在C＃中调用StackPanel的children元素

Question

由于某些原因，我必须在堆栈面板内操作一些图像（不在XAML中）

<StackPanel x:Name="spImageList" 
            Orientation="Horizontal" 
            HorizontalAlignment="Center" 
            Canvas.ZIndex="1"  />               

和操作图像的代码：

public void ManipulateArrows()                                  
{
    spImageList.Children.Clear();
    for (int i=0;i<cout;i++)
    {
        Image img = new Image();
        img.Name = "img" + i.ToString();
        img.Source = new BitmapImage(new Uri("/Assets/Image/arrow_blue.png", UriKind.Relative));
        spImageList.Children.Add(img);                
    }                        
}

现在我需要更改该stackpanel中图像的来源，那我该怎么做呢？

public void ChangeImage(string name)
{
    spImageList.Children .. = new BitmapImage(new Uri("/Assets/Image/arrow_red.png", UriKind.Relative));;        
  // Get the image by the name like "img1","img2"
}

Answer 1

试试这个：

public void ChangeImages()
{           
    for (int j = 0; j < spImageList.Children.Count; j++)
    {
       Image img = (Image)Stack.FindName("img"+j.ToString());
       img.Source = new BitmapImage(new Uri("/Assets/Image/arrow_red.png", UriKind.Relative));                
    }
}

Answer 2

您可以使用FindName方法，

Image imag1 = (Image)spImageList.FindName("img1");
Image imag2 = (Image)spImageList.FindName("img2");