{"id":102525,"date":"2021-09-09T09:26:28","date_gmt":"2021-09-09T01:26:28","guid":{"rendered":"https:\/\/www.keaglegz.com\/102525.html"},"modified":"2021-09-09T09:26:28","modified_gmt":"2021-09-09T01:26:28","slug":"%e5%ae%9e%e7%8e%b0%e7%a8%8b%e5%ba%8f%e5%8f%aa%e5%90%af%e5%8a%a8%e4%b8%80%e6%ac%a1%e5%ae%9e%e7%8e%b0%e7%a8%8b%e5%ba%8f%e8%87%aa%e9%87%8d%e5%90%afvc","status":"publish","type":"post","link":"https:\/\/www.dongwubaike.cn\/fanhao\/102525.html","title":{"rendered":"\u5b9e\u73b0\u7a0b\u5e8f\u53ea\u542f\u52a8\u4e00\u6b21(\u5b9e\u73b0\u7a0b\u5e8f\u81ea\u91cd\u542f)(VC++)"},"content":{"rendered":"\n

\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4e0d\u80fd\u6709\u591a\u4e2a\u5b9e\u4f8b\u8fd0\u884c\uff0c\u5e76\u4e14\u9700\u8981\u7a0b\u5e8f\u81ea\u5df1\u53ef\u4ee5\u91cd\u542f(\u91cd\u65b0\u8fd0\u884c)\uff0c\u6240\u4ee5\u4ee3\u7801\u5982\u679c\u4e0b\u4ee3\u7801\uff1a<\/p>\n

static void Main()   {       bool createNew;       using (System.Threading.Mutex m = new System.Threading.Mutex(true, Application.ProductName, out createNew))       {           if (createNew)           {               Application.EnableVisualStyles();               Application.SetCompatibleTextRenderingDefault(false);               Application.Run(new Form1());           }           else           {               MessageBox.Show(\"Only one instance of this application is allowed!\");           }       }   } <\/pre>\n
Boolean createdNew; \/\/\u8fd4\u56de\u662f\u5426\u8d4b\u4e88\u4e86\u4f7f\u7528\u7ebf\u7a0b\u7684\u4e92\u65a5\u4f53\u521d\u59cb\u6240\u5c5e\u6743
 System.Threading.Mutex instance = new System.Threading.Mutex(true, “MutexName”, out createdNew); \/\/\u540c\u6b65\u57fa\u5143\u53d8\u91cf
 if (createdNew) \/\/\u8d4b\u4e88\u4e86\u7ebf\u7a0b\u521d\u59cb\u6240\u5c5e\u6743\uff0c\u4e5f\u5c31\u662f\u9996\u6b21\u4f7f\u7528\u4e92\u65a5\u4f53
 {
 Application.Run(new Form1()); \/s\/\u8fd9\u53e5\u662f\u7cfb\u7edf\u81ea\u52a8\u5199\u7684
 instance.ReleaseMutex();
 }
 else
 {
 MessageBox.Show(“\u5df2\u7ecf\u542f\u52a8\u4e86\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u8bf7\u5148\u9000\u51fa\uff01”,”\u7cfb\u7edf\u63d0\u793a”,MessageBoxButtons.OK,MessageBoxIcon.Error);
 Application.Exit();
 }<\/p>\n
\u7528\u4ee5\u4e0a\u4ee3\u7801\u5b9e\u73b0\u4e86\u7981\u6b62\u591a\u91cd\u542f\u52a8\u7684\u529f\u80fd\u3002
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 Process.Start(Process.GetCurrentProcess().ProcessName + “.exe”);
 Application.Exit();
 \u8fd9\u65f6\u5c31\u51fa\u73b0\u4e00\u4e2a\u95ee\u9898\uff0c\u7a0b\u5e8f\u81ea\u52a8\u5173\u95ed\u91cd\u542f\u7684\u65f6\u5019\u5c31\u4f1a\u63d0\u793a\u5df2\u7ecf\u542f\u52a8\u4e86\u4e00\u4e2a\u7a0b\u5e8f\u4e86\u3002
 \u8bf7\u95ee\u5e94\u8be5\u600e\u4e48\u89e3\u51b3\uff1f
 \u5173\u95ed\u4e4b\u540e\u8fc7\u4e00\u4f1a\u513f\u518d\u542f\u52a8\u662f\u6ca1\u95ee\u9898\u7684\u3002
 \u4f46\u662f\u73b0\u5728\u81ea\u52a8\u5173\u95ed\uff0c\u81ea\u52a8\u91cd\u542f\u6709\u7684\u65f6\u5019\u80fd\u6210\u529f\uff0c\u6709\u7684\u65f6\u5019\u5c31\u88ab\u7981\u6b62\u591a\u91cd\u542f\u52a8\u7684\u90a3\u4e2a\u622a\u4f4f\u4e86\u3002
 \u90a3\u5c31\u5fc5\u987b\u624b\u52a8\u91cd\u65b0\u542f\u52a8\u4e86\u3002
 \u6bd4\u5982\uff0c\u70b9\u3010\u91cd\u65b0\u542f\u52a8\u3011\u6309\u94ae\u7684\u65f6\u5019\u6267\u884c\u4ee5\u4e0b\u4ee3\u7801\uff1a
 Process.Start(Process.GetCurrentProcess().ProcessName + “.exe”);
 Application.Exit();
 \u8fd9\u65f6\u5b83\u662f\u5148\u542f\u52a8\u4e00\u4e2a\u65b0\u7684Process\u7136\u540e\u624d\u9000\u51fa\u5f53\u524d\u7a0b\u5e8f\u3002
 \u8fd9\u65f6\u5c31\u4f1a\u5728Program.cs\u91cc\u9047\u5230\u7981\u6b62\u591a\u91cd\u542f\u52a8\u7684\u90a3\u6bb5\u4ee3\u7801\u3002\u5c31\u4e0d\u80fd\u81ea\u52a8\u542f\u52a8\u4e86<\/p>\n
\u89e3\u51b3\u65b9\u6848
 \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013
 \u89e3\u51b3\u65b9\u6cd5\u4e00\uff1a
 \u4e00\u822c\u7a0b\u5e8f\uff1a
 \u56e0\u4e3a\u8fdb\u7a0b\u8fd8\u6ca1\u6709\u4e2d\u6b62,\u8fd8\u5360\u5728\u5185\u5b58\u4e2d\u6240\u4ee5\u624d\u4f1a\u62a5\u9519.
