ComponentChangedEventArgs Constructor

Initializes a new instance of the ComponentChangedEventArgs class.

Namespace:  System.ComponentModel.Design
Assembly:  System (in System.dll)

public ComponentChangedEventArgs(
	Object component,
	MemberDescriptor member,
	Object oldValue,
	Object newValue


Type: System.Object

The component that was changed.

Type: System.ComponentModel.MemberDescriptor

A MemberDescriptor that represents the member that was changed.

Type: System.Object

The old value of the changed member.

Type: System.Object

The new value of the changed member.

The designer for a component calls this constructor after it has changed a property of the component. This ensures that the Properties window will display the property's updated value.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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