99   this->KeysDown     = 0;  in vtkInteractorStyleFlight()
136   if (this->KeysDown)  in ForwardFly()
342     case VK_LEFT        : this->KeysDown |=1;  break;  in OnKeyDown()
343     case VK_RIGHT       : this->KeysDown |=2;  break;  in OnKeyDown()
344     case VK_UP          : this->KeysDown |=4;  break;  in OnKeyDown()
345     case VK_DOWN        : this->KeysDown |=8;  break;  in OnKeyDown()
347     case 'A'            : this->KeysDown |=16; break;  in OnKeyDown()
349     case 'Z'            : this->KeysDown |=32; break;  in OnKeyDown()
351   if ((this->KeysDown & (32+16)) == (32+16))  in OnKeyDown()
362   else if ((this->KeysDown & 32) == 32)  in OnKeyDown()
370   else if ((this->KeysDown & 16) == 16)  in OnKeyDown()
394     case VK_LEFT        : this->KeysDown &= ~1;  break;  in OnKeyUp()
395     case VK_RIGHT       : this->KeysDown &= ~2;  break;  in OnKeyUp()
396     case VK_UP          : this->KeysDown &= ~4;  break;  in OnKeyUp()
397     case VK_DOWN        : this->KeysDown &= ~8;  break;  in OnKeyUp()
399     case 'A'            : this->KeysDown &= ~16; break;  in OnKeyUp()
401     case 'Z'            : this->KeysDown &= ~32; break;  in OnKeyUp()
406       if ((this->KeysDown & 16) == 0)  in OnKeyUp()
412       if ((this->KeysDown & 32) == 0)  in OnKeyUp()
728     if (this->KeysDown & 1)  in FlyByKey()
732     if (this->KeysDown & 2)  in FlyByKey()
739     if (this->KeysDown & 1)  in FlyByKey()
743     if (this->KeysDown & 2)  in FlyByKey()
753     if (this->KeysDown & 4)  in FlyByKey()
757     if (this->KeysDown & 8)  in FlyByKey()
764     if (this->KeysDown & 4)  in FlyByKey()
768     if (this->KeysDown & 8)  in FlyByKey()
776   if (this->KeysDown & 16)  in FlyByKey()
780   if (this->KeysDown & 32)  in FlyByKey()