{"id":909,"date":"2021-09-19T18:37:24","date_gmt":"2021-09-19T10:37:24","guid":{"rendered":"http:\/\/www.wayln.com\/?p=909"},"modified":"2021-09-19T18:37:24","modified_gmt":"2021-09-19T10:37:24","slug":"%e9%ab%98%e7%ba%a7%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.wayln.com\/?p=909","title":{"rendered":"\u9ad8\u7ea7\u547d\u4ee4"},"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> \u81ea\u5b9a\u4e49\u547d\u4ee4<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u5728\u4e0d\u540c\u4f4d\u7f6e\u4f7f\u7528\u76f8\u540c\u7684\u547d\u4ee4<\/a><ul><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_2\">2.1<\/span> \u4f7f\u7528\u547d\u4ee4\u53c2\u6570<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_2\">2.2<\/span> \u8ddf\u8e2a\u548c\u7ffb\u8f6c\u547d\u4ee4<\/a><\/li><\/ul><\/li><\/ul><\/div>\n<h1><span id=\"i\">\u81ea\u5b9a\u4e49\u547d\u4ee4<\/span><\/h1>\n<p>\u901a\u8fc7\u5b9e\u4f8b\u5316\u4e00\u4e2a\u65b0\u7684RoutedUICommand\u5bf9\u8c61<br \/>\n\u6700\u4f73\u8bbe\u8ba1\u65b9\u5f0f\u662f\u9075\u5faaWPF\u5e93\u4e2d\u7684\u8303\u4f8b\uff0c\u5e76\u901a\u8fc7\u9759\u6001\u5c5e\u6027\u63d0\u4f9b\u81ea\u5b9a\u4e49\u547d\u4ee4\u3002\u4e0b\u9762\u5b9e\u4f8b\u5b9a\u4e49\u4e86\u540d\u4e3aRequery\u7684\u547d\u4ee4<\/p>\n<pre><code class=\"language-CSharp line-numbers\">public class DataCommands\n{\n    private static RoutedUICommand requery;\n    static DataCommands()\n    {\n        InputGestureCollection inputs=new InputGestureCollection();\n        inputs.Add(new KeyGesture(Key.R,ModifierKeys.Control,\"Ctrl+R\"));\n        requery=new RoutedUICommand(\"Requery\",\"Requery\",typeof(DataCommands),inputs);\n    }\n    public static RoutedUICommand Requery\n    {\n        get{return requery;}\n    }\n}\n<\/code><\/pre>\n<h1><span id=\"i-2\">\u5728\u4e0d\u540c\u4f4d\u7f6e\u4f7f\u7528\u76f8\u540c\u7684\u547d\u4ee4<\/span><\/h1>\n<p>\u5728WPF\u547d\u4ee4\u6a21\u578b\u4e2d\uff0c\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\u662f\u8303\u56f4\uff08scope)\u3002\u5c3d\u7ba1\u6ca1\u4e2a\u547d\u4ee4\u4ec5\u6709\u4e00\u4efd\u526f\u672c\uff0c\u4f46\u4f7f\u7528\u547d\u4ee4\u7684\u6548\u679c\u5374\u4f1a\u6839\u636e\u89e6\u53d1\u547d\u4ee4\u7684\u4f4d\u7f6e\u800c\u5f02\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6709\u4e24\u4e2a\u6587\u672c\u6846\uff0c\u4ed6\u4eec\u90fd\u652f\u6301Cut\u3001Copy\u548cPaste\u547d\u4ee4\uff0c\u64cd\u4f5c\u53ea\u4f1a\u5728\u5f53\u524d\u5177\u6709\u7126\u70b9\u7684\u6587\u672c\u6846\u4e2d\u53d1\u751f\u3002<br \/>\n\u7136\u800c\uff0c\u5bf9\u4e8e\u81ea\u5df1\u5b9e\u73b0\u7684\u547d\u4ee4\u2014\u2014New,Open\u4ee5\u53caSave\u547d\u4ee4\u2014\u2014\u60c5\u51b5\u5c31\u4e0d\u75db\u4e86\u3002\u95ee\u9898\u5728\u4e8e\u5f53\u4e3a\u8fd9\u4e9b\u547d\u4ee4\u4e2d\u7684\u67d0\u4e2a\u547d\u4ee4\u89e6\u53d1Executed\u4e8b\u4ef6\u65f6\uff0c\u4e0d\u77e5\u9053\u8be5\u4e8b\u4ef6\u662f\u5c5e\u4e8e\u7b2c\u4e00\u4e2a\u6587\u672c\u6846\u8fd8\u662f\u7b2c\u4e8c\u4e2a\u6587\u672c\u6846\u3002<br \/>\n\u89e3\u51b3\u65b9\u6cd5\u662f\u521b\u5efa\u547d\u4ee4\u7ed1\u5b9a\uff0c\u5e76\u5411\u4e24\u4e2a\u6587\u672c\u6846\u7684CommandBindings\u96c6\u5408\u4e2d\u6dfb\u52a0\u540c\u4e00\u4e2a\u7ed1\u5b9a\u3002\u4f7f\u7528\u4ee3\u7801\u53ef\u5f88\u5bb9\u6613\u5730\u5b8c\u6210\u8be5\u5de5\u4f5c\u3002\u5982\u679c\u5e0c\u671b\u4f7f\u7528XAML\uff0c\u9700\u8981\u4f7f\u7528WPF\u8d44\u6e90<\/p>\n<pre><code class=\"language-XML line-numbers\">&lt;Window.Resources&gt;\n&lt;CommandBinding x:key=\"binding\" Command=\"ApplicationCommands.Save\" Executed=\"SaveCommand\" CanExecute=\"CanExecuteSave\"&gt;&lt;\/CommandBinding&gt;\n&lt;\/Window.Resources&gt;\n&lt;!