描述
The UNDONAMEID enumeration type contains values that indicate types of rich edit control actions that can be undone or redone. The EM_GETREDONAME and EM_GETUNDONAME messages use this enumeration type to return a value.
常数
UID_UNKNOWN = 0 UID_TYPING = 1 UID_DELETE = 2 UID_DRAGDROP = 3 UID_CUT = 4 UID_PASTE = 5 |
UID_UNKNOWN |
The type of undo action is unknown. |
UID_TYPING |
Typing operation. |
UID_DELETE |
Delete operation. |
UID_DRAGDROP |
Drag-and-drop operation. |
UID_CUT |
Cut operation. |
UID_PASTE |
Paste operation. |
Minimum operating systems
Windows 95 with Rich Edit 2.0, Windows 98, Windows NT 4.0