components

How to create a specific type of user control

I am trying to create a winForms user control. But I want would like a User control that - when placed on the form -- doesn't take any form space. Instead, it lodges itself nicely below like OpenFileDialog does. First, what kind of user-created thing is this? Is it still called a "user control"? If not, that may explain why all of my se...

Java date and calendar controls

Does anybody have any recommendations of good date pickers (either drop down calendars or small calendar components) for use in a Java Swing application - either beans or source code? They need to be robust enough for commercial applications. ...

passing values between custom components in Flex - mxml

hi, how can i pass values from my custom components back to the main.mxml? i need to do this to pass back ana array collection ...

How can a JComponent notified about the closed event of it's parent J(Internal)Frame?

I want to write a component that monitors other activities, but it's listeners are to be removed when the component's window is closed. I don't want to write this removal code many times, but want the component to handle it itself. (How) can i do it? Thanks! ...

What is Important to you in your choice of developer tools?

My company sells developer tools. As a developer myself, it is hard not to assume that what is important to me is important to many other developers: In our case, the thing we lack the most is time. So, I'm willing to spend money on things like Microsoft Team Foundation Server which integrates well with Visual Studio and handles variou...

'WebControls' for Ruby on Rails

I've recently started working with RoR for some projects and I quite like the framework - however coming from an ASP.NET background I'm quite fond of the idea of being able to purchase & drop in reusable components/control such as those from telerik, without having to 'reinvent'. I suppose it would be possible to maybe create my own usi...

How to change behaviour of TDBNavigator component?

Hi, I would like to change the behaviour of the insert button on the standard DBNavigator bar, from a dataset insert to append. I could trap the button click in the BeforeAction event, do the append, etc; and then in the OnClick event abort the original insert, but this seems a bit of a hack. Any better ideas? I'm using D6 (500,000 km...

Image editor component for use in WPF rich client application

Do you know of a simple .NET component which can be used in a WPF client application with these features: load images from file or clipboard into canvas, scaling and moving, define canvas background color, export canvas as new image. Thx in advance, Prensen ...

Deleting all components of a certain class on a form (Delphi)

This is probably a stupid question, but my brain is just cooked enough I think I'm going to use one of my "lifelines" to see if I can get some help from my stack overflow friends. ;) I need to delete all occurrences of a particular component type on my main form (some of them are inside panels or tabsheets, but all on and owned by the s...

.NET Datamatrix barcoding components?

Hey everyone, Can anyone recommend a .NET component that can create and read datamatrix barcodes? I will be using the barcode for a project that will be sending and receiving the barcode on a fax coversheet. I have found a few compents out there but was wondering if anyone has had good experiences or recommnedations. Thanks for the hel...

InitializeComponent in both constructors, or in one with constructor inheritance?

Is there any practical difference in terms of effects on the component model between: class MyComponent : Component { public MyComponent() { InitializeComponent(); } public MyComponent(IContainer container) { container.Add(this); InitializeComponent(); } } and: class MyComponent : Component { ...

Array Property, TList, TStringList, or TCollection, etc (Delphi Win32)

I am developing various components, and regularly run into the need to have a property that has a "one-to-many" relationship, component-to-property-member. The components are often visual components, but not always, and sometimes need to be registered with the IDE (i.e. use the Property Inspector), but not always. I find myself unsure ...

Syntax-highlighting textbox for Winforms, ASP.NET, WPF

Folks, I'm looking for a syntax-highlighting Textbox component, preferably free, with source, and capable of being used in Winforms, ASP.NET and WPF alike. Also, it should support not just display, but also editing contents. I've discovered the excellent, FREE ActiPro SyntaxHighlighter for ASP.NET - but that's unfortunately ONLY for AS...

Examples of Wizard controls

I'm creating a Wizard control (in Flex) and wanted to look at some examples of good Wizard controls in .NET, Java or other languages. I'm especially interested in situations where next/prev steps are determined by the input of the current step. For instance, choosing one of several options in the start screen will lead you to different ...

What OSGi Container Do You Recommend ?

For the purposes of building a service framework that works quietly behind the scenes in the JVM, logically separated from whatever the primary application running is, it seems like OSGi really lends itself to this purpose. Some of my challenges are class loader segregation, versioning, "plugability" and.... what's the term?.... updateab...

Can a ColdFusion cfc method determine its own name?

I am creating an API, and within each method I make a call to a logging method for auditing and troubleshooting. Something like: <cffunction name="isUsernameAvailable"> <cfset logAccess(request.userid,"isUsernameAvailable")> ...... </cffunction> I'd like to avoid manually repeating the method name. Is there a way to programa...

.Net Control to do Google Chrome Docking

I like the way that Google Chrome allows you to grab tabs out of a window to create additional windows. Does any one know if there is way to do this style of docking and undocking in my .Net application? Or better yet does any one know if there is a .Net component that can provide this type of functionality? ...

Which Delphi component contains the most events?

I was writing some code a few days ago based on Hallvard's Hack #10, and it made me wonder, how many events tend to get put on things? So far, the highest count I've found comes from an in-house custom descendant of a DevExpress grid at the company I work for, which has 83 published events in the Object Inspector. Anyone know a compone...

Difficulty removing all components from a Jpanel

G'day all, I am coding a main menu for a project. The menu displays properly. I have also set up ActionListeners for the three buttons on the menu. What I wish to do is reuse the JPanel for a new set of radio buttons when the user chooses "Start a New Game". However, coding ActionPerformed to remove the existing components from the...

BlockSchemes in JavaScript

I need visualizer of algorythmes created in JavaScript. Like BlockSchemes, mostly with If and Statement blocks. That could be moved, resized, connected with arrows. Anybody saw such open source projects? ...