UIScreen.CreateDisplayLink Method
Definition
Important
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Overloads
| CreateDisplayLink(Action) |
Registers a method to be invoked whenever the display screen needs to be updated. |
| CreateDisplayLink(NSObject, Selector) |
Old-style registeration of a method to be invoked whenever the display screen needs to be updated. |
CreateDisplayLink(Action)
Registers a method to be invoked whenever the display screen needs to be updated.
public CoreAnimation.CADisplayLink CreateDisplayLink (Action action);member this.CreateDisplayLink : Action -> CoreAnimation.CADisplayLinkParameters
- action
- Action
Delegate method to invoke when the screen needs to be updated.
Returns
The active display link that can be configured, read from and scheduled to deliver events.
Applies to
CreateDisplayLink(NSObject, Selector)
Old-style registeration of a method to be invoked whenever the display screen needs to be updated.
[Foundation.Export("displayLinkWithTarget:selector:")]
public virtual CoreAnimation.CADisplayLink CreateDisplayLink (Foundation.NSObject target, ObjCRuntime.Selector sel);abstract member CreateDisplayLink : Foundation.NSObject * ObjCRuntime.Selector -> CoreAnimation.CADisplayLink
override this.CreateDisplayLink : Foundation.NSObject * ObjCRuntime.Selector -> CoreAnimation.CADisplayLinkParameters
- target
- NSObject
Target object
- sel
- Selector
Selector method to invoke on the target object.
Returns
- Attributes
Remarks
You can configure the display link by setting the FrameInterval and Paused properties. Once you have done this, you need to add the display link to a run loop, which is the run loop that will be used to invoke the action method.
void Setup ()
{
var link = UIScreen.CreateDisplayLink (this, new Selector ("callback")]
// The default is 1, we want updates only once every 2 frames instead:
link.FrameInterval = 2;
link.AddToRunLoop (NSRunLoop.CurrentRunLoop, NSRunLoop.NSDefaultRunLoopMode);
}
[Export ("callback")]
void WillRefresh ()
{
This method is invoked
}