The main class, ZoomAndPanControl, is derived from the WPF ContentControl class. This means that the primary purpose of the control is to display content. In XAML, content controls are wrapped around other UI elements. For example, the content might be an image, a map or a chart. In this article, I use a Canvas as the content. This Canvas contains some colored rectangles that can be dragged about by the user.
This article examines the use and implementation of a reusable WPF custom control that is used to zoom and pan its content. The article and the sample code show how to use the control from XAML and from C# code.
The main class, ZoomAndPanControl, is derived from the WPF ContentControl class. This means that the primary purpose of the control is to display content. In XAML, content controls are wrapped around other UI elements. For example, the content might be an image, a map or a chart. In this article, I use a Canvas as the content. This Canvas contains some colored rectangles that can be dragged about by the user.
The main class, ZoomAndPanControl, is derived from the WPF ContentControl class. This means that the primary purpose of the control is to display content. In XAML, content controls are wrapped around other UI elements. For example, the content might be an image, a map or a chart. In this article, I use a Canvas as the content. This Canvas contains some colored rectangles that can be dragged about by the user.
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