Sets the dirty flag. This is used to signal that the list is 'dirty' and needs to be saved. This flat is set on the current list item and progagated upwards. To mark the tree dirty, call SetDirty(True) on any item within the tree. To make the tree clean, call SetDirty(False) on the root node.

'Declaration
 
Sub SetDirty( _
   ByVal bDirty As Boolean _
) 

'Usage
 
Dim instance As IMMPersistentListItem
Dim bDirty As Boolean
 
instance.SetDirty(bDirty)

void SetDirty( 
   bool bDirty
)