- \u4e3a\u5728\u6807\u8bb0\u7684\u53e6\u4e00\u4e2a\u4f4d\u7f6e\u63d2\u5165\u8be5\u5bf9\u8c61\uff0c\u53ef\u4f7f\u7528StaticResource\u6807\u8bb0\u6269\u5c55\u5e76\u63d0\u4f9b\u952e\u540d -&gt;\n&lt;TextBox.CommandBindings&gt;\n&lt;StaticResource ResourceKey=\"binding\"&gt;&lt;\/StaticResource&gt;\n&lt;\/TextBox.CommandBindings&gt;\n<\/code><\/pre>\n<h2><span id=\"i-3\">\u4f7f\u7528\u547d\u4ee4\u53c2\u6570<\/span><\/h2>\n<pre><code class=\"language-XML line-numbers\">&lt;Button Command=\"NavigationCommands.Zoom\" CommandParameter=\"{Binding ElementName=txtZoom,Path=Text}\"&gt;Zoom To Value&lt;\/Button&gt;\n<\/code><\/pre>\n<p>\u4f46\u662f\u8be5\u65b9\u6cd5\u5e76\u4e0d\u603b\u662f\u6709\u6548\uff0c\u6bd4\u5982\uff0c\u5728\u5177\u6709\u4e24\u4e2a\u6587\u4ef6\u7684\u6587\u672c\u7f16\u8f91\u5668\u4e2d\uff0c\u6ca1\u4e2a\u6587\u672c\u6846\u91cd\u7528\u540c\u4e00\u4e2aSave\u6309\u94ae\uff0c\u4f46\u6ca1\u4e2a\u6587\u672c\u6846\u9700\u8981\u4f7f\u7528\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u5bf9\u4e8e\u6b64\u7c7b\u60c5\u51b5\uff0c\u5fc5\u987b\u5728\u5176\u4ed6\u5730\u65b9\u5b58\u50a8\u4fe1\u606f\uff0c\u6216\u8005\u9700\u8981\u901a\u8fc7\u4ee3\u7801\u89e6\u53d1\u547d\u4ee4\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-CSharp line-numbers\">ApplicationCommands.New.Execute(theFileName,(Button)sender);\n<\/code><\/pre>\n<h2><span id=\"i-4\">\u8ddf\u8e2a\u548c\u7ffb\u8f6c\u547d\u4ee4<\/span><\/h2>\n<p>\u4e3a\u4e86\u6784\u5efa\u8fd9\u4e2a\u89e3\u51b3\u65b9\u6848\uff0c\u9700\u8981\u4f7f\u7528\u51e0\u9879\u65b0\u6280\u672f\uff0c\u7b2c\u4e00\u4e2a\u7ec6\u8282\u662f\u7528\u4e8e\u8ddf\u8e2a\u547d\u4ee4\u5386\u53f2\u7684\u7c7b<br \/>\n\u6bcf\u4e2aCommandHistoryItem\u5bf9\u8c61\u8ddf\u8e2a\u4e00\u4e0b\u51e0\u90e8\u5206\u4fe1\u606f<br \/>\n&#8211; \u547d\u4ee4\u540d\u79f0<br \/>\n&#8211; \u6267\u884c\u547d\u4ee4\u7684\u5143\u7d20<br \/>\n&#8211; \u518d\u76ee\u6807\u5143\u7d20\u88ab\u6539\u53d8\u4e86\u7684\u5c5e\u6027<br \/>\n&#8211; \u53ef\u7528\u4e8e\u4fdd\u5b58\u53d7\u5f71\u54cd\u5143\u7d20\u4ee5\u524d\u7684\u72b6\u6001\u7684\u5bf9\u8c61<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Contents1 \u81ea\u5b9a\u4e49\u547d\u4ee42 \u5728\u4e0d\u540c\u4f4d\u7f6e\u4f7f\u7528\u76f8\u540c\u7684\u547d\u4ee42.1 \u4f7f\u7528\u547d\u4ee4\u53c2\u65702.2 \u8ddf\u8e2a\u548c\u7ffb\u8f6c\u547d\u4ee4 \u81ea\u5b9a\u4e49\u547d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,35,36,2],"tags":[],"class_list":["post-909","post","type-post","status-publish","format-standard","hentry","category-c","category-wpf","category-2"],"_links":{"self":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/909","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=909"}],"version-history":[{"count":1,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/909\/revisions"}],"predecessor-version":[{"id":910,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/909\/revisions\/910"}],"wp:attachment":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}