{"id":476284,"date":"2023-08-09T07:28:31","date_gmt":"2023-08-09T07:28:31","guid":{"rendered":""},"modified":"2023-09-05T11:12:25","modified_gmt":"2023-09-05T11:12:25","slug":"clsid","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/clsid\/","title":{"rendered":"CLSID"},"content":{"rendered":"<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<p>CLSID, vi\u1ebft t\u1eaft c\u1ee7a M\u00e3 \u0111\u1ecbnh danh m\u00f4 h\u00ecnh \u0111\u1ed1i t\u01b0\u1ee3ng th\u00e0nh ph\u1ea7n (COM), l\u00e0 m\u1ed9t chu\u1ed7i ch\u1eef v\u00e0 s\u1ed1 duy nh\u1ea5t \u0111\u01b0\u1ee3c g\u00e1n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ed9t th\u00e0nh ph\u1ea7n ho\u1eb7c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ea7n m\u1ec1m trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh Microsoft Windows. N\u00f3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c giao ti\u1ebfp v\u00e0 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n m\u1ec1m kh\u00e1c nhau, cho ph\u00e9p ch\u00fang \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb v\u00e0 kh\u1edfi t\u1ea1o m\u1ed9t c\u00e1ch linh ho\u1ea1t trong th\u1eddi gian ch\u1ea1y.<\/p>\n<h2>L\u1ecbch s\u1eed v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a CLSID v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3.<\/h2>\n<p>Kh\u00e1i ni\u1ec7m M\u00f4 h\u00ecnh \u0111\u1ed1i t\u01b0\u1ee3ng th\u00e0nh ph\u1ea7n (COM) c\u00f3 t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 1990 khi Microsoft gi\u1edbi thi\u1ec7u n\u00f3 nh\u01b0 m\u1ed9t ti\u00eau chu\u1ea9n nh\u1ecb ph\u00e2n \u0111\u1ec3 t\u1ea1o v\u00e0 s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n m\u1ec1m tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng v\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau. \u00dd t\u01b0\u1edfng l\u00e0 cho ph\u00e9p t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n m\u1ec1m, gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p d\u1ec5 d\u00e0ng h\u01a1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng l\u1ea1i c\u00e1c m\u00f4-\u0111un m\u00e3 hi\u1ec7n c\u00f3.<\/p>\n<p>CLSID, nh\u01b0 m\u1ed9t ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a COM, \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u \u0111\u1ec3 cung c\u1ea5p m\u1ed9t c\u00e1ch ti\u00eau chu\u1ea9n h\u00f3a \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh duy nh\u1ea5t c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng COM. L\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn CLSID c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c do Microsoft ph\u00e1t h\u00e0nh trong nh\u1eefng ng\u00e0y \u0111\u1ea7u ph\u00e1t tri\u1ec3n COM.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 CLSID. M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 CLSID.<\/h2>\n<p>CLSID l\u00e0 m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t tr\u00ean to\u00e0n c\u1ea7u \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng gi\u00e1 tr\u1ecb 128 bit, th\u01b0\u1eddng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb d\u01b0\u1edbi d\u1ea1ng chu\u1ed7i th\u1eadp l\u1ee5c ph\u00e2n \u0111\u01b0\u1ee3c \u0111\u1eb7t trong d\u1ea5u ngo\u1eb7c nh\u1ecdn. V\u00ed d\u1ee5: CLSID c\u00f3 th\u1ec3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0y: {B54F3741-5B07-11CF-A4B0-00AA004A55E8}. Nh\u1eefng m\u00e3 \u0111\u1ecbnh danh n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i \u0111\u1ed1i t\u01b0\u1ee3ng COM c\u00f3 m\u1ed9t danh t\u00ednh ri\u00eang bi\u1ec7t trong h\u1ec7 th\u1ed1ng, ng\u0103n ng\u1eeba xung \u0111\u1ed9t v\u00e0 cho ph\u00e9p kh\u1edfi t\u1ea1o \u0111\u1ed1i t\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3.