| 
   Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits.  | 
typedef enum
{
   TWAIN_VERSION1 = 0x001, 
   TWAIN_VERSION2 = 0x002, 
} TWAIN_VERSION;
Specifies the Twain version to work with.
| 
 Value  | 
 Meaning  | 
| 
 TWAIN_VERSION1  | 
 [0x001] Work with TWAIN v1.0.  | 
| 
 TWAIN_VERSION2  | 
 [0x002] Work with TWAIN v2.0.  |