{"id":8713,"date":"2023-02-01T13:13:22","date_gmt":"2023-02-01T05:13:22","guid":{"rendered":"https:\/\/blog.iyatt.com\/?p=8713"},"modified":"2024-05-05T14:18:24","modified_gmt":"2024-05-05T06:18:24","slug":"windows-%e6%88%aa%e5%9b%be%e7%ae%80%e5%8d%95%e5%ae%9e%e7%8e%b0-windows-api-%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/blog.iyatt.com\/?p=8713","title":{"rendered":"Windows \u622a\u56fe\u7b80\u5355\u5b9e\u73b0 &#8211; Windows API"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.iyatt.com\/?p=8713\/#%E7%8E%AF%E5%A2%83\" >\u73af\u5883<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.iyatt.com\/?p=8713\/#%E4%BB%A3%E7%A0%81\" >\u4ee3\u7801<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E7%8E%AF%E5%A2%83\"><\/span>\u73af\u5883<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Windows 11 \u4e13\u4e1a\u5de5\u4f5c\u7ad9\u7248 22H2<br \/>\nVisual Studio 2022 \u4e13\u4e1a\u7248<\/p>\n<p>\u4f7f\u7528 Unicode \u5b57\u7b26\u96c6\uff0cC17 \u6807\u51c6\u7f16\u8bd1\uff0c64 \u4f4d\u7f16\u8bd1<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E4%BB%A3%E7%A0%81\"><\/span>\u4ee3\u7801<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<pre><code class=\"language-c\">\/**\n* @file screenshot.c\n* @author IYATT-yx\n* @brief Windows \u622a\u56fe\n* @version 0.1\n* @data 2023.2.1\n* @details \n*   \u4f7f\u7528\uff1a\n*               \u8fd0\u884c\u540e\uff0c\u9f20\u6807\u5de6\u952e\u6309\u4e0b\u7136\u540e\u62d6\u52a8\u9009\u62e9\u622a\u56fe\u8303\u56f4\uff0c\u653e\u5f00\u9f20\u6807\u622a\u56fe\u5230\u526a\u5207\u677f\n*               \u6309 Esc \u9000\u51fa\u622a\u56fe\u754c\u9762\n* \n*   \u5f00\u53d1\u73af\u5883\uff1a   Windows 11 \u4e13\u4e1a\u5de5\u4f5c\u7ad9\u7248 22H2\n*               Visual Studio 2022 \u4e13\u4e1a\u7248\n*               \u4f7f\u7528 Unicode \u5b57\u7b26\u96c6\n*               C17 \u6807\u51c6\uff0c64 \u4f4d\u7f16\u8bd1\n*\/\n#include &lt;Windows.h&gt;\n\nint g_screen_width, g_screen_height; \/\/ \u4fdd\u5b58\u5c4f\u5e55\u5206\u8fa8\u7387\nHDC g_memory_DC; \/\/ \u7528\u4e8e\u5b58\u653e\u56fe\u50cf\nRECT g_rect; \/\/ \u77e9\u5f62\u533a\u57df\uff0c\u7528\u4e8e\u5b58\u653e\u9009\u62e9\u6846\u7684\u4f4d\u7f6e\u4fe1\u606f\n\n\/**\n* @brief \u6355\u6349\u6574\u4e2a\u684c\u9762\u7684\u56fe\u50cf\n*\/\nvoid capture_desktop()\n{\n    HDC display_DC = CreateDC(L&quot;DISPLAY&quot;, NULL, NULL, NULL); \/\/ \u4e3a\u4e3b\u663e\u793a\u8bbe\u5907\u521b\u5efa\u8bbe\u5907\u63cf\u8ff0\u8868\n    g_screen_width = GetDeviceCaps(display_DC, HORZRES); \/\/ \u83b7\u53d6\u5c4f\u5e55\u5bbd\u5ea6\n    g_screen_height = GetDeviceCaps(display_DC, VERTRES); \/\/ \u83b7\u53d6\u5c4f\u5e55\u9ad8\u5ea6\n    g_memory_DC = CreateCompatibleDC(display_DC);  \/\/ \u521b\u5efa\u663e\u793a\u8bbe\u5907\u7684\u5185\u5b58 DC\n    HBITMAP hCanvas = CreateCompatibleBitmap(display_DC, g_screen_width, g_screen_height); \/\/ \u521b\u5efa\u4e0e\u663e\u793a\u8bbe\u5907\u5173\u8054\u7684\u4f4d\u56fe\u7528\u4f5c\u753b\u5e03\n    SelectObject(g_memory_DC, hCanvas); \/\/ \u5c06\u653e\u5165\u5185\u5b58 DC \u7684\u5185\u5b58\u4e2d\n    BitBlt(g_memory_DC, 0, 0, g_screen_width, g_screen_height, display_DC, 0, 0, SRCCOPY); \/\/ \u5c06\u5c4f\u5e55\u663e\u793a\u7684\u5185\u5bb9\u62f7\u8d1d\u5230\u5185\u5b58 DC \u4e2d\n}\n\n\/**\n * @brief \u5c06\u6570\u636e\u62f7\u8d1d\u5230\u526a\u5207\u677f\n*\/\nvoid copy_bitmap_to_clipboard()\n{\n    HDC display_DC = CreateDC(L&quot;DISPLAY&quot;, NULL, NULL, NULL);\n    int width = g_rect.right - g_rect.left;\n    int height = g_rect.bottom - g_rect.top;\n    HDC memory_DC = CreateCompatibleDC(display_DC);\n    HBITMAP hCanvas = CreateCompatibleBitmap(display_DC, width, height);\n    HBITMAP hOldMap = SelectObject(memory_DC, hCanvas);\n    BitBlt(memory_DC, 0, 0, width, height, display_DC, g_rect.left, g_rect.top, SRCCOPY);\n    HBITMAP hNewMap = SelectObject(memory_DC, hOldMap);\n\n    OpenClipboard(NULL); \/\/ \u6253\u5f00\u526a\u5207\u677f\n    EmptyClipboard(); \/\/ \u6e05\u7a7a\u526a\u5207\u677f\n    SetClipboardData(CF_BITMAP, hNewMap); \/\/ \u5c06\u4f4d\u56fe\u6570\u636e\u62f7\u8d1d\u5230\u526a\u5207\u677f\n    CloseClipboard(); \/\/ \u5173\u95ed\u526a\u5207\u677f\n}\n\nLRESULT WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)\n{\n    switch (msg)\n    {\n        case WM_CREATE: \/\/ \u7a97\u53e3\u521b\u5efa\u524d\n        {\n            capture_desktop();\n            break;\n        }\n        case WM_LBUTTONDOWN: \/\/ \u9f20\u6807\u5de6\u952e\u6309\u4e0b\n        {\n            POINT pt;\n            GetCursorPos(&amp;pt); \/\/ \u83b7\u53d6\u9f20\u6807\u5149\u6807\u7684\u4f4d\u7f6e\n            g_rect.left = pt.x;\n            g_rect.top = pt.y;\n            g_rect.right = pt.x;\n            g_rect.bottom = pt.y;\n            InvalidateRgn(hWnd, 0, TRUE); \/\/ \u6709\u66f4\u65b0\u5185\u5bb9\u5c31\u53d1\u9001\u7ed8\u56fe\u6d88\u606f\n            break;\n        }\n        case WM_LBUTTONUP: \/\/ \u9f20\u6807\u5de6\u952e\u653e\u5f00\n        {\n            POINT pt;\n            GetCursorPos(&amp;pt);\n            g_rect.right = pt.x;\n            g_rect.bottom = pt.y;\n            InvalidateRgn(hWnd, 0, TRUE);\n            copy_bitmap_to_clipboard();\n            break;\n        }\n        case WM_PAINT: \/\/ \u7ed8\u56fe\n        {\n            LOGPEN pen;\n            pen.lopnColor = RGB(255, 0, 0); \/\/ \u622a\u56fe\u9009\u62e9\u6846\u7684\u989c\u8272 - \u7ea2\n            pen.lopnStyle = PS_SOLID; \/\/ \u622a\u56fe\u9009\u62e9\u6846\u7684\u7ebf\u578b - \u5b9e\u7ebf\n            pen.lopnWidth = (POINT){2, 2}; \/\/ \u622a\u56fe\u6846\u7684\u7ebf\u5bbd\n            HPEN hPen = CreatePenIndirect(&amp;pen); \/\/ \u753b\u7b14\uff0c\u7528\u4e8e\u7ed8\u5236\u56fe\n            LOGBRUSH brush;\n            brush.lbStyle = BS_NULL;\n            HBRUSH hBrush = CreateBrushIndirect(&amp;brush); \/\/ \u753b\u5237\uff0c\u540c\u4e8e\u586b\u5145\u56fe\u5f62\u5185\u90e8\n\n            PAINTSTRUCT ps;\n            HDC hdc = BeginPaint(hWnd, &amp;ps); \/\/ \u5f00\u59cb\u7ed8\u56fe\n            HGDIOBJ hOldBrush = SelectObject(hdc, hBrush); \/\/ \u5207\u6362\u753b\u5237\n            HGDIOBJ hOldPen = SelectObject(hdc, hPen); \/\/ \u5207\u6362\u753b\u7b14\n            BitBlt(hdc, 0, 0, g_screen_width, g_screen_height, g_memory_DC, 0, 0, SRCCOPY); \/\/ \u4ece\u5185\u5b58 DC \u4e2d\u590d\u5236\u6355\u6349\u7684\u56fe\u50cf\u6570\u636e\u5230\u7a97\u53e3\u4e2d\n            Rectangle(hdc, g_rect.left, g_rect.top, g_rect.right, g_rect.bottom); \/\/ \u7ed8\u5236\u56fe\u50cf\u9009\u62e9\u6846\n            SelectObject(hdc, hOldBrush); \/\/ \u6362\u56de\u9ed8\u8ba4\u753b\u5237\n            SelectObject(hdc, hOldPen);  \/\/ \u6362\u56de\u9ed8\u8ba4\u753b\u7b14\n            EndPaint(hWnd, &amp;ps); \/\/ \u7ed3\u675f\u7ed8\u56fe\n            break;\n        }\n        case WM_CLOSE: \/\/ \u70b9\u51fb\u5173\u95ed\u6309\u94ae\n        {\n            DestroyWindow(hWnd);\n            break;\n        }\n        case WM_KEYDOWN: \/\/ \u6309 Esc \u9000\u51fa\n        {\n            