tcolorbox：带有框架的 tcbitemize 环境

Question

我想要一个覆盖整个线宽的 tcbitemize 环境，它周围有一个框架无缝隙？

如果我将 tcbitemize 放入另一个 tcolorbox，就会出现间隙。

添加这个外框且没有间隙的正确方法是什么？

提示：内部项目框不应该有框架，但这里显示以便更好观察。

% arara: pdflatex
% arara: pdflatex

\documentclass{article}
\usepackage[showframe=true,
]{geometry}
\usepackage[most]{tcolorbox}

\tcbset{enhanced, fontupper=\bfseries, notitle, halign=center, valign=center}

\begin{document}
\tcbset{sharp corners,}

\begin{tcolorbox}[
colframe=red,  % for better seeing
boxsep=0pt, % no effekt
before skip=0cm, % no effekt
]
\begin{tcbitemize}[
% boxrule=0pt,frame hidden, % not used for better seeing
raster columns=3,
raster equal height,
raster column skip=2pt,
raster row skip=2pt,
colback=white
]
\tcbitem A
\tcbitem B
\tcbitem C
\tcbitem[raster multicolumn=2] X
\tcbitem Y
\end{tcbitemize}
\end{tcolorbox}
\end{document}

Answer 1

环境中的框框和框内容之间的间隙分别由选项、、和tcolorbox控制。它们显示在的文档第 2 节中，并记录在 4.7.4 节中。leftrighttopbottomtcolorbox

将每个值设置0pt为

\documentclass{article}
\usepackage[showframe=true,
]{geometry}
\usepackage[most]{tcolorbox}

\tcbset{enhanced, fontupper=\bfseries, notitle, halign=center, valign=center}

\begin{document}
\tcbset{sharp corners,}

\begin{tcolorbox}[
colframe=red,  % for better seeing
boxsep=0pt, % no effekt
before skip=0cm, % no effekt
left=0pt, right=0pt,
top=0pt, bottom=0pt
]
\begin{tcbitemize}[
% boxrule=0pt,frame hidden, % not used for better seeing
raster columns=3,
raster equal height,
raster column skip=2pt,
raster row skip=2pt,
colback=white
]
\tcbitem A
\tcbitem B
\tcbitem C
\tcbitem[raster multicolumn=2] X
\tcbitem Y
\end{tcbitemize}
\end{tcolorbox}
\end{document}