[Value] DT_HIDEPREFIX [Meaning] 
Ignores the ampersand (&) prefix character in the text. The letter that follows will not be underlined, but other mnemonic-prefix characters are still processed. Example: input string: "A&bc&&d" normal: "Abc&d" DT_HIDEPREFIX: "Abc&d" Compare with DT_NOPREFIX and DT_PREFIXONLY.