WPF Image Tooltip

Question

I have a tooltip on an image inside of a listbox. The tooltip is setup as follows:

Answer 1

You don't need extra {} prefix in ContentStringFormat. With ToolTip, also prefer using ContentStringFormat instead of StringFormat in binding.

Following works:

<Image.ToolTip>
    <ToolTip Content="{Binding}"
                ContentStringFormat="Ping: {0}ms" />
</Image.ToolTip>