virtual BOOL CBCGPEditCtrl::OnUndo ( BOOL  bSetCaret = TRUE, BOOL  bRedraw = TRUE  )

virtual

Performs the next undo action.

Returns

Nonzero if the function succeeds; otherwise 0.

The function fails if the undo buffer is empty or the current position in the buffer is NULL and m_bBOL is TRUE.

The function can call itself recursively if the next undo action has m_bForceNextUnto flag set to TRUE.

Parameters

bSetCaret	Specifies whether the caret should be set to the position of undo action.
bRedraw	Specifies whether to redraw the edit control after undo action.