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好日子， 我很難找到關於如何在Silverlight中創建這種酷泛效應的信息。誰能幫我嗎？ 這是一個Flash網站的鏈接，具有我需要的效果。 http://www.marcecko.com/#/Silverlight中的泛效應
A
回答
2
我真的很喜歡的效果也一樣，所以我重新它使用行爲：
public class PanBehavior : Behavior<ScrollViewer>
{
protected override void OnAttached()
{
this.AssociatedObject.MouseMove += new MouseEventHandler(AssociatedObject_MouseMove);
this.AssociatedObject.VerticalScrollBarVisibility = ScrollBarVisibility.Hidden;
this.AssociatedObject.HorizontalScrollBarVisibility = ScrollBarVisibility.Hidden;
}
void AssociatedObject_MouseMove(object sender, MouseEventArgs e)
{
var mousePos = e.GetPosition(this.AssociatedObject);
double panningY = this.AssociatedObject.ExtentHeight - this.AssociatedObject.ViewportHeight;
double panningX = this.AssociatedObject.ExtentWidth - this.AssociatedObject.ViewportWidth;
double relativeMouseY = mousePos.Y/this.AssociatedObject.ActualHeight;
double relativeMouseX = mousePos.X/this.AssociatedObject.ActualWidth;
panningY *= relativeMouseY;
panningX *= relativeMouseX;
this.AssociatedObject.ScrollToVerticalOffset(panningY);
this.AssociatedObject.ScrollToHorizontalOffset(panningX);
}
}
只需添加這種行爲任何的ScrollViewer，它只是工作。作爲一個例子，這個XAML：
<Grid>
<ScrollViewer>
<i:Interaction.Behaviors>
<local:PanBehavior />
</i:Interaction.Behaviors>
<UniformGrid Width="1000" Height="1000" Rows="10" Columns="10">
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
<Button Content="Hello" />
</UniformGrid>
</ScrollViewer>
</Grid>
請注意，我只在WPF測試這一點，但它應該工作幾乎在Silverlight相同。 - EDIT--用這兩種技術對它進行了測試。
+1對於很酷的問題！ :)
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感謝您的答案。所以泛類會進入另一個文件，或者我可以把它放在mainPage文件中。@ Elad Katz – user758024 2011-05-19 00:26:12
把它放在任何你想要的地方。 – 2011-05-19 00:27:51
最後一個問題。我有前綴「本地」的問題。如何在xml代碼中聲明它？@Elad Katz – user758024 2011-05-19 10:45:22