C / C++ / MFC

void CMyWin::OnItemchangedListCtrl(NMHDR* pNMHDR, LRESULT* pResult) 
{
   NMLISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
   *pResult = 0;
   if ( pNMListView->iItem < 0 )
      return;
 
   if ( (pNMListView->uOldState & LVIS_SELECTED) 
      && !(pNMListView->uNewState & LVIS_SELECTED) )
   {
      // item has lost selection
   }
   else if ( !(pNMListView->uOldState & LVIS_SELECTED) 
      && (pNMListView->uNewState & LVIS_SELECTED) )
   {
      // item has gained selection
   }
}

VOID mouse_event(
DWORD dwFlags,         // motion and click options
DWORD dx,              // horizontal position or change
DWORD dy,              // vertical position or change
DWORD dwData,          // wheel movement
ULONG_PTR dwExtraInfo  // application-defined information
}

UINT SetInput(
UINT nInputs,     // count of input events
LPINPUT pInputs,  // array of input events
int cbSize        // size of structure
}

typedef struct tagINPUT {
  DWORD   type;
  union {
      MOUSEINPUT      mi;
      KEYBDINPUT      ki;
      HARDWAREINPUT   hi;
  };
} INPUT, *PINPUT;

//Send MOUSE_MOVE message to the active window
//If it is a screensaver window, it will kill itself automatically)
//The mouse will be moved to the coordinates (0,0) on the screen
mouse_event(MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_MOVE, 0, 0, NULL, NULL);

//Send MOUSE_MOVE message to the active window
//If it is a screensaver window, it will kill itself automatically)

//Initialize an INPUT structure:
INPUT myInput;
myInput.type = INPUT_MOUSE;  //we're sending mouse commands

//Initialize our MOUSEINPUT structure:
MOUSEINPUT mouseInput;
mouseInput.dwFlags = MOUSEEVENTF_MOVE|MOUSEEVENTF_ABSOLUTE;
mouseInput.dx = 0;
mouseInput.dy = 0;
mouseInput.mouseData = NULL;
mouseInput.time = 0;
mouseInput.dwExtraInfo = NULL;


//Put our MOUSEINPUT structure into our INPUT structure:
myInput.mi = mouseInput;

//Call SetInput:
//The mouse will be moved to the coordinates (0,0) on the screen
SetInput(1, &myInput, sizeof(INPUT));

Jason Henderson
_{quasi-homepage}
^articles
_{"Like it or not, I'm right!"}

Jason Henderson
_{quasi-homepage}
^articles
_{"Like it or not, I'm right!"}