L_ILN_ITEMUNSEL
Sent when the user unselects one or more items in the ImageList Control.
Parameter |
Description |
wParam |
idCtrl = (L_INT) LOWORD(wParam) identifier of control. |
|
wNotifyCode = HIWORD(wParam) notification code. |
lParam |
pItemSel = (pLILITEMSEL) lParam pointer to item selection info structure.. |
Comments
Sent when the user unselects one or more items in the ImageList Control. pItemSel contains information about the item that was unselected.
The parent window of the control receives this notification message through the WM_COMMAND message.
Note: If you are subclassing the ImageList Control window, you can use the L_ILM_ITEMUNSELECTED message to get item unselection notifications.
See Also
Example
this function processes all the messages for a window
L_SIZE_T MainWndProc7 (HWND hWnd, L_UINT Message, WPARAM wParam, LPARAM lParam) { WORD wNotifyCode; L_INT idCtl; HWND hWndCtrl; L_TCHAR buf[300]; pLILITEMSEL pItemSel; switch (Message) { case WM_SETFOCUS: if(hWnd) SetFocus(hWnd); 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_ITEMUNSEL: pItemSel = (pLILITEMSEL)lParam; if(pItemSel) { wsprintf(buf, TEXT("Item: %ld"), pItemSel->lIndex); MessageBox(hWnd, buf, TEXT("UnSelected"), MB_OK); } break; /* other code here */ } break; /* other code here */ } break; /* other code here */ } return DefWindowProc (hWnd, Message, wParam, lParam); }