<\/p>\n<p>Khi m\u1ed9t \u1ee9ng d\u1ee5ng c\u1ea7n t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng COM c\u1ee5 th\u1ec3, n\u00f3 s\u1ebd s\u1eed d\u1ee5ng CLSID li\u00ean quan \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb v\u00e0 kh\u1edfi t\u1ea1o \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ed9t c\u00e1ch linh ho\u1ea1t. H\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows duy tr\u00ec m\u1ed9t s\u1ed5 \u0111\u0103ng k\u00fd c\u00f3 t\u00ean l\u00e0 \u201cCLSID Register\u201d \u00e1nh x\u1ea1 CLSID t\u1edbi v\u1ecb tr\u00ed th\u1ef1c t\u1ebf c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng COM t\u01b0\u01a1ng \u1ee9ng tr\u00ean h\u1ec7 th\u1ed1ng. S\u1ed5 \u0111\u0103ng k\u00fd n\u00e0y cho ph\u00e9p c\u00e1c \u1ee9ng d\u1ee5ng t\u00ecm th\u1ea5y c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft v\u00e0 g\u1ecdi c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang m\u00e0 kh\u00f4ng c\u1ea7n bi\u1ebft v\u1ecb tr\u00ed th\u1ef1c t\u1ebf c\u1ee7a ch\u00fang.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a CLSID. CLSID ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>CLSID 128 bit \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ed1n ph\u1ea7n: tr\u01b0\u1eddng Data1 32 bit, hai tr\u01b0\u1eddng Data2 v\u00e0 Data3 16 bit v\u00e0 m\u1ed9t m\u1ea3ng g\u1ed3m t\u00e1m gi\u00e1 tr\u1ecb 8 bit trong Data4. C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 t\u1ea1o ra m\u1ed9t m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t. C\u1ea5u tr\u00fac c\u1ee7a CLSID nh\u01b0 sau:<\/p>\n<pre><div class=\"bg-black rounded-md mb-4\"><div class=\"flex items-center relative text-gray-200 bg-gray-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md\"><span>scss<\/span><button class=\"flex ml-auto gap-2\"><svg stroke=\"currentColor\" fill=\"none\" stroke-width=\"2\" viewbox=\"0 0 24 24\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"h-4 w-4\" height=\"1em\" width=\"1em\" ><path d=\"M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2\"><\/path><rect x=\"8\" y=\"2\" width=\"8\" height=\"4\" rx=\"1\" ry=\"1\"><\/rect><\/svg>Sao ch\u00e9p m\u00e3<\/button><\/div><div class=\"p-4 overflow-y-auto\"><code class=\"!whitespace-pre hljs language-scss\" data-no-translation=\"\">| Data1 (<span class=\"hljs-number\">32<\/span> bits) | Data2 (<span class=\"hljs-number\">16<\/span> bits) | Data3 (<span class=\"hljs-number\">16<\/span> bits) | Data4 (<span class=\"hljs-number\">8<\/span>x8 bits) |\n<\/code><\/div><\/div><\/pre>\n<p>\u0110\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn v\u1edbi UUID ti\u00eau chu\u1ea9n, bit quan tr\u1ecdng nh\u1ea5t c\u1ee7a Data3 \u0111\u01b0\u1ee3c \u0111\u1eb7t th\u00e0nh 1. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng CLSID c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t v\u1edbi c\u00e1c \u0111\u1ecbnh d\u1ea1ng GUID kh\u00e1c.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a CLSID.<\/h2>\n<p>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a CLSID bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>T\u00ednh duy nh\u1ea5t<\/strong>: CLSID l\u00e0 duy nh\u1ea5t tr\u00ean to\u00e0n c\u1ea7u, khi\u1ebfn cho hai \u0111\u1ed1i t\u01b0\u1ee3ng COM kh\u00e1c nhau kh\u00f3 c\u00f3 th\u1ec3 c\u00f3 c\u00f9ng m\u1ed9t m\u00e3 \u0111\u1ecbnh danh.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1edfi t\u1ea1o \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ed9ng<\/strong>: B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng CLSID, c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c phi\u00ean b\u1ea3n c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng COM trong th\u1eddi gian ch\u1ea1y m\u00e0 kh\u00f4ng c\u1ea7n bi\u1ebft v\u1ecb tr\u00ed th\u1ef1c t\u1ebf c\u1ee7a ch\u00fang.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c<\/strong>: CLSID cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng COM tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng v\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau trong m\u00f4i tr\u01b0\u1eddng Windows.