重新加载在WPF图像 [英] Reloading an image in wpf

问题描述

我想重新加载图像（System.Windows.Controls.Image）我在WPF显示。我设置的来源是这样的：

I'm trying to reload an image (System.Windows.Controls.Image) I display in WPF. I set the source like this:

ScreenAtco01Image.Source = new BitmapImage(new Uri(@"Y:/screenshots/naratco08-0-0-screenshot.png", UriKind.RelativeOrAbsolute));

我做了一个按钮，它会迫使这一形象的重新加载（它更改了磁盘上每一秒）。

I made a button, which should force a reload of this image (it changes on disk every second).

我曾尝试复位源，但是，这并不做任何事情。但是，如果我更改源，以不同的图像，这种不同的图像并得到加载。好像事情是beeing缓存？

I have tried resetting the Source, but that doesn't do anything. However if I change the Source to a different image, this different image does get loaded. It seems like something is beeing cached?

感谢您的帮助。

推荐答案

研究发现，对我的作品的答案：

Found an answer that works for me:

BitmapImage _image = new BitmapImage();
_image.BeginInit();
_image.CacheOption = BitmapCacheOption.None;
_image.UriCachePolicy = new RequestCachePolicy(RequestCacheLevel.BypassCache);
_image.CacheOption = BitmapCacheOption.OnLoad;
_image.CreateOptions = BitmapCreateOptions.IgnoreImageCache;
_image.UriSource = new Uri(@"Y:/screenshots/naratco08-0-0-screenshot.png", UriKind.RelativeOrAbsolute);
_image.EndInit();
ScreenAtco01Image.Source = _image;

这篇关于重新加载在WPF图像的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！