{"id":749,"date":"2021-09-07T14:35:50","date_gmt":"2021-09-07T06:35:50","guid":{"rendered":"http:\/\/www.wayln.com\/?p=749"},"modified":"2021-09-07T14:52:11","modified_gmt":"2021-09-07T06:52:11","slug":"%e5%b9%b6%e5%8f%91%e6%8a%a5%e5%91%8a%e8%bf%9b%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/www.wayln.com\/?p=749","title":{"rendered":"\u5e76\u53d1\u62a5\u544a\u8fdb\u5ea6"},"content":{"rendered":"<div id=\"toc_container\" class=\"toc_transparent no_bullets\"><p class=\"toc_title\">Contents<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u95ee\u9898<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u89e3\u51b3\u65b9\u6848<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u4ee3\u7801<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u8ba8\u8bba<\/a><\/li><\/ul><\/div>\n<h1><span id=\"i\">\u95ee\u9898<\/span><\/h1>\n<p>\u5f53\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u5fc5\u987b\u62a5\u544a\u8fdb\u5ea6<\/p>\n<h1><span id=\"i-2\">\u89e3\u51b3\u65b9\u6848<\/span><\/h1>\n<p>\u4f7f\u7528IProcess&lt;T&#62;\u7c7b\u578b\u548cProgress<T \\>\u7c7b\u578b\u3002async\u65b9\u6cd5\u5e94\u5f53\u63a5\u6536IProgress<T \\>\u53c2\u6570\uff0cT\u53ef\u4ee5\u662f\u9700\u8981\u62a5\u544a\u7684\u4efb\u4f55\u7c7b\u578b\u7684\u8fdb\u5ea6\uff1a<\/p>\n<h1><span id=\"i-3\">\u4ee3\u7801<\/span><\/h1>\n<pre><code class=\"language-CSharp line-numbers\">async Task MyMethodAsync(IProgress&lt;double&gt; progress=null)\n{\n    bool done =false;\n    double percentComplete=0;\n    while(!done)\n    {\n        ...\n        progress?.Report(percentComplete);\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u8c03\u7528\u4ee3\u7801\u540e\uff0c\u53ef\u4ee5\u6309\u4e0b\u9762\u7684\u65b9\u5f0f\u6765\u4f7f\u7528<\/p>\n<pre><code class=\"language-CSharp line-numbers\">async Task CallMyMethodAsync()\n{\n    var progress=new Progress&lt;double&gt;();\n    progress.ProgressChanged+=(sender,args)=&gt;\n    {\n        ...\n    };\n    await MyMethodAsync(progress);\n}\n<\/code><\/pre>\n<h1><span id=\"i-4\">\u8ba8\u8bba<\/span><\/h1>\n<p>IProgress<T \\>.Report\u65b9\u6cd5\u901a\u5e38\u662f\u5f02\u6b65\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u62a5\u544a\u8fdb\u5ea6\u4e4b\u524d\uff0cMyMethodAsync\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\u3002\u56e0\u6b64\uff0c\u6700\u597d\u628aT\u5b9a\u4e49\u4e3a\u4e0d\u53ef\u53d8\u7c7b\u578b\uff0c\u6216\u8005\u81f3\u5c11\u5b9a\u4e49\u4e3a\u503c\u7c7b\u578b\uff0c\u5982\u679cT\u662f\u53ef\u53d8\u7684\u5f15\u7528\u7c7b\u578b\uff0c\u90a3\u4e48\u5f53\u6bcf\u6b21\u8c03\u7528IProgress<T \\>.Report\u65f6\uff0c\u90fd\u5fc5\u987b\u81ea\u5df1\u521b\u5efa\u4e00\u4e2a\u5355\u72ec\u526f\u672c\u3002<br \/>\n IProgress&lt;T&#62;\u5e76\u975e\u4e13\u7528\u4e8e\u5f02\u6b65\u4ee3\u7801\uff0c\u5728\u8dd1\u957f\u7ebf\u7684\u540c\u6b65\u4ee3\u7801\u4e2d\uff0c\u4e0d\u8bba\u662f\u8fdb\u5ea6\u8fd8\u662f\u53d6\u6d88\u4e5f\u90fd\u53ef\u4ee5\u800c\u4e14\u5e94\u8be5\u4f7f\u7528<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Contents1 \u95ee\u98982 \u89e3\u51b3\u65b9\u68483 \u4ee3\u78014 \u8ba8\u8bba \u95ee\u9898 \u5f53\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u5fc5\u987b\u62a5\u544a\u8fdb\u5ea6 \u89e3\u51b3\u65b9\u6848 \u4f7f\u7528IPro [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,41,2],"tags":[],"class_list":["post-749","post","type-post","status-publish","format-standard","hentry","category-c","category-41","category-2"],"_links":{"self":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=749"}],"version-history":[{"count":3,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/749\/revisions"}],"predecessor-version":[{"id":752,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/749\/revisions\/752"}],"wp:attachment":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}