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Although these pages remain accessible, some content may not display correctly in future as the new blog evolves.
Sometimes you may wish to create an application that sits running in the background but doesn't actually display an initial user interface. However, the user can interact with the application and so therefore its not appropriate to be a service. Often such applications are accessible from a system tray icon. Another viable requirement might be for multiple top level windows, for example recent versions of Microsoft Word, where each document has its own application window.
By default however, a normal Windows Form application displays the start-up form which definitely isn't desirable, especially as hiding this form isn't as straightforward as you might expect. Fortunately however, the framework provides us with the
ApplicationContext class that can be used by
This article describes how to use application contexts to create an application that initially has only a system tray icon to which further functionality can be accessed.
Update 184.108.40.206 of the ImageBox control is now available, with a large number of new features and bug fixes.
Enums are useful language features. But what happens when you want to display a string version of an enum member rather than just casting the member to a string? You could manually create a switch statement for conversion, and periodically update such functions when extending the source enum. Or you could use the power of reflection and attributes to do it automatically.
This article describes extending a custom
TypeConverter created previously to support better code generation, expandable properties, and dropdown lists containing standard values.
Type converters allow classes to be edited via designers such as the
PropertyGrid. This article details how to create a simple type converter to and from a
string for use with a
The color picker controls library has been updated.
A quick overview of a new open source library for selecting colors in Windows Forms applications.
An article which describes how to use C# to split a rectangle into multiple smaller parts based on pairs of co-ordinates.
An article which describes how to create a custom ErrorProvider in C# that changes the background colour of fields with validation errors.
Update 220.127.116.11 of the ImageBox control is now available, with a variety of new features and bug fixes.