Contributing

What is event trigger in WPF?

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What is event trigger in WPF?

An event trigger performs some actions when a specific event is fired. It is usually used to accomplish some animation on control such DoubleAnumatio, ColorAnimation, etc. In the following example, we will create a simple button. When the click event is fired, it will expand the button width and height.

What is event trigger in C#?

Introduction. Events in C# are simple things on the face of it. You create an event signature using a delegate type and mark it with the event keyword. When specific things occur within your class, you can easily trigger the event, notifying all external listeners.

What is trigger and how many types of triggers in WPF?

Basically, there are 3 types of triggers, they are: Property Trigger. Data Trigger. Event Trigger.

What is style trigger in WPF?

The WPF styling and templating model enables you to specify triggers within your Style. Essentially, triggers are objects that enable you to apply changes when certain conditions (such as when a certain property value becomes true , or when an event occurs) are satisfied.

What is a triggering event?

What Is a Triggering Event? A triggering event is a tangible or intangible barrier or occurrence which, once breached or met, causes another event to occur. Triggering events include job loss, retirement, or death, and are typical for many types of contracts.

Which triggers are available in WPF?

There are five types of triggers supported by WPF; they are:

  • Property Trigger.
  • Data Trigger.
  • MultiTrigger.
  • MultiDataTrigger.
  • Event Trigger.

Why are events useful in C#?

Events are typically used to signal user actions such as button clicks or menu selections in graphical user interfaces. When an event has multiple subscribers, the event handlers are invoked synchronously when an event is raised. To invoke events asynchronously, see Calling Synchronous Methods Asynchronously.

What is data trigger?

A DataTrigger allows you to set property values when the property value of the data object matches a specified Value. The Setters property of a DataTrigger object can only consist of Setter objects. Adding a Setter child to a DataTrigger object implicitly adds it to the SetterBaseCollection for the DataTrigger object.

What is WPF Multibinding?

Multibinding takes multiple values and combines them into another value. There are two ways to do multibinding, either using StringFormat or by a converter. The StringFormat is simple compared to a converter, so we will start with that first.

What is an example of a trigger event?

A triggering event is a tangible or intangible barrier or occurrence which, once breached or met, causes another event to occur. Triggering events include job loss, retirement, or death, and are typical for many types of contracts.

What are different trigger events?

A triggering event can be one or more of the following:

  • An INSERT , UPDATE , or DELETE statement on a specific table (or view, in some cases)
  • A CREATE , ALTER , or DROP statement on any schema object.
  • A database startup or instance shutdown.
  • A specific error message or any error message.
  • A user logon or logoff.

What are data triggers?

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