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: V\u1edbi kh\u00f4ng gian 128 bit, s\u1ed1 l\u01b0\u1ee3ng CLSID c\u00f3 th\u1ec3 c\u00f3 l\u00e0 r\u1ea5t l\u1edbn, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i l\u00e2u d\u00e0i cho vi\u1ec7c ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i CLSID<\/h2>\n<p>CLSID c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh hai lo\u1ea1i ch\u00ednh d\u1ef1a tr\u00ean m\u1ee5c \u0111\u00edch c\u1ee7a ch\u00fang:<\/p>\n<ol>\n<li>\n<p><strong>CLSID do h\u1ec7 th\u1ed1ng x\u00e1c \u0111\u1ecbnh<\/strong>: \u0110\u00e2y l\u00e0 c\u00e1c CLSID \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc \u0111\u01b0\u1ee3c h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows d\u00e0nh ri\u00eang cho c\u00e1c th\u00e0nh ph\u1ea7n, d\u1ecbch v\u1ee5 v\u00e0 giao di\u1ec7n h\u1ec7 th\u1ed1ng thi\u1ebft y\u1ebfu. CLSID do h\u1ec7 th\u1ed1ng x\u00e1c \u0111\u1ecbnh th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u b\u1eb1ng ti\u1ec1n t\u1ed1 {00020D, 00021A, 000214, v.v.}<\/p>\n<\/li>\n<li>\n<p><strong>CLSID t\u00f9y ch\u1ec9nh<\/strong>: Nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u1ea1o CLSID t\u00f9y ch\u1ec9nh cho \u0111\u1ed1i t\u01b0\u1ee3ng COM c\u1ee7a m\u00ecnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh duy nh\u1ea5t v\u00e0 tr\u00e1nh xung \u0111\u1ed9t v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c. CLSID t\u00f9y ch\u1ec9nh th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1c s\u1ed1 v\u00e0 b\u1ea3ng ch\u1eef c\u00e1i ng\u1eabu nhi\u00ean ho\u1eb7c c\u1ee5 th\u1ec3.<\/p>\n<\/li>\n<\/ol>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng hi\u1ec3n th\u1ecb c\u00e1c v\u00ed d\u1ee5 v\u1ec1 c\u1ea3 hai lo\u1ea1i:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>V\u00ed d\u1ee5 CLSID<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi h\u1ec7 th\u1ed1ng<\/td>\n<td>{00021401-0000-0000-C000-000000000046}<\/td>\n<\/tr>\n<tr>\n<td>Phong t\u1ee5c<\/td>\n<td>{F47AC10B-58EA-4DBE-A5A9-BD5C3C99A7E5}<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng CLSID, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng.<\/h2>\n<h3>S\u1eed d\u1ee5ng CLSID<\/h3>\n<ol>\n<li>\n<p><strong>Kh\u1edfi t\u1ea1o \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong>: C\u00e1c \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng CLSID \u0111\u1ec3 t\u1ea1o c\u00e1c phi\u00ean b\u1ea3n c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng COM v\u00e0 g\u1ecdi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c ho\u1eb7c thu\u1ed9c t\u00ednh truy c\u1eadp c\u1ee7a ch\u00fang.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u00e1m ph\u00e1 th\u00e0nh ph\u1ea7n<\/strong>: CLSID gi\u00fap \u0111\u1ecbnh v\u1ecb \u0111\u1ed1i t\u01b0\u1ee3ng COM t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng c\u00e1ch tra c\u1ee9u CLSID trong S\u1ed5 \u0111\u0103ng k\u00fd CLSID.<\/p>\n<\/li>\n<\/ol>\n<h3>V\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h3>\n<ol>\n<li>\n<p><strong>Xung \u0111\u1ed9t CLSID<\/strong>: Nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng CLSID t\u00f9y ch\u1ec9nh l\u00e0 duy nh\u1ea5t \u0111\u1ec3 tr\u00e1nh xung \u0111\u1ed9t v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 t\u1ea1o GUID ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt l\u1eadp phi\u00ean b\u1ea3n c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>Thi\u1ebfu th\u00e0nh ph\u1ea7n<\/strong>: N\u1ebfu \u0111\u1ed1i t\u01b0\u1ee3ng COM b\u1eaft bu\u1ed9c kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd ch\u00ednh x\u00e1c trong S\u1ed5 \u0111\u0103ng k\u00fd CLSID ho\u1eb7c b\u1ecb thi\u1ebfu, \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ecbnh v\u1ecb \u0111\u01b0\u1ee3c v\u00e0 kh\u1edfi t\u1ea1o \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00f3. C\u00e0i \u0111\u1eb7t l\u1ea1i th\u00e0nh ph\u1ea7n ho\u1eb7c s\u1eeda \u0111\u0103ng k\u00fd c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 c\u00e1c so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1 d\u01b0\u1edbi d\u1ea1ng b\u1ea3ng v\u00e0 danh s\u00e1ch.