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86 lines
2.4 KiB
86 lines
2.4 KiB
#include <windows.h>
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LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
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HINSTANCE g_hinst;
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int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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PWSTR lpCmdLine, int nCmdShow) {
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HWND hwnd;
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MSG msg ;
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WNDCLASSW wc = {0};
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wc.lpszClassName = L"Application";
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wc.hInstance = hInstance ;
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wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
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wc.lpfnWndProc = WndProc ;
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wc.hCursor = LoadCursor(0,IDC_ARROW);
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g_hinst = hInstance;
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RegisterClassW(&wc);
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hwnd = CreateWindowW(wc.lpszClassName, L"Combo box",
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WS_OVERLAPPEDWINDOW | WS_VISIBLE,
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100, 100, 270, 170, 0, 0, hInstance, 0);
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while (GetMessage(&msg, NULL, 0, 0)) {
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DispatchMessage(&msg);
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}
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return (int) msg.wParam;
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}
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LRESULT CALLBACK WndProc(HWND hwnd, UINT msg,
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WPARAM wParam, LPARAM lParam) {
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static HWND hwndCombo, hwndStatic;
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const wchar_t *items[] = { L"FreeBSD", L"OpenBSD",
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L"NetBSD", L"Solaris", L"Arch" };
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switch(msg) {
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case WM_CREATE:
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hwndCombo = CreateWindowW(L"Combobox", NULL,
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WS_CHILD | WS_VISIBLE | CBS_DROPDOWN,
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10, 10, 120, 110, hwnd, NULL, g_hinst, NULL);
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CreateWindowW(L"Button", L"Drop down",
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WS_CHILD | WS_VISIBLE,
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150, 10, 90, 25, hwnd, (HMENU) 1, g_hinst, NULL);
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hwndStatic = CreateWindowW(L"Static", L"",
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WS_CHILD | WS_VISIBLE,
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150, 80, 90, 25, hwnd, NULL, g_hinst, NULL);
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for (int i = 0; i < 4; i++ ) {
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SendMessageW(hwndCombo, CB_ADDSTRING, 0, (LPARAM) items[i]);
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}
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break;
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case WM_COMMAND:
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if (HIWORD(wParam) == BN_CLICKED) {
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SendMessage(hwndCombo, CB_SHOWDROPDOWN, (WPARAM) TRUE, 0);
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}
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if (HIWORD(wParam) == CBN_SELCHANGE) {
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LRESULT sel = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
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SetWindowTextW(hwndStatic, items[sel]);
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}
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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}
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return DefWindowProcW(hwnd, msg, wParam, lParam);
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}
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