scan.h

清华紫光twain扫描仪编程接口范例

#include "resource.h"

#define UN_OK             0
#define UN_ERROR         -1
#define MAX_FILENAME    256

int PASCAL WinMain(HANDLE, HANDLE, LPSTR, int);
BOOL InitApplication(HANDLE);
BOOL InitInstance(HANDLE, int);
long CALLBACK  MainWndProc(HWND, UINT, WPARAM, LPARAM);
BOOL CALLBACK About(HWND, unsigned, WORD, LONG);