<\/h2>\n<h3>So s\u00e1nh v\u1edbi GUID (M\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t to\u00e0n c\u1ea7u)<\/h3>\n<table>\n<thead>\n<tr>\n<th>Di\u1ec7n m\u1ea1o<\/th>\n<th>CLSID<\/th>\n<th>H\u01af\u1edaNG D\u1eaaN<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u1ee5c \u0111\u00edch<\/td>\n<td>X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng COM trong m\u00f4i tr\u01b0\u1eddng Windows<\/td>\n<td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c nhu c\u1ea7u nh\u1eadn d\u1ea1ng duy nh\u1ea5t kh\u00e1c nhau<\/td>\n<\/tr>\n<tr>\n<td>C\u00e1ch s\u1eed d\u1ee5ng<\/td>\n<td>Nh\u1eadn d\u1ea1ng th\u00e0nh ph\u1ea7n COM<\/td>\n<td>M\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t cho m\u1ee5c \u0111\u00edch chung<\/td>\n<\/tr>\n<tr>\n<td>Chi\u1ec1u d\u00e0i<\/td>\n<td>128-bit (c\u00f3 c\u1ea5u tr\u00fac)<\/td>\n<td>128-bit (c\u00f3 c\u1ea5u tr\u00fac)<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ecbnh d\u1ea1ng<\/td>\n<td>{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}<\/td>\n<td>{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}<\/td>\n<\/tr>\n<tr>\n<td>Ti\u1ec1n t\u1ed1 chung<\/td>\n<td>{00020D, 00021A, 000214}<\/td>\n<td>{A, B, C, E, F, v.v.}<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn CLSID.<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ti\u1ebfn b\u1ed9, kh\u00e1i ni\u1ec7m CLSID c\u00f3 th\u1ec3 v\u1eabn ph\u00f9 h\u1ee3p trong m\u00f4i tr\u01b0\u1eddng Windows, \u0111\u1eb7c bi\u1ec7t khi xem x\u00e9t vai tr\u00f2 quan tr\u1ecdng c\u1ee7a n\u00f3 trong vi\u1ec7c cho ph\u00e9p kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c c\u1ee7a COM. Tuy nhi\u00ean, v\u1edbi b\u1ed1i c\u1ea3nh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 th\u1ea5y nh\u1eefng c\u1ea3i ti\u1ebfn v\u00e0 c\u1ea3i ti\u1ebfn trong c\u00e1ch qu\u1ea3n l\u00fd v\u00e0 \u0111\u0103ng k\u00fd CLSID.<\/p>\n<p>Trong t\u01b0\u01a1ng lai, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e2ng cao h\u01a1n \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u1ea1o v\u00e0 qu\u1ea3n l\u00fd CLSID, gi\u1ea3m nguy c\u01a1 xung \u0111\u1ed9t v\u00e0 h\u1ee3p l\u00fd h\u00f3a quy tr\u00ecnh kh\u00e1m ph\u00e1 th\u00e0nh ph\u1ea7n.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi CLSID.<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng CLSID cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau:<\/p>\n<ol>\n<li>\n<p><strong>Qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7 proxy<\/strong>: C\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u00e1n c\u00e1c CLSID duy nh\u1ea5t, gi\u00fap c\u00e1c \u1ee9ng d\u1ee5ng d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c ch\u1ee9c n\u0103ng proxy c\u1ee5 th\u1ec3 h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng t\u1ea3i<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng CLSID \u0111\u1ec3 ph\u00e2n ph\u1ed1i c\u00e1c y\u00eau c\u1ea7u m\u00e1y kh\u00e1ch \u0111\u1ebfn gi\u1eefa nhi\u1ec1u phi\u00ean b\u1ea3n c\u1ee7a c\u00f9ng m\u1ed9t th\u00e0nh ph\u1ea7n, \u0111\u1ea3m b\u1ea3o c\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c<\/strong>: Khi m\u00e1y ch\u1ee7 proxy t\u00edch h\u1ee3p v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n m\u1ec1m kh\u00e1c, ch\u00fang c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng CLSID \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c li\u1ec1n m\u1ea1ch trong m\u00f4i tr\u01b0\u1eddng Windows.<\/p>\n<\/li>\n<\/ol>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 CLSID v\u00e0 M\u00f4 h\u00ecnh \u0111\u1ed1i t\u01b0\u1ee3ng th\u00e0nh ph\u1ea7n (COM), h\u00e3y tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/com\/component-object-model--com--portal\" target=\"_new\" rel=\"noopener nofollow\">M\u1ea1ng nh\u00e0 ph\u00e1t tri\u1ec3n Microsoft (MSDN) - T\u1ed5ng quan v\u1ec1 COM<\/a><\/li>\n<li><a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/win32\/com\/clsid-structure\" target=\"_new\" rel=\"noopener nofollow\">M\u1ea1ng nh\u00e0 ph\u00e1t tri\u1ec3n Microsoft (MSDN) \u2013 T\u00e0i li\u1ec7u CLSID<\/a><\/li>\n<\/ol>","protected":false},"featured_media":476285,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476284","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>CLSID: Comprehensive Guide to Understanding the Component Object Model Identifier<\/mark>","faq_items":[{"question":"What is CLSID and what does it stand for?","answer":"<p>CLSID stands for Component Object Model Identifier. It is a unique alphanumeric string used to identify software components within the Microsoft Windows operating system. It plays a crucial role in enabling communication and interaction between various software components.