NSObject.ObserveValue(NSString, NSObject, NSDictionary, IntPtr) Method
Definition
Important
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Indicates that the value at the specified keyPath relative to this object has changed.
[Foundation.Export("observeValueForKeyPath:ofObject:change:context:")]
public virtual void ObserveValue (Foundation.NSString keyPath, Foundation.NSObject ofObject, Foundation.NSDictionary change, IntPtr context);abstract member ObserveValue : Foundation.NSString * Foundation.NSObject * Foundation.NSDictionary * nativeint -> unit
override this.ObserveValue : Foundation.NSString * Foundation.NSObject * Foundation.NSDictionary * nativeint -> unitParameters
- keyPath
- NSString
Key-path to use to perform the value lookup. The keypath consists of a series of lowercase ASCII-strings with no spaces in them separated by dot characters.
- ofObject
- NSObject
- change
- NSDictionary
- context
-
IntPtr
nativeint
- Attributes
Remarks
This method is invoked if you have registered an observer using the AddObserver(NSObject, String, NSKeyValueObservingOptions, IntPtr) method