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L_ILN_HSCROLL

Sent when the user scrolls the ImageList Controls contents using the horizontal scrollbar.

Parameters

wParam

idCtrl = (L_INT) LOWORD(wParam) identifier of control

wNotifyCode = HIWORD(wParam) notification code

lParam

hWndCtrl = (HWND) lParam handle of the control

Comments

Sent when the user scrolls the ImageList Controls contents using the horizontal scrollbar.

The parent window of the control receives this notification message through the WM_COMMAND message.

Elements

Topics

Example

this function processes all the messages for a window

static HWND hCtl; 
L_SIZE_T MainWndProc3(HWND hWnd, L_UINT Message, WPARAM wParam, 
                                   LPARAM lParam) 
{ 
   WORD wNotifyCode; 
   L_INT idCtl; 
   HWND hWndCtrl; 
 
   switch (Message) 
   { 
      case WM_SETFOCUS: 
         if(hCtl) 
            SetFocus(hCtl); 
         break; 
      case WM_COMMAND: 
         wNotifyCode = HIWORD(wParam); // notification code  
         idCtl       = LOWORD(wParam); // item, control, or accelerator identifier  
         hWndCtrl    = (HWND) lParam;  // handle of control  
         switch(idCtl) 
         { 
            case IDC_LEADIMAGELIST: 
               switch(wNotifyCode) 
               { 
                  /* other code here */ 
                  case L_ILN_HSCROLL: 
                     MessageBox(hWnd, TEXT("Horizontal Scroll"), TEXT("Notify"), MB_OK); 
                     break; 
                  case L_ILN_VSCROLL: 
                     MessageBox(hWnd, TEXT("Vertical Scroll"), TEXT("Notify"), MB_OK); 
                     break; 
                  /* other code here */ 
               } 
               break; 
               /* other code here */ 
         } 
         break; 
         /* other code here */ 
   } 
   return DefWindowProc (hWnd, Message, wParam, lParam); 
}

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