LVectorFile::LVectorFile

// This is an example for LVectorFile::LVectorFile(): 
 
L_INT LVectorFile__LVectorFileExample_1(HWND hWnd) 
{ 
   L_INT       nRet; 
   RECT        rect; 
   LVectorBase Vector; 
   LVectorFile VectorFile; 
 
   VectorFile.SetVector(&Vector); 
 
   VectorFile.SetFileName(MAKE_IMAGE_PATH(TEXT("random.dxf"))); 
 
   nRet = VectorFile.LoadFile(); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   nRet = Vector.AttachToWindow(hWnd); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   GetClientRect(hWnd, &rect); 
 
   nRet = Vector.SetViewport(&rect); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   VectorFile.SetFileName(MAKE_IMAGE_PATH(TEXT("image3.wmf"))); 
 
   nRet = VectorFile.SaveFile(FILE_WMF); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   return SUCCESS; 
} 
 
// This is an example for LVectorFile::LVectorFile(pLVector): 
 
L_INT LVectorFile__LVectorFileExample_2(HWND hWnd) 
{ 
   L_INT       nRet; 
   LVectorBase Vector; 
   LVectorFile VectorFile(&Vector); 
 
   //LVectorFile object is invalid until object and filename habe been associated 
   if (VectorFile.IsValid()) 
      MessageBox(hWnd, TEXT("IsValid() returns TRUE"), TEXT(""), MB_OK); 
   else 
      MessageBox(hWnd, TEXT("IsValid() returns FALSE"), TEXT(""), MB_OK); 
 
   VectorFile.SetFileName(MAKE_IMAGE_PATH(TEXT("random.dxf"))); 
   nRet = VectorFile.LoadFile(); 
   if(nRet != SUCCESS) 
      return nRet; 
 
    //LVectorFile object is invalid unless a file has been loaded 
   if (VectorFile.IsValid()) 
      MessageBox(hWnd, TEXT("IsValid() returns TRUE"), TEXT(""), MB_OK); 
   else 
      MessageBox(hWnd, TEXT("IsValid() returns FALSE"), TEXT(""), MB_OK); 
 
   //destructor called when out of scope 
 
   return SUCCESS; 
} 
 
// This is an example for LVectorFile::LVectorFile(pLVector, pFileName): 
L_INT LVectorFile__LVectorFileExample_3(HWND hWnd) 
{ 
   L_INT       nRet; 
   LVectorBase Vector; 
 
   LVectorFile VectorFile(&Vector, MAKE_IMAGE_PATH(TEXT("random.dxf"))); 
 
   nRet = VectorFile.LoadFile(); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   //Get pointer to internal file name 
   MessageBox(hWnd, VectorFile.GetFileName(), TEXT(""), MB_OK); 
 
   //Get copy of internal file name 
   L_TCHAR  szTemp[100]; 
   L_UINT   uBuffSize; 
 
   nRet = VectorFile.GetFileName(szTemp, &uBuffSize); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   MessageBox(hWnd, szTemp, TEXT(""), MB_OK); 
 
   return SUCCESS; 
}