The undo action type.
Specifies the undo action type. This a DWORD value containing the following flags:
- g_dwUATUndefined - undefined (unknown) action
- g_dwUATInsertData - data was inserted into the edit control
- g_dwUATDeleteData - data was deleted from the edit control
- g_dwUATIndentData - indentation
These flags can be retrieved using UAT_TYPE (0x000000FF) value.
which can be combined with more specific flags describing the action:
- g_dwUATTyping - simple typing (a new character was inserted via OnChar)
- g_dwUATCut - data was cut (copied into the Clipboard and deleted)
- g_dwUATPaste - the data was pasted from the Clipboard
- g_dwUATDelete - the data was deleted using Del key
- g_dwUATBackspace - the data was deleted using Backspace key
- g_dwUATDragDrop - a drag & drop operation was performed
- g_dwUATEnter - a new line was inserted using Return key
- g_dwUATIndent - forward indentation
- g_dwUATUnindent - backward indentation
- g_dwUATTab - a new tab was inserted
These flags can be retrieved using UAT_REASON (0xFFFFFF00) value.
UAT means "undo action type".
