hc:TitleElement.MarginOnTheTop not found

[CodingOctocat]

Describe the bug

hc:TitleElement.MarginOnTheTop not found.

Steps to reproduce the bug

重写 TextBoxPlusTopTemplate 样式时，发现缺少 hc:TitleElement.MarginOnTheTop 属性，但我看 GitHub 代码库中是存在的.

Expected behavior

No response

Screenshots

No response

NuGet package version

HandyControl 3.4.0

IDE

Visual Studio 2022

Framework type

.Net 6.0

Windows version

Windows 11 (22000)

Additional context

No response