IDM_UNDO Command ID
Undo the previous command.
C++ Information
Command group CGID_MSHTML (defined in mshtmhst.h) Symbolic constant IDM_UNDO User interface None. Set nCmdExecOpt to OLECMDEXECOPT_DONTPROMPTUSER. IOleCommandTarget::Exec parameters pvaIn Set to NULL.pvaOut Set to NULL.Header file mshtmcid.h Applies to IHTMLDocument2::execCommand, IHTMLDocument2::queryCommandEnabled, IHTMLDocument2::queryCommandIndeterm, IHTMLDocument2::queryCommandState, IHTMLDocument2::queryCommandSupported, IHTMLDocument2::queryCommandValue, IOleCommandTarget::Exec, IOleCommandTarget::QueryStatus.
Remarks
This command applies to the document object. For example, the following button reverses the last action.
<button onclick="document.execCommand('Undo')">UNDO</button>
Minimum Availability
Internet Explorer 5.0 and later.