Occurs when image chunk is transfered from scanner to this library. 
            Occurs only when using 
Memory or 
MemFile as transfer method.
            
 
Namespace: TwainScanningAssembly: TwainScanning (in TwainScanning.dll) Version: 1.3.0.0 (1.3.0.0)
 
public event EventHandler<DataSourceMemoryTransferProgressUpdateEventArgs> OnMemoryTransferProgressUpdate
Public Event OnMemoryTransferProgressUpdate As EventHandler(Of DataSourceMemoryTransferProgressUpdateEventArgs)
public:
 event EventHandler<DataSourceMemoryTransferProgressUpdateEventArgs^>^ OnMemoryTransferProgressUpdate {
	void add (EventHandler<DataSourceMemoryTransferProgressUpdateEventArgs^>^ value);
	void remove (EventHandler<DataSourceMemoryTransferProgressUpdateEventArgs^>^ value);
}member OnMemoryTransferProgressUpdate : IEvent<EventHandler<DataSourceMemoryTransferProgressUpdateEventArgs>,
    DataSourceMemoryTransferProgressUpdateEventArgs>
Value
Type: 
SystemEventHandlerDataSourceMemoryTransferProgressUpdateEventArgs 
Reference