Click to See Complete Forum and Search --> : adding data to a combobox


kalesh777
March 2nd, 2006, 04:29 PM
I have made a combobox

hwndcountry=CreateWindow("COMBOBOX", "", WS_CHILD | WS_VISIBLE | ES_READONLY | CBS_DROPDOWNLIST| CBS_HASSTRINGS, 50,30,100,30, hwnd,(HMENU)5, ((LPCREATESTRUCT) lParam)->hInstance, NULL);


now how can I add items to it?

Code_Nerd
March 2nd, 2006, 06:32 PM
const char *countries[] = { "Afghanistan", "Aland Islands", "Albania", "Algeria", "American Samoa",
"Andorra", "Angola", "Anguilla", "Antarctica", "Antigua and Barbuda", "Argentina", "Armenia", "Aruba",
"Australia", "Austria", "Azerbaijan", "Bahamas", "Bahrain", "Bangladesh", "Barbados", "Belarus", "Belgium",
"Belize", "Benin", "Bermuda", "Bhutan", "Bolivia", "Bosnia and Herzegovina", "Botswana", "Bouvet Island",
"Brazil", "British Indian Ocean Territory", "Brunei Darussalam", "Bulgaria", "Burkina Faso", "Burundi", "Cambodia",
"Cameroon", "Canada", "Cape Verde", "Cayman Islands", "Central African Republic", "Chad", "Chile",
"China", "Christmas Island", "Cocos (Keeling) Islands", "Colombia", "Comoros", "Congo", "Cook Islands",
"Costa Rica", "Cote D'Ivoire", "Croatia", "Cuba", "Cyprus", "Czech Republic", "Denmark", "Djibouti",
"Dominica", "Dominican Republic", "Ecuador", "Egypt", "El Salvador", "Equatorial Guinea", "Eritrea",
"Estonia", "Ethiopia", "Falkland Islands", "Faroe Islands", "Fiji", "Finland", "France", "French Guiana",
"French Polynesia", "French Southern Territories", "Gabon", "Gambia", "Georgia", "Germany", "Ghana",
"Gibraltar", "Greece", "Greenland", "Grenada", "Guadeloupe", "Guam", "Guatemala", "Guinea", "Guinea-Bissau",
"Guyana", "Haiti", "Heard Island and Mcdonald Islands", "Vatican City", "Honduras", "Hong Kong", "Hungary",
"Iceland", "India", "Indonesia", "Iran", "Iraq", "Ireland", "Israel", "Italy", "Jamaica", "Japan", "Jordan",
"Kazakhstan", "Kenya", "Kiribati", "South Korea", "North Korea", "Kuwait", "Kyrgyzstan", "Laos", "Latvia",
"Lebanon", "Lesotho", "Liberia", "Libya", "Liechtenstein", "Lithuania", "Luxembourg", "Macao", "Macedonia",
"Madagascar", "Malawi", "Malaysia", "Maldives", "Mali", "Malta", "Marshall Islands", "Martinique",
"Mauritania", "Mauritius", "Mayotte", "Mexico", "Micronesia", "Moldova", "Monaco", "Mongolia", "Montserrat",
"Morocco", "Mozambique", "Myanmar", "Namibia", "Nauru", "Nepal", "Netherlands", "Netherlands Antilles",
"New Caledonia", "New Zealand", "Nicaragua", "Niger", "Nigeria", "Niue", "Norfolk Island", "Northern Mariana Islands",
"Norway", "Oman", "Pakistan", "Palau", "Palestinian Territory", "Panama", "Papua New Guinea", "Paraguay",
"Peru", "Philippines", "Pitcairn", "Poland", "Portugal", "Puerto Rico", "Qatar", "Reunion", "Romania",
"Russian Federation", "Rwanda", "Saint Helena", "Saint Kitts And Nevis", "Saint Lucia", "Saint Pierre and Miquelon",
"Saint Vincent and The Grenadines", "Samoa", "San Marino", "Sao Tome and Principe", "Saudi Arabia", "Senegal",
"Serbia and Montenegro", "Seychelles", "Sierra Leone", "Singapore", "Slovakia", "Slovenia", "Solomon Islands",
"Somalia", "South Africa", "Spain", "Sri Lanka", "Sudan", "Suriname", "Svalbard and Jan Mayen", "Swaziland",
"Sweden", "Switzerland", "Syrian Arab Republic", "Taiwan", "Tajikistan", "Tanzania", "Thailand", "Timor-Leste",
"Togo", "Tokelau", "Tonga", "Trinidad and Tobago", "Tunisia", "Turkey", "Turkmenistan", "Turks and Caicos Islands",
"Tuvalu", "Uganda", "Ukraine", "United Arab Emirates", "United Kingdom", "United States", "Uruguay", "Uzbekistan",
"Vanuatu", "Venezuela", "Vietnam", "Virgin Islands", "Wallis and Futuna", "Western Sahara", "Yemen", "Zambia",
"Zimbabwe"};

I will save you the trouble of having to type all the countries in.. ;)

Then just use SendMessage() to add the info to you ComboBox

olivthill
March 2nd, 2006, 06:40 PM
You add an items by sending a CB_ADDSTRING message, and you probably would need also a CB_SETITEMDATA message to set an index value.
For instance, you can have:

TCHAR *countries[2] = {"Belgium", "Netherlands"}; // or the list from Code_Nerd
int j;
for (j = 0; j < 2; j++) {
SendMessage(hwndcountry, CB_ADDSTRING, (WPARAM)(0), (LPARAM)(countries[j]));
SendMessage(hwndcountry, CB_SETITEMDATA, j, (LPARAM) j);
}
And in order to get the selected item, you can have:

TCHAR selected_country[100];
DWORD i, cur_sel;
cur_sel = SendMessage(hwndcountry, CB_GETCURSEL, 0, 0);
if (cur_sel != CB_ERR) {
i = SendMessage(hwndcountry, CB_GETITEMDATA, cur_sel, 0);
strcpy(selected_country, countries[i]);
}