the font of a window\control and for the sake of simplicity let’s consider an MFC dialog application. In that case, there are several steps you should follow: declare a CFont variable in the dialog class create the font in OnInitDialog (using CreateFont) set the font to the control (using … Read more
You probably noticed that IE7 or Windows Media Player 11 don’t have the menu shown by default; it only shows up when you press the ALT key. This is one particularity of the look and feel of Windows Vista Aero. You can find guidelines about designing menus here: menu guidelines menu design concepts As revealed by … Read more
Windows Vista redesigned the way the file dialogs look. MFC 9.0 (that will ship with Visual Studio 2008) was updated to support the new look and feel. If you compile your MFC application with VS 2008 you get the new file dialogs with no additional change. On the other hand if you run the application … Read more