 \u51fa\u73b0\u8fd9\u79cd\u539f\u56e0\u7684\u60c5\u51b5\u53ef\u80fd\u662f:\u4f7f\u7528\u591a\u7ebf\u7a0b,\u5176\u4e2d\u7684\u7ebf\u7a0b\u6ca1\u6709\u6267\u884c\u7ed3\u675f,\u4e5f\u6ca1\u6709\u88ab\u7f6e\u4e3a\u540e\u53f0\u7ebf\u7a0b,\u6240\u4ee5\u867d\u7136\u5e94\u7528\u7a0b\u5e8f\u5173\u95ed,\u4f46\u8fdb\u7a0b\u4ecd\u9a7b\u7559\u5728\u5185\u5b58\u4e2d.
 \u53ef\u4ee5\u4f7f\u7528Application.ExitThread();\u4e2d\u6b62\u8fdb\u7a0b\u4e2d\u7684\u6240\u6709\u7ebf\u7a0b.
 \u4e5f\u53ef\u4ee5\u5728\u8fdb\u7a0b\u6267\u884c\u4e2d\u83b7\u5f97\u8fdb\u7a0b\u7684ID,\u7136\u540e\u901a\u8fc7Process.GetProcessById()\u83b7\u5f97\u8fd9\u4e2a\u8fdb\u7a0b,\u7136\u540e\u5c06\u5b83Kill\u6389,\u518d\u542f\u52a8\u65b0\u7684\u8fdb\u7a0b.<\/p>\n
\u89e3\u51b3\u65b9\u6cd5\u4e8c\uff1a
 \u8981\u4e0d\u5c31\u5728\u7528\u6237\u70b9[\u91cd\u65b0\u542f\u52a8]\u65f6\uff0c\u628amutex\u5148\u91ca\u653e\u6389\uff1f\u53ef\u80fd\u9700\u8981\u628a\u90a3\u4e2amutex\u53d8\u91cf\u505a\u6210\u4e00\u4e2aglobal\uff0c\u8fd9\u6837\u4f60\u5728\u4e24\u4e2a\u5730\u65b9\u90fd\u80fd\u8bbf\u95ee\u5230\u3002\u7136\u540e\u5728\u7a0b\u5e8f\u9000\u51fa\u65f6\uff08Application.Run\u4e0b\u9762\u90a3\u4e00\u53e5\uff09\uff0c\u68c0\u67e5\u4e00\u4e0b\u5982\u679cmutex\u5df2\u7ecf\u88ab\u91ca\u653e\u4e86\uff0c\u5c31\u4e0d\u8981\u518d\u91ca\u653e\u4e86\u3002<\/p>\n
\u89e3\u51b3\u65b9\u6cd5\u4e09\uff1a
 \u6216\u8005\u5c31\u5728\u70b9[\u91cd\u65b0\u542f\u52a8]\u65f6\u518d\u8bbe\u53e6\u5916\u4e00\u4e2a\u4e0d\u540c\u7684\u4fe1\u53f7\u91cf\uff0c\u5f53\u7b2c\u4e8c\u4e2a\u7a0b\u5e8f\u91cd\u5165\u65f6\u5982\u679c\u770b\u5230\u8fd9\u4e2a\u4fe1\u53f7\u91cf\u8bf4\u660e\u662f\u81ea\u52a8\u91cd\u542f\u7684\u60c5\u51b5\uff0c\u5c31\u4e0d\u62a5\u9519\u800c\u76f4\u63a5\u6b63\u5e38\u5f80\u4e0b\u8d70\u4e86\u3002\u8fd9\u4e2a\u4fe1\u53f7\u91cf\u53ef\u4ee5\u5728\u7b2c\u4e00\u4e2a\u7a0b\u5e8f[\u91cd\u65b0\u542f\u52a8]\u90a3\u91cc\u6267\u884c\u5b8c\u540e\u518d\u91ca\u653e\uff0c\u4e0d\u8fc7\u5e94\u8be5\u4e5f\u53ef\u4ee5\u5728\u6574\u4e2a\u7a0b\u5e8f\u9000\u51fa\u65f6\u68c0\u67e5\u4e00\u4e0b\u5982\u679c\u5b58\u5728\u5c31\u91ca\u653e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4e0d\u80fd\u6709\u591a\u4e2a\u5b9e\u4f8b\u8fd0\u884c\uff0c\u5e76\u4e14\u9700\u8981\u7a0b\u5e8f\u81ea\u5df1\u53ef\u4ee5\u91cd\u542f(\u91cd\u65b0\u8fd0\u884c)\uff0c\u6240\u4ee5\u4ee3\u7801\u5982\u679c\u4e0b\u4ee3\u7801\uff1a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-102525","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/posts\/102525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/comments?post=102525"}],"version-history":[{"count":0,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/posts\/102525\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/media?parent=102525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/categories?post=102525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dongwubaike.cn\/fanhao\/wp-json\/wp\/v2\/tags?post=102525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}