NSObject.PerformSelector Method

Definition

Namespace:

Foundation

Assembly:

Xamarin.iOS.dll

Overloads

PerformSelector(Selector)
PerformSelector(Selector, NSObject)
PerformSelector(Selector, NSObject, NSObject)
PerformSelector(Selector, NSObject, Double)	Invokes the selector on the current instance and if the obj is not null, it passes this as its single parameter.
PerformSelector(Selector, NSObject, Double, NSString[])
PerformSelector(Selector, NSThread, NSObject, Boolean)
PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[])

PerformSelector(Selector)

[Foundation.Export("performSelector:")]
public virtual Foundation.NSObject PerformSelector (ObjCRuntime.Selector aSelector);

abstract member PerformSelector : ObjCRuntime.Selector -> Foundation.NSObject
override this.PerformSelector : ObjCRuntime.Selector -> Foundation.NSObject

Parameters

aSelector

Selector

Returns

NSObject

Implements

PerformSelector(Selector)

Attributes

ExportAttribute

PerformSelector(Selector, NSObject)

[Foundation.Export("performSelector:withObject:")]
public virtual Foundation.NSObject PerformSelector (ObjCRuntime.Selector aSelector, Foundation.NSObject anObject);

abstract member PerformSelector : ObjCRuntime.Selector * Foundation.NSObject -> Foundation.NSObject
override this.PerformSelector : ObjCRuntime.Selector * Foundation.NSObject -> Foundation.NSObject

Parameters

aSelector

Selector

anObject

NSObject

Returns

NSObject

Implements

PerformSelector(Selector, NSObject)

Attributes

ExportAttribute

PerformSelector(Selector, NSObject, NSObject)

[Foundation.Export("performSelector:withObject:withObject:")]
public virtual Foundation.NSObject PerformSelector (ObjCRuntime.Selector aSelector, Foundation.NSObject object1, Foundation.NSObject object2);

abstract member PerformSelector : ObjCRuntime.Selector * Foundation.NSObject * Foundation.NSObject -> Foundation.NSObject
override this.PerformSelector : ObjCRuntime.Selector * Foundation.NSObject * Foundation.NSObject -> Foundation.NSObject

Parameters

aSelector

Selector

object1

NSObject

object2

NSObject

Returns

NSObject

Implements

PerformSelector(Selector, NSObject, NSObject)

Attributes

ExportAttribute

PerformSelector(Selector, NSObject, Double)

Invokes the selector on the current instance and if the obj is not null, it passes this as its single parameter.

[Foundation.Export("performSelector:withObject:afterDelay:")]
public virtual void PerformSelector (ObjCRuntime.Selector selector, Foundation.NSObject withObject, double delay);

abstract member PerformSelector : ObjCRuntime.Selector * Foundation.NSObject * double -> unit
override this.PerformSelector : ObjCRuntime.Selector * Foundation.NSObject * double -> unit

Parameters

selector

Selector

withObject

NSObject

To be added.

This parameter can be null.

delay

Double

The delay in seconds before the method is invoked.

Attributes

ExportAttribute

Remarks

public override bool FinishedLaunching (UIApplication app, NSDictionary options)
{
	window = new UIWindow (UIScreen.MainScreen.Bounds);
	window.MakeKeyAndVisible ();
	// Invoke our method in 10 seconds
	PerformSelector (new MonoTouch.ObjCRuntime.Selector ("demo:"), new NSString ("hello world"), 10);
	return true;
}
// This registers the method "RunDemo" as responding to the selector "demo:"
[Export ("demo:")]
void RunDemo (NSString arg)
{
	Console.WriteLine ("This is the parameter I got {0}", arg);
}

PerformSelector(Selector, NSObject, Double, NSString[])

[Foundation.Export("performSelector:withObject:afterDelay:inModes:")]
public virtual void PerformSelector (ObjCRuntime.Selector selector, Foundation.NSObject withObject, double afterDelay, Foundation.NSString[] nsRunLoopModes);

abstract member PerformSelector : ObjCRuntime.Selector * Foundation.NSObject * double * Foundation.NSString[] -> unit
override this.PerformSelector : ObjCRuntime.Selector * Foundation.NSObject * double * Foundation.NSString[] -> unit

Parameters

selector

Selector

withObject

NSObject

To be added.

This parameter can be null.

afterDelay

Double

nsRunLoopModes

NSString[]

Attributes

ExportAttribute

PerformSelector(Selector, NSThread, NSObject, Boolean)

[Foundation.Export("performSelector:onThread:withObject:waitUntilDone:")]
public virtual void PerformSelector (ObjCRuntime.Selector selector, Foundation.NSThread onThread, Foundation.NSObject withObject, bool waitUntilDone);

abstract member PerformSelector : ObjCRuntime.Selector * Foundation.NSThread * Foundation.NSObject * bool -> unit
override this.PerformSelector : ObjCRuntime.Selector * Foundation.NSThread * Foundation.NSObject * bool -> unit

Parameters

selector

Selector

onThread

NSThread

withObject

NSObject

To be added.

This parameter can be null.

waitUntilDone

Boolean

Attributes

ExportAttribute

PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[])

[Foundation.Export("performSelector:onThread:withObject:waitUntilDone:modes:")]
public virtual void PerformSelector (ObjCRuntime.Selector selector, Foundation.NSThread onThread, Foundation.NSObject withObject, bool waitUntilDone, Foundation.NSString[] nsRunLoopModes);

abstract member PerformSelector : ObjCRuntime.Selector * Foundation.NSThread * Foundation.NSObject * bool * Foundation.NSString[] -> unit
override this.PerformSelector : ObjCRuntime.Selector * Foundation.NSThread * Foundation.NSObject * bool * Foundation.NSString[] -> unit

Parameters

selector

Selector

onThread

NSThread

withObject

NSObject

To be added.

This parameter can be null.

waitUntilDone

Boolean

nsRunLoopModes

NSString[]

Attributes

ExportAttribute