28.4. Understanding WPF Control Commands
Windows Presentation Foundation provides support for what might be considered control-agnostic events with control commands. A typical .NET event is defined within a specific base class and can only be used by that class or a derivative thereof. Therefore, normal .NET events are tightly coupled to the class in which they are defined.
In contrast, WPF control commands are event-like entities that are independent from a specific control and, in many cases, can be successfully applied to numerous (and seemingly unrelated) control types. By way of a few examples, WPF supports Copy, Paste, and Cut commands, which you can apply to a wide variety of UI elements (e.g., menu items, toolbar buttons, and custom ...
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