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73 lines
1.7 KiB
73 lines
1.7 KiB
#include <windows.h>
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#include <stdbool.h>
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LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
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int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
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PWSTR lpCmdLine, int nCmdShow) {
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MSG msg;
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WNDCLASSW wc = {0};
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wc.lpszClassName = L"Check Box";
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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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RegisterClassW(&wc);
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CreateWindowW(wc.lpszClassName, L"Check Box",
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WS_OVERLAPPEDWINDOW | WS_VISIBLE,
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150, 150, 230, 150, 0, 0, hInstance, 0);
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while (GetMessage(&msg, NULL, 0, 0)) {
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TranslateMessage(&msg);
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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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bool checked = true;
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switch(msg) {
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case WM_CREATE:
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CreateWindowW(L"Button", L"Show Title",
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WS_VISIBLE | WS_CHILD | BS_CHECKBOX,
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20, 20, 185, 35, hwnd, (HMENU) 1,
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NULL, NULL);
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CheckDlgButton(hwnd, 1, BST_CHECKED);
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break;
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case WM_COMMAND:
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checked = IsDlgButtonChecked(hwnd, 1);
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if (checked) {
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CheckDlgButton(hwnd, 1, BST_UNCHECKED);
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SetWindowTextW(hwnd, L"");
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} else {
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CheckDlgButton(hwnd, 1, BST_CHECKED);
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SetWindowTextW(hwnd, L"Check Box");
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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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