Pro C# 2010 and the .NET 4 Platform, Fifth Edition

28.2. Controlling Content Layout Using Panels

A WPF application invariably contains a good number of UI elements (e.g., user input controls, graphical content, menu systems, and status bars) that need to be well organized within various windows. Once you place the UI elements, you need to make sure they behave as intended when the end user resizes the window or possibly a portion of the window (as in the case of a splitter window). To ensure your WPF controls retain their position within the hosting window, you can take advantage of a good number of panel types.

When you declare a control directly inside a window that doesn't use panels, the control is positioned dead-center in the container. Consider the following simple window declaration, ...