CodingNinja

应该无法使用，原因在于 Ubuntu 下安装的软件（snap）是只读文件系统，无法复制到 lib 目录。

> 应该无法使用，原因在于 Ubuntu 下安装的软件（snap）是只读文件系统，无法复制到 lib 目录。 @wjj31767 对了，如果是从官网下载的 tar.gz 包，那么是可以使用的。 具体做法： 1. 下载 pycharm 的 linux 版（即 tar.gz 压缩包） 2. 主文件夹下新建一个专门用于此类压缩包式的文件夹（这里我命名为 app） 3. 将 tar.gz 解压提取到 app 文件夹中 4. 右键...

I encountered the same problem, and i solved it: ```CSharp await Task.Run(async () => { await ChangeSize() ... }); ``` work fine.

我即使不用 `HandyControl`，在额外弹出的窗口最底部也会有 `1px` 的黑线，然后我开启了 `SnapsToDevicePixels="True"`、`UseLayoutRounding="True"`，似乎问题就解决了，你可以试试。

Share a temporary solution to this issue: ```CS private void MySplitButton_Click(object sender, RoutedEventArgs e) { if (MySplitButton.IsDropDownOpen) { return; } // Do something. } ```

I created a new simple example, but I can't reproduce the problem either, and since my problem project has changed, I can't restore it for now, and this issue is...

@XamlFlair Hi, in simple terms, if some items of the `ListView` have become `Opacity=0.2` (through xf animation), then resize of the `ListView` to 0, and then resize to the `ListView`...

By the way, In the WinUI3 era, the XAML binding command still requires 6 lines of code.😱

Temporary Solutions: set `NonClientAreaContent` background `{x:null}`

The reason for the problem is that I did not use Grid, but directly used hc:SimpleStackPanel.