Triggers enable you to set or modify attributes of an element based on a specific action. Triggers can either act on single instances of an element or they can affect an entire class of elements.
A simple example of a trigger and its corresponding action is that of a button changing its background color based on a mouse hover or mouse click action.
The Style, ControlTemplate, and DataTemplate elements have a Triggers property that contains a set of triggers.
Triggers in WPF are of various types: property triggers, event triggers, data triggers, multi triggers, and multi data triggers.
Defining a property trigger is simple. You define a Trigger element, specify the property change that initiates ...