如何定义 HTMLhelp 的字符集？
我的 C++ windows 程序使用 htmlhelp。结构 HH_POPUP 包含格式为 pszFont 的字段：“Facename[, point size[, CHARSET[, color[, PLAIN BOLD ITALIC UNDERLINE]]]]”，但我找不到任何有关定义字符集。我的俄语弹出帮助完全无法阅读。
HH_POPUP popupAttr;
memset(&popupAttr, 0, sizeof(popupAttr));
popupAttr.cbStruct = sizeof(popupAttr);
popupAttr.clrBackground = COLORREF(-1);
popupAttr.clrForeground = COLORREF(-1);
popupAttr.rcMargins.left = -1;
popupAttr.rcMargins.bottom = -1;
popupAttr.rcMargins.right = -1;
popupAttr.idString = UINT(helpInfo->dwContextId);
popupAttr.pt = helpInfo->MousePos;
popupAttr.pszFont = _T("Arial,18,HOW_TO_DEFINE_THIS_CHARSET"); // please!!!
CWnd::GetDesktopWindow()->HtmlHelp(reinterpret_cast<DWORD>(&popupAttr), HH_DISPLAY_TEXT_POPUP);
My C++ windows program uses htmlhelp. Structure HH_POPUP includes field pszFont in format: "Facename[, point size[, CHARSET[, color[, PLAIN BOLD ITALIC UNDERLINE]]]]", but I cannot find any info about way to define the charset. My russian popup help is totally unreadeable.
HH_POPUP popupAttr;
memset(&popupAttr, 0, sizeof(popupAttr));
popupAttr.cbStruct = sizeof(popupAttr);
popupAttr.clrBackground = COLORREF(-1);
popupAttr.clrForeground = COLORREF(-1);
popupAttr.rcMargins.left = -1;
popupAttr.rcMargins.bottom = -1;
popupAttr.rcMargins.right = -1;
popupAttr.idString = UINT(helpInfo->dwContextId);
popupAttr.pt = helpInfo->MousePos;
popupAttr.pszFont = _T("Arial,18,HOW_TO_DEFINE_THIS_CHARSET"); // please!!!
CWnd::GetDesktopWindow()->HtmlHelp(reinterpret_cast<DWORD>(&popupAttr), HH_DISPLAY_TEXT_POPUP);
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（只是猜测。）可能需要在 HTML 帮助中定义字符集，而不是
HH_POPUP结构。 HTML 帮助主题的META标记中指定了字符集吗？例如：另外，你们的帮助文件是否指定了相应的语言？例如：
(Just a guess.) It might be that the charset needs to be defined in your HTML Help rather than the
HH_POPUPstructure. Is the charset specified in theMETAtags of your HTML Help topics? E.g.:Also, is the corresponding language specified for your help file? E.g.:
通过将带有弹出标签的 txt 文件从 UNICODE 转换为 ANSI 解决了该问题。谢谢大家的帮助
The problem has solved by converting txt file with popup labels from UNICODE to ANSI. Thank you everyone for your help