InternalNotifyPropertyChanging Method (ScheduleDataSource)

Called before an internal property change notification is handled, giving the data source an opportunity to suppress the notification.

Syntax

C#

protected internal virtual bool InternalNotifyPropertyChanging( 
   ActivityBase activity,
   string propertyName,
   object oldValue,
   object newValue
)

Parameters

activity

The ActivityBase instance

propertyName

The name of the property whose value is changing.

oldValue

The property value before the change is made.

newValue

The property value after the change is made.

Return Value

True to allow the notification, false to suppress it.

Requirements

Target Platforms: Android 4.4+, iOS 8+

Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+