<\/p>"},{"question":"How did CLSID come into existence?","answer":"<p>The concept of CLSID originated with the introduction of Component Object Model (COM) in the early 1990s by Microsoft. It was created to provide a standardized way of uniquely identifying COM objects, allowing for seamless integration and interoperability between software components.<\/p>"},{"question":"How does CLSID work?","answer":"<p>CLSID is a 128-bit identifier divided into four parts: a 32-bit Data1 field, two 16-bit Data2 and Data3 fields, and an array of eight 8-bit values in Data4. These components work together to create a unique identifier for each COM object. When an application needs to interact with a specific COM object, it uses the associated CLSID to locate and instantiate the object dynamically.<\/p>"},{"question":"What are the key features of CLSID?","answer":"<p>The key features of CLSID include uniqueness, dynamic object instantiation, interoperability, and scalability. CLSIDs are globally unique, allowing for the creation of instances of COM objects at runtime without knowing their physical locations. It enables seamless integration of COM objects across different programming languages and platforms within the Windows environment.<\/p>"},{"question":"What are the types of CLSID?","answer":"<p>There are two main types of CLSID: System-Defined and Custom. System-Defined CLSIDs are predefined by the Windows operating system for essential system components, services, and interfaces. Custom CLSIDs are created by developers for their COM objects to ensure uniqueness and avoid conflicts.<\/p>"},{"question":"How can CLSID be used with proxy servers?","answer":"<p>Proxy servers can utilize CLSIDs for various purposes, such as component management, load balancing, and interoperability. Assigning unique CLSIDs to proxy server software components allows applications to locate and interact with specific proxy functionalities. It also enables load balancing of client requests among multiple instances of the same component, ensuring optimal performance.<\/p>"},{"question":"What are the potential problems related to CLSID usage?","answer":"<p>One potential problem with CLSID is conflicts. Developers must ensure that custom CLSIDs are unique to avoid clashes with other components. Proper GUID generation tools or versioning techniques can help address this issue. Additionally, missing or incorrectly registered COM objects can lead to failures in locating and instantiating the required components. Reinstalling or fixing the registration can resolve this problem.<\/p>"},{"question":"What does the future hold for CLSID?","answer":"<p>While the concept of CLSID is likely to remain relevant, advancements in technology may lead to improved methods for generating and managing CLSIDs automatically. This could streamline the component discovery process and further enhance software integration and performance.<\/p>"},{"question":"How can I learn more about CLSID and its applications?","answer":"<p>For more in-depth information about CLSID and Component Object Model (COM), you can refer to the resources provided in the \"Related links\" section at the end of the article. These links include official Microsoft Developer Network (MSDN) documentation on COM overview and CLSID structure.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476284\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476285"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}