Escape Sequence Represents
\a Bell (alert)
\b Backspace
\f Formfeed
\n New line
\r Carriage return
\t Horizontal tab
\v Vertical tab
\' Single quotation
\" Double quotation
\\ Backslash
\? Literal question
\ooo ASCII character in octal notation
\xhh ASCII character in hexadecimal notation
\xhhhh Unicode character in hexadecimal notation if this escape sequence is used in a wide-character constant or a Unicode string literal.
For example, WCHAR f = L'\x4e00' or WCHAR b[] = L"The Chinese character for one is \x4e00".
\a Bell (alert)
\b Backspace
\f Formfeed
\n New line
\r Carriage return
\t Horizontal tab
\v Vertical tab
\' Single quotation
\" Double quotation
\\ Backslash
\? Literal question
\ooo ASCII character in octal notation
\xhh ASCII character in hexadecimal notation
\xhhhh Unicode character in hexadecimal notation if this escape sequence is used in a wide-character constant or a Unicode string literal.
For example, WCHAR f = L'\x4e00' or WCHAR b[] = L"The Chinese character for one is \x4e00".
第二个问题应该使用OleDataReader进行查询返回值读写,去查一查帮助,里面写得很详细.
至adClipString和wdTableFormatColorful2,我也不明白在VB中是什么意思,你可以翻阅相关资料。