// This shows how to attach a tooltip to a control,
// and make it a balloon shaped.
// Thanks go to Saar(tornado@goblineye.com) for this code!!
// Create the tooltip
// The tooltip is created as top-most so the parent will never hide it
// Also, created as a cool baloon tooltip
HWND hwndTool = CreateWindowEx(WS_EX_TOPMOST, TOOLTIPS_CLASS, NULL, WS_POPUP | TTS_BALLOON, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, hDlg, NULL, g_hInstance, NULL);
TOOLINFO toolInfo;
toolInfo.cbSize = sizeof(toolInfo);
// The tooltip subclasses the tool it uses so it can intercept messages like WM_MOUSEMOVE etc,
// we also mention the uId will be the handle to the tool
toolInfo.uFlags = TTF_IDISHWND | TTF_SUBCLASS;
// Handle to the window that contains the tool
toolInfo.hwnd = hDlg;
// Handle to the tool (in this case: a listview control)
toolInfo.uId = (unsigned int)GetDlgItem(hDlg, IDC_MAINLISTCTRL);
// The text that always appears
toolInfo.lpszText = "Some useful info";
// Add the tool to the control
SendMessage(hwndTool, TTM_ADDTOOL, 0, (LPARAM)&toolInfo);
// Set a nice title to the baloon
SendMessage(hwndTool, TTM_SETTITLE, 1, (LPARAM)"Title of tooltip");
// Activate the tooltip
SendMessage(hwndTool, TTM_ACTIVATE, true, 0);
// and viola, finished.
// Remember to destroy the window later when you're done
DestroyWindow(hwndTool);
BTW - Don't forget to init common controls ( for the list view )!
INITCOMMONCONTROLSEX icex;
icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
icex.dwICC = ICC_TREEVIEW_CLASSES;
InitCommonControlsEx(&icex); | 