[C#/WPF] BindingExpression 클래스 : UpdateSource 메소드 사용하기 (Binding 객체의 UpdateSourceTrigger 속성을 UpdateSourceTrigger.Explicit로 설정시)

■ Binding 객체의 UpdateSourceTrigger 속성을 UpdateSourceTrigger.Explicit로 설정시 BindingExpression 클래스의 UpdateSource 메소드를 사용하는 방법을 보여준다.

▶ 예제 코드 (C#)


using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;

ScrollBar sourceScrollBar;
Label     targetLabel;

...

Binding binding = new Binding();

binding.Source              = sourceScrollBar;
binding.Path                = new PropertyPath(ScrollBar.ValueProperty);
binding.Mode                = BindingMode.OneWay;
binding.UpdateSourceTrigger = UpdateSourceTrigger.Explicit;

targetLabel.SetBinding(Label.ContentProperty, binding);

...

BindingExpression bindingExpression = targetLabel.GetBindingExpression(Label.ContentProperty);

bindingExpression.UpdateSource();

using System.Windows;

using System.Windows.Controls;

using System.Windows.Controls.Primitives;

using System.Windows.Data;

ScrollBar sourceScrollBar;

Label targetLabel;

...

Binding binding = new Binding();

binding.Source = sourceScrollBar;

binding.Path = new PropertyPath(ScrollBar.ValueProperty);

binding.Mode = BindingMode.OneWay;

binding.UpdateSourceTrigger = UpdateSourceTrigger.Explicit;

targetLabel.SetBinding(Label.ContentProperty, binding);

...

BindingExpression bindingExpression = targetLabel.GetBindingExpression(Label.ContentProperty);

bindingExpression.UpdateSource();