TdxCustomDocumentCapabilitiesOptions.Undo Property

Specifies if the Rich Edit control provides an end-user the capability to undo and redo their last actions within a document.

Declaration

delphi

property Undo: TdxDocumentCapability read; write; default TdxDocumentCapability.Default;

Property Value

Type	Default
TdxDocumentCapability	Default

Remarks

Use this property to disable or enable the action history functionality in the Rich Edit control. The Undo property value affects the availability of the Undo and Redo commands as well as the appearance and functionality of the user interface elements associated with them.

For detailed information on document feature availability modes, refer to the TdxDocumentCapability type description.

Note

The Undo property value does not affect the Rich Edit control’s Undo and Redo procedures that reproduce the effect of the Undo and Redo commands, respectively.

The default value of the Undo property is TdxDocumentCapability.Default.