L_ILN_SETFOCUS

Sent when an ImageList Control receives the keyboard focus.

Parameter	Description
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 an ImageList Control receives the keyboard focus.

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

Example

this function processes all the messages for a window

static HWND hCtl; 
L_SIZE_T  MainWndProc1(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) 
         { 
            case L_ILN_SETFOCUS: 
            MessageBeep(MB_OK); 
            break; 
            case L_ILN_KILLFOCUS: 
            MessageBeep(MB_ICONEXCLAMATION); 
            break; 
            /* other code here */ 
         } 
         break; 
         /* other code here */ 
      } 
      break; 
      /* other code here */ 
   } 
   return DefWindowProc (hWnd, Message, wParam, lParam); 
}

Help Version 19.0.2017.10.27

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LEADTOOLS Raster Imaging C API Help

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Redistributables/Files To Be Included With Your Application

Elements:	L_ILN_KILLFOCUS, L_ILN_HSCROLL, L_ILN_VSCROLL, L_ILN_CLICKED, L_ILN_DBLCLCK, L_ILN_ITEMSEL, L_ILN_ITEMUNSEL, L_ILN_KEYDOWN
Topics:	Using the ImageList Control
	Image List Control Command Notifications