![](/img/trans.png)
[英]TemplateBinding fails when the target is an ImageBrush.ImageSource
[英]Get button sender ImageBrush.ImageSource from XAML
首先,我有多個將我發送到另一頁的按鈕,我希望第二頁上顯示該按鈕的ImageBrush
。 x:Name
, Tag
和Content
類的字段已經很忙,因此我無法使用它們。 我的按鈕是這樣的:
XAML
<Button x:Name="but01" Click="Button2_Click" Tag="this tag is bussy" Content="First Button" >
<Button.Background>
<ImageBrush x:Name="brush1" ImageSource="/Assets/Logos/1.png" Stretch="Uniform" />
</Button.Background>
</Button>
后面的代碼:
private void Button2_Click(object sender, EventArgs e)
{
//this is what I've tried
var brush = new ImageBrush();
brush = (ImageBrush)((sender as Button).Background);
string mynew = brush.ImageSource.ToString();
NavigationService.Navigate(
new Uri("/MainPage.xaml?path=" +
HttpUtility.UrlEncode((sender as Button).Tag.ToString())+ "&source="+ mynew,
UriKind.Relative));
}
其中mynew = System.Windows.Media.Imaging.BitmapImage
,我希望它是: /Assets/Logos/1.png
有任何想法嗎? 也許還有其他字段可以存儲此路徑,但“ Tag
,“ Name
和“ Content
除外?
您應該使用BitmapImage而不是ImageSource 。
您可以這樣獲得圖像路徑:
var brush = but01.Background as ImageBrush;
BitmapImage source = brush.ImageSource as BitmapImage;
Uri uri = source.UriSource;
string uriStr = uri.OriginalString;
uriStr字段是您想要的值!
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