Shine Draw

This is a very simple rotator with flip effect. You may further customize it by modifying the scaleY and rotation as well.

Personally, I really like making image rotator since I always got many ideas on the transition effect. I hope I can implement as many as possible.

Comparison

Flash implementation: 50 minutes (Implemented First)
Silverlight implementation: 30 minutes
What’s the difference?

• Remove Children: removeChildAt [AS3] vs Children.RemoveAt[C#]

Source codes

•   Flip Rotator [Flash 9, AS3] (347.5 KiB, 2,974 hits)
•   Flip Rotator [Silverlight 2, C#] (398.3 KiB, 3,274 hits)

Silverlight

Remove Children: removeChildAt [AS3] vs Children.RemoveAt[C#]

In AS3, you have to be very carefully about null object, especially adding/removing object to the child. Otherwise, you may got into error troubles.

// AS3
// Create a triangle mask
var sprite:Sprite = new Sprite();
// ok
addChild(sprite);	

// also ok, the sprite will be added to the end of the display list
addChild(sprite); 

// will throw an error
addChild(null);	

// ok
removeChild(sprite);

// will throw an error
removeChild(sprite);	

// the best practise
if(sprite && contains(sprite){
	removeChild(spirte);
}

// remove all child
while(numChildren > 0){
	removeChildAt(0);
}

In C#, it will only throw exception for Add operation. On the other hand, the Remove function will only return a flag indicating whether the action is successful.

// C#
Rectangle rectangle = new Rectangle();

Children.Add(rectangle);

// throw an ArgumentNullException
Children.Add(rectangle);

// throw an ArgumentNullException
Children.Add(null);

// return true
Children.Remove(rectangle);

// return false
Children.Remove(null);

// remove all child
while(Children.Count > 0){
	Children.RemoveAt(0);
}

Shares and Enjoy~

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