set value of static bex to value selected in combo box SendMessage(hwndCombo,CB_GETLBTEXT, sel,(LPARAM)strText) LRESULT sel = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0) SendMessage(hwndCombo, CB_ADDSTRING, 0, (LPARAM) items) HwndStatic = CreateWindow(TEXT('static'), TEXT(''), WS_CHILD | WS_VISIBLE|WS_BORDER,150, 10, 90, 25, hwnd, NULL, g_hinst, NULL) HwndCombo = CreateWindow(TEXT('combobox'), NULL, WS_CHILD | WS_VISIBLE | CBS_DROPDOWN,10, 10, 120, 110, hwnd, NULL, g_hinst, NULL) LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)Ĭonst TCHAR *items = Hwnd = CreateWindow(wc.lpszClassName, TEXT('Combo Box'),WS_OVERLAPPEDWINDOW | WS_VISIBLE, 100, 100, 270, 170, 0, 0, hInstance, 0) Wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE) Int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,PWSTR lpCmdLine, int nCmdShow) LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM)

Selecting (clicking) any item will result in the value being displayed in the static box. The following messages are sent to both populate the combo box and detect changes –ĬB_ADDSTRING – Adds a string to the list box of a combo box.ĬBN_SELCHANGE – Sent when the user changes the current selection in the list box of a combo box.ĬB_GETCURSEL – sends to the combobox to retrieve the index of the currently selected item.ĬB_GETLBTEXT – retrieves a string from the list of a combo box.

The following short program displays a dropdown list or combo box.

C++ combobox getwindowtext