请看我的代码，我做了什么错误。这是列表玩家加入游戏。我想根据列表分配玩家。我想设置动画以使图像边框闪烁。
private void SetVisibilityForSeat（List playerseat） { 尝试 {
for (int i = 0; i < playerseat.Count; i++)
{
ColumnDefinition seatGridcol = new ColumnDefinition();
ParentGrid.ColumnDefinitions.Add(seatGridcol);
}
string cardimage = AppDomain.CurrentDomain.BaseDirectory + "Images\\Cards\\CardTheme 1\\Blue_Back.png";
int incrementer = -1;
int j = 1;
foreach (var player in playerseat) // Loop through List with foreach
{
incrementer = incrementer + 1;
seatGrid = new Grid();
RowDefinition gridRow1 = new RowDefinition();
seatGrid.RowDefinitions.Add(gridRow1);
RowDefinition gridRow2 = new RowDefinition();
seatGrid.RowDefinitions.Add(gridRow2);
RowDefinition gridRow3 = new RowDefinition();
seatGrid.RowDefinitions.Add(gridRow3);
ColumnDefinition coldef1 = new ColumnDefinition();
seatGrid.ColumnDefinitions.Add(coldef1);
seatGrid.HorizontalAlignment = HorizontalAlignment.Center;
seatGrid.VerticalAlignment = VerticalAlignment.Bottom;
Grid.SetRow(seatGrid, 0);
Grid.SetColumn(seatGrid, incrementer);
ParentGrid.Children.Add(seatGrid);
TextBlock tbName = new TextBlock();
tbName.Text = player.NickName;
tbName.FontFamily = new FontFamily("Arial");
tbName.FontSize = 18.667;
tbName.TextAlignment = TextAlignment.Center;
tbName.TextWrapping = TextWrapping.Wrap;
tbName.Foreground = Brushes.Black;
Grid.SetRow(tbName, 0);
Grid.SetColumn(tbName, 0);
seatGrid.Children.Add(tbName);
SolidColorBrush redBrush = new SolidColorBrush();
redBrush.Color = Colors.Black;
border = new Border();
this.RegisterName(("myAnimatedBorder" + j), border);
border.BorderThickness = new Thickness(5);
border.BorderBrush = Brushes.Red;
border.Width = 110;
border.Height = 150;
Grid.SetRow(border, 1);
Grid.SetColumn(border, 0);
SolidColorBrush blueBrush = new SolidColorBrush();
blueBrush.Color = Colors.Blue;
SolidColorBrush blackBrush = new SolidColorBrush();
blackBrush.Color = Colors.Red;
Rectangle rect = new Rectangle();
rect.Width = 104;
rect.Height = 143;
Grid.SetRow(rect, 1);
Grid.SetColumn(rect, 0);
rect.StrokeThickness = 4;
border.Child = rect;
Uri imgsource = new Uri(cardimage);
BitmapImage bim = new BitmapImage();
bim.BeginInit();
bim.CacheOption = BitmapCacheOption.OnLoad;
bim.UriSource = imgsource;
bim.EndInit();
Image image = new Image();
image.Source = bim;
image.Width = 100;
image.Height = 139;
Grid.SetRow(image, 1);
Grid.SetColumn(image, 0);
border.Child = image;
DoubleAnimation da = new DoubleAnimation();
da.From = 0;
da.To = 1;
da.Duration = new Duration(TimeSpan.FromSeconds(0.5));
da.AutoReverse = true;
da.RepeatBehavior = RepeatBehavior.Forever;
sb = new Storyboard();
sb.Name = ("mystory" + j);
sb.Children.Add(da);
Storyboard.SetTargetName(da, ("myAnimatedBorder" + j));
Storyboard.SetTargetProperty(da, new PropertyPath(Border.OpacityProperty));
myBeginStoryboard = new BeginStoryboard();
myBeginStoryboard.Storyboard = sb;
seatGrid.Children.Add(border);
sb.Completed += new EventHandler(StoryboardCompleted);
sb.Stop(this);
//EventTrigger myBorderLoadedTrigger = new EventTrigger();
//myBorderLoadedTrigger.RoutedEvent = Border.LoadedEvent;
//myBorderLoadedTrigger.Actions.Add(myBeginStoryboard);
Grid subgrid = new Grid();
RowDefinition subgridRow1 = new RowDefinition();
subgrid.RowDefinitions.Add(subgridRow1);
ColumnDefinition subcoldef1 = new ColumnDefinition();
subgrid.ColumnDefinitions.Add(subcoldef1);
ColumnDefinition subcoldef2 = new ColumnDefinition();
subgrid.ColumnDefinitions.Add(subcoldef2);
// subgrid.Width = 155;
subgrid.Height = 56;
Grid.SetRow(subgrid, 2);
Grid.SetColumn(subgrid, 0);
seatGrid.Children.Add(subgrid);
arrow = new ArrowView();
arrow.Name = ("myarrow" + j);
arrow.Width = 40;
arrow.Height = 42;
Grid.SetRow(arrow, 0);
Grid.SetColumn(arrow, 0);
subgrid.Children.Add(arrow);
Rectangle countrect = new Rectangle();
countrect.Width = 36;
countrect.Height = 36;
LinearGradientBrush yellowGreenLGBrush = new LinearGradientBrush();
yellowGreenLGBrush.StartPoint = new Point(0.5, 0);
yellowGreenLGBrush.EndPoint = new Point(0.5, 1);
GradientStop orangeGS = new GradientStop();
orangeGS.Color = Colors.Orange;
orangeGS.Offset = 0;
yellowGreenLGBrush.GradientStops.Add(orangeGS);
GradientStop yellowGS = new GradientStop();
yellowGS.Color = Colors.Yellow;
yellowGS.Offset = 1;
yellowGreenLGBrush.GradientStops.Add(yellowGS);
countrect.Fill = yellowGreenLGBrush;
Grid.SetRow(countrect, 0);
Grid.SetColumn(countrect, 1);
subgrid.Children.Add(countrect);
TextBlock tbcount = new TextBlock();
tbcount.Text = "50";
tbcount.Width = 20.834;
tbcount.Height = 19.249;
tbcount.FontFamily = new FontFamily("Arial");
tbcount.FontSize = 18.667;
tbcount.TextAlignment = TextAlignment.Center;
tbcount.TextWrapping = TextWrapping.Wrap;
tbcount.Foreground = Brushes.White;
Grid.SetRow(tbcount, 0);
Grid.SetColumn(tbcount, 1);
subgrid.Children.Add(tbcount);
j++;
}
demo();
}
catch (Exception ex)
{
}
}
答案 0 :(得分：0)
如果你只有一个动画，那么使用Storyboard几乎没有意义;故事板实际上是用于组合多个动画以及共享时钟/时间线。您可以使用元素的BeginAnimation方法直接在目标元素上应用动画。要在动画完成之前删除它，只需再次调用BeginAnimation并传递null作为动画参数。
有关手动控制动画的详细信息，请参阅this MSDN article。