How to change the direction of wpf marquee dynamically?
- by ashish semwal
Hi all,
I want to change the direction of my marquee on changeDirection button click.
My code for changing direction is :
private void changeDirection_click(object sender, RoutedEventArgs e)
{
if (_marqueeType == MarqueeType.RightToLeft)
{
_marqueeType = MarqueeType.LeftToRight;
StartMarqueeing(_marqueeType);
}
else if (_marqueeType == MarqueeType.LeftToRight)
{
_marqueeType = MarqueeType.RightToLeft;
StartMarqueeing(_marqueeType);
}
}
And code for start marquee is :
public void StartMarqueeing(MarqueeType marqueeType)
{
double height = canMain.ActualHeight - marqueeList.ActualHeight;
marqueeList.Margin = new Thickness(0, 0, 0, 0);
doubleAnimation.From = -marqueeList.ActualWidth;
doubleAnimation.To = canMain.ActualWidth;
doubleAnimation.RepeatBehavior = RepeatBehavior.Forever;
doubleAnimation.Duration = new Duration(TimeSpan.FromSeconds(_marqueeTimeInSeconds));
if (marqueeType == MarqueeType.RightToLeft)
{
Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath("(Canvas.Right)"));
_storyBoard.Children.Add(doubleAnimation);
_storyBoard.Begin(marqueeList, true);
}
else if (marqueeType == MarqueeType.LeftToRight)
{
Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath("(Canvas.Left)"));
_storyBoard.Children.Add(doubleAnimation);
_storyBoard.Begin(marqueeList, true);
}
}
Now here I am able to change the direction from Right to Left only first time.
But when I am change it from Left to Right it’s not changing the marquee position Left to Right.
Please help me on this...........its urgent!!!!!!!!!!!
