VistaDB 5






VistaDB.DDA Namespace : DDAEventDelegate Delegate
EventDelegate object
New row data in 'before' eventDelegates or current row data in 'after' eventDelegates
DDAEventDelegate Delegate
Delegate method called by DDA during an event modification on tables
Syntax
'Declaration
 
Public Delegate Function DDAEventDelegate( _
   ByVal eventDelegate As IVistaDBDDAEventDelegate, _
   ByVal row As IVistaDBRow _
) As System.Exception
'Usage
 
Dim instance As New DDAEventDelegate(AddressOf HandlerMethod)
public delegate System.Exception DDAEventDelegate( 
   IVistaDBDDAEventDelegate eventDelegate,
   IVistaDBRow row
)
public delegate DDAEventDelegate( 
    eventDelegate: IVistaDBDDAEventDelegate;
    row: IVistaDBRow
);
public delegate DDAEventDelegate( 
   eventDelegate : IVistaDBDDAEventDelegate,
   row : IVistaDBRow
) : System.Exception
public: __gc __delegate System.Exception* DDAEventDelegate( 
   IVistaDBDDAEventDelegate* eventDelegate,
   IVistaDBRow* row
)
public delegate System.Exception^ DDAEventDelegate( 
   IVistaDBDDAEventDelegate^ eventDelegate,
   IVistaDBRow^ row
)

Parameters

eventDelegate
EventDelegate object
row
New row data in 'before' eventDelegates or current row data in 'after' eventDelegates

Return Value

User's exception to markup proceed status. If null the modification process continues.
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also