A string containing one of the following: either a string approximating the text that would
result from this keypress, if the key is a control or graphic character, or a symbolic name for this keypress.
Alphanumeric and printable keys will have the symbolic key name in this string member, for instance "A". "0",
"semicolon", "aacute". Keypad keys have the prefix "KP".
A string containing one of the following: either a string approximating the text that would result from this keypress, if the key is a control or graphic character, or a symbolic name for this keypress. Alphanumeric and printable keys will have the symbolic key name in this string member, for instance "A". "0", "semicolon", "aacute". Keypad keys have the prefix "KP".