DTwainSource::IsValid

Syntax

bool DTwainSource::IsValid( ) const;

Return Value

Returns true if the DTwainSource is valid, false otherwise.

This function can be used to determine if a Source was selected by the user. .

Example

#include <cdtwain.h>

#include <iostream>

using namespace DTWAIN;

using namespace std;

int main( )

{

  DTwainInterface TI( NULL, NULL );

  DTwainSource Source = DTwainSource::Select( );

  if ( Source.IsValid( ) )

      cout << "User Selected the source" <<  endl;

  else

      cout << "User Cancelled selection of source" <<  endl;

}