if (wParam == 27)\n            {\n                PostMessage(hWnd, WM_CLOSE, 0, 0); \/\/ \u53d1\u9001\u9000\u51fa\u4fe1\u53f7\n            }\n            break;\n        }\n        case WM_DESTROY: \/\/ \u7a97\u53e3\u9500\u6bc1\u540e\n        {\n            PostQuitMessage(0); \/\/ \u9000\u51fa\u6d88\u606f\u5faa\u73af\n            break;\n        }\n        default:\n        {\n            return DefWindowProc(hWnd, msg, wParam, lParam);\n        }\n    }\n    return 0;\n}\n\nint WINAPI wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPreHinstance, _In_ LPWSTR lpCmdLine, _In_ int nCmdShow)\n{\n    \/\/ \u6ce8\u518c\u7a97\u53e3\u7c7b\n    PCWSTR szClassName = L&quot;Desktop&quot;;\n    WNDCLASSEX wc = {0};\n    wc.cbSize = sizeof(WNDCLASSEX);\n    wc.lpfnWndProc = WndProc;\n    wc.lpszClassName = szClassName; \n    wc.hCursor = LoadCursor(NULL, IDC_CROSS); \/\/ \u9f20\u6807\u5149\u6807\u8bbe\u7f6e\u4e3a\u5341\u5b57\u952e\u5934\n\n    if (!RegisterClassEx(&amp;wc))\n    {\n        MessageBox(NULL, L&quot;\u6ce8\u518c\u7a97\u53e3\u5931\u8d25\uff01&quot;, L&quot;\u9519\u8bef&quot;, MB_OK);\n        return 1;\n    }\n\n    \/\/ \u521b\u5efa\u7a97\u53e3 - WS_POPUP \u5f39\u51fa\u7a97\u53e3\uff0c\u6ca1\u6709\u6807\u9898\u680f\n    HWND hWnd = CreateWindowEx(WS_EX_OVERLAPPEDWINDOW, szClassName, L&quot;\u622a\u56fe&quot;, WS_POPUP, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL);\n    if (!hWnd)\n    {\n        MessageBox(NULL, L&quot;\u521b\u5efa\u7a97\u53e3\u5931\u8d25&quot;, L&quot;\u9519\u8bef&quot;, MB_OK);\n        return 1;\n    }\n\n    \/\/ \u663e\u793a\u7a97\u53e3\n    ShowWindow(hWnd, SW_MAXIMIZE); \/\/ \u8bbe\u7f6e\u6700\u5927\u5316\u663e\u793a\n    UpdateWindow(hWnd);\n\n    \/\/ \u6d88\u606f\u5faa\u73af\n    MSG msg = {0};\n    while (GetMessage(&amp;msg, NULL, 0, 0))\n    {\n        DispatchMessage(&amp;msg);\n    }\n\n    return (int)msg.wParam;\n}<\/code><\/pre>\n<p>\u6309\u4e0b\u5de6\u952e\u62c9\u52a8\u9009\u62e9\u622a\u56fe\u8303\u56f4\uff0c\u653e\u5f00\u5de6\u952e\u62f7\u8d1d\u5230\u526a\u5207\u677f<br \/>\n<img decoding=\"async\" data-src=\"https:\/\/blog.iyatt.com\/wp-content\/uploads\/2023\/02\/image-1675228352574.png\" alt=\"file\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 777px; --smush-placeholder-aspect-ratio: 777\/756;\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u73af\u5883 Windows 11 \u4e13\u4e1a\u5de5\u4f5c\u7ad9\u7248 22H2 Visual Studio 2022 \u4e13\u4e1a\u7248 \u4f7f\u7528 Uni [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"zakra_page_container_layout":"customizer","zakra_page_sidebar_layout":"customizer","zakra_remove_content_margin":false,"zakra_sidebar":"customizer","zakra_transparent_header":"customizer","zakra_logo":0,"zakra_main_header_style":"default","zakra_menu_item_color":"","zakra_menu_item_hover_color":"","zakra_menu_item_active_color":"","zakra_menu_active_style":"","zakra_page_header":true,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[1,593],"tags":[],"class_list":["post-8713","post","type-post","status-publish","format-standard","hentry","category-all","category-windows-api"],"modified_by":"IYATT-yx","_links":{"self":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/8713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8713"}],"version-history":[{"count":0,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=\/wp\/v2\/posts\/8713\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.iyatt.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}