{"id":698,"date":"2017-09-05T11:39:05","date_gmt":"2017-09-05T03:39:05","guid":{"rendered":"http:\/\/www.mrtblog.cn\/?p=698"},"modified":"2023-03-05T20:06:03","modified_gmt":"2023-03-05T12:06:03","slug":"cwinform%e8%ae%b0%e5%bd%95treeview%e7%9a%84checked_change%e4%ba%8b%e4%bb%b6","status":"publish","type":"post","link":"http:\/\/www.mrtblog.cn\/?p=698","title":{"rendered":"[C#]Winform\u8bb0\u5f55TreeView\u7684checked_change\u4e8b\u4ef6"},"content":{"rendered":"<div class='epvc-post-count'><span class='epvc-eye'><\/span>  <span class=\"epvc-count\"> 1,579<\/span><span class='epvc-label'> Views<\/span><\/div><p>\u5bf9treeView\u64cd\u4f5c\u65f6\u53d1\u73b0\u4e00\u4e2a\u6709\u8da3\u7684\u4e8b\u60c5\u3002<\/p>\n<p>\u60f3\u8981\u5b9e\u73b0\u70b9\u51fbtreeView\u67d0\u4e00\u4e2a\u8282\u70b9\uff0c\u6216\u8005\u70b9\u51fb\u8be5\u8282\u70b9\u7684\u590d\u9009\u6846\u65f6\uff0c\u5c06\u5176\u6240\u6709\u5b50\u8282\u70b9\u8bbe\u4e3a\u4e0e\u8be5\u8282\u70b9\u76f8\u540c\u7684check\u72b6\u6001\u3002<br \/>\n1.\u5982\u679c\u662f\u70b9\u51fb\uff0c\u5219\u89e6\u53d1MouseClick()\u4e8b\u4ef6\uff0c\u6b64\u65f6\u9700\u8981\u904d\u5386\u8be5\u8282\u70b9\u7684\u6240\u6709\u5b50\u8282\u70b9\uff0c\u9012\u5f52\u8bbe\u7f6e\u6240\u6709\u5b50\u8282\u70b9\u7684check\u72b6\u6001\u3002<\/p>\n<pre class=\"highlight\"><code class=\"language-csharp line-numbers\">public void SetChildCheckState(TreeNode tnParent,bool b)\n{\n    for (int i = 0; i &lt; tnParent.Nodes.Count; i++)\n    {\n        tnParent.Nodes[i].Checked = b;\n        SetChildCheckState(tnParent.Nodes[i],b);\n     }\n}\nprivate void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)\n{\n    TreeNode tmp = e.Node;\n    if (tmp.Checked)\n        SetChildCheckState(tmp, false);\n    else\n        SetChildCheckState(tmp, true);\n}<\/code><\/pre>\n<p>2.\u5982\u679c\u662f\u9009\u62e9\u590d\u9009\u6846\uff0c\u5219\u53ea\u9700\u8981\u904d\u5386\u5176\u5b50\u8282\u70b9\u6539\u53d8\u72b6\u6001\u5373\u53ef<\/p>\n<pre class=\"highlight\"><code class=\"language-csharp line-numbers\">private void treeView1_AfterCheck(object sender, TreeViewEventArgs e)\n{\n    TreeNode tmp = e.Node;\n    foreach (TreeNode t in tmp.Nodes)\n    {\n        t.Checked = tmp.Checked;\n    }\n}<\/code><\/pre>\n<p>\u8fd9\u662f\u56e0\u4e3a\uff0c\u9009\u4e2d\u590d\u9009\u6846\uff0c\u5728\u6539\u53d8\u5176\u5b50\u8282\u70b9\u7684check\u72b6\u6001\u65f6\uff0c\u53c8\u4e00\u6b21\u89e6\u53d1\u4e86treeView1_AfterCheck\u4e8b\u4ef6\uff0c\u76f8\u5f53\u4e8e\u81ea\u8eab\u5728\u6267\u884c\u9012\u5f52\uff0c\u6240\u4ee5\u4e0d\u7528\u518d\u624b\u52a8\u5199\u3002<\/p>\n<p>\u800c\u4e14\uff0c\u5982\u679c\u4e24\u4e2a\u65b9\u6cd5\u4e00\u8d77\u4f7f\u7528\uff0ctreeView1_NodeMouseClick\u4f1a\u5c4f\u853dtreeView1_AfterCheck\u3002\u56e0\u4e3a\u70b9\u51fb\u590d\u9009\u6846\u4f1a\u4f18\u5148\u89e6\u53d1treeView1_AfterCheck\uff0ctreeView1_AfterCheck\u6267\u884c\u5b8c\u540e\u518d\u6b21\u8c03\u7528treeView1_NodeMouseClick\u3002\u6240\u4ee5\u4e24\u4e2a\u4e8b\u4ef6\u53ea\u80fd\u4fdd\u7559\u4e00\u4e2a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1,579 Views\u5bf9treeView\u64cd\u4f5c\u65f6\u53d1\u73b0\u4e00\u4e2a\u6709\u8da3\u7684\u4e8b\u60c5\u3002 \u60f3\u8981\u5b9e\u73b0\u70b9\u51fbtreeView\u67d0\u4e00\u4e2a\u8282\u70b9\uff0c\u6216 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[],"class_list":["post-698","post","type-post","status-publish","format-standard","hentry","category-project"],"_links":{"self":[{"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/698","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=698"}],"version-history":[{"count":1,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/698\/revisions"}],"predecessor-version":[{"id":699,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/698\/revisions\/699"}],"wp:attachment":[{"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=698"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.mrtblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}