TextCompositionEventArgs 类

定义

包含与 TextComposition 的更改关联的参数。Contains arguments associated with changes to a TextComposition.

public ref class TextCompositionEventArgs : System::Windows::Input::InputEventArgs
public class TextCompositionEventArgs : System.Windows.Input.InputEventArgs
type TextCompositionEventArgs = class
    inherit InputEventArgs
Public Class TextCompositionEventArgs
Inherits InputEventArgs
继承
TextCompositionEventArgs

注解

此委托支持的附加事件包括由 TextCompositionManager 类提供,并包括 TextInput (PreviewTextInput) 、 TextInputStart (PreviewTextInputStart) 和 TextInputUpdate () PreviewTextInputUpdateAttached events supported by this delegate include are provided by the TextCompositionManager class, and include TextInput (PreviewTextInput), TextInputStart (PreviewTextInputStart), and TextInputUpdate (PreviewTextInputUpdate).

构造函数

TextCompositionEventArgs(InputDevice, TextComposition)

初始化 TextCompositionEventArgs 类的一个新实例,将指定的 InputDeviceTextComposition 作为类的初始值。Initializes a new instance of the TextCompositionEventArgs class, taking a specified InputDevice and TextComposition as initial values for the class.

属性

ControlText

获取与 TextComposition 事件关联的控件文本。Gets control text associated with a TextComposition event.

Device

获取启动此事件的输入设备。Gets the input device that initiated this event.

(继承自 InputEventArgs)
Handled

获取或设置一个值,该值指示针对路由事件(在其经过路由时)的事件处理的当前状态。Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route.

(继承自 RoutedEventArgs)
OriginalSource

在父类进行任何可能的 Source 调整之前,获取由纯命中测试确定的原始报告源。Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class.

(继承自 RoutedEventArgs)
RoutedEvent

获取或设置与此 RoutedEventArgs 实例关联的 RoutedEventGets or sets the RoutedEvent associated with this RoutedEventArgs instance.

(继承自 RoutedEventArgs)
Source

获取或设置对引发事件的对象的引用。Gets or sets a reference to the object that raised the event.

(继承自 RoutedEventArgs)
SystemText

获取与 TextComposition 事件关联的系统文本。Gets system text associated with a TextComposition event.

Text

获取与 TextComposition 事件关联的输入文本。Gets input text associated with a TextComposition event.

TextComposition

获取与 TextComposition 事件关联的 TextCompositionGets the TextComposition associated with a TextComposition event.

Timestamp

获取此事件发生时的时间。Gets the time when this event occurred.

(继承自 InputEventArgs)

方法

Equals(Object)

确定指定对象是否等于当前对象。Determines whether the specified object is equal to the current object.

(继承自 Object)
GetHashCode()

作为默认哈希函数。Serves as the default hash function.

(继承自 Object)
GetType()

获取当前实例的 TypeGets the Type of the current instance.

(继承自 Object)
InvokeEventHandler(Delegate, Object)

以特定于类型的方式调用事件处理程序,这样做可以提高事件系统效率。Invokes event handlers in a type-specific way, which can increase event system efficiency.

MemberwiseClone()

创建当前 Object 的浅表副本。Creates a shallow copy of the current Object.

(继承自 Object)
OnSetSource(Object)

在派生类中重写时,每当实例的 Source 属性的值发生更改,则提供一个通知回调入口点。When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes.

(继承自 RoutedEventArgs)
ToString()

返回表示当前对象的字符串。Returns a string that represents the current object.

(继承自 Object)

适用于

另请参阅