{"id":903,"date":"2021-09-18T22:05:44","date_gmt":"2021-09-18T14:05:44","guid":{"rendered":"http:\/\/www.wayln.com\/?p=903"},"modified":"2021-09-19T18:01:19","modified_gmt":"2021-09-19T10:01:19","slug":"%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.wayln.com\/?p=903","title":{"rendered":"\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> \u7406\u89e3\u547d\u4ee4<\/a><\/li><li><a href=\"#WPF\"><span class=\"toc_number toc_depth_1\">2<\/span> WPF\u547d\u4ee4\u6a21\u578b<\/a><\/li><li><a href=\"#ICommand\"><span class=\"toc_number toc_depth_1\">3<\/span> ICommand \u63a5\u53e3<\/a><\/li><li><a href=\"#RoutedCommand\"><span class=\"toc_number toc_depth_1\">4<\/span> RoutedCommand\u7c7b<\/a><\/li><li><a href=\"#RoutedUICommand\"><span class=\"toc_number toc_depth_1\">5<\/span> RoutedUICommand\u7c7b<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">6<\/span> \u547d\u4ee4\u5e93<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">7<\/span> \u6267\u884c\u547d\u4ee4<\/a><ul><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_2\">7.1<\/span> \u547d\u4ee4\u6e90<\/a><\/li><li><a href=\"#i-5\"><span class=\"toc_number toc_depth_2\">7.2<\/span> \u547d\u4ee4\u7ed1\u5b9a<\/a><\/li><li><a href=\"#i-6\"><span class=\"toc_number toc_depth_2\">7.3<\/span> \u4f7f\u7528\u591a\u547d\u4ee4\u6e90<\/a><\/li><li><a href=\"#i-7\"><span class=\"toc_number toc_depth_2\">7.4<\/span> \u5fae\u8c03\u547d\u4ee4\u6587\u672c<\/a><\/li><li><a href=\"#i-8\"><span class=\"toc_number toc_depth_2\">7.5<\/span> \u76f4\u63a5\u8c03\u7528\u547d\u4ee4<\/a><\/li><li><a href=\"#i-9\"><span class=\"toc_number toc_depth_2\">7.6<\/span> \u7981\u7528\u547d\u4ee4<\/a><\/li><li><a href=\"#i-10\"><span class=\"toc_number toc_depth_2\">7.7<\/span> \u5177\u6709\u5185\u7f6e\u547d\u4ee4\u7684\u63a7\u4ef6<\/a><\/li><\/ul><\/li><\/ul><\/div>\n<h1><span id=\"i\">\u7406\u89e3\u547d\u4ee4<\/span><\/h1>\n<p>\u5728\u8bbe\u8ba1\u826f\u597d\u7684Windows\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\u4e0d\u5e94\u4f4d\u4e8e\u65f6\u95f4\u5904\u7406\u4e2d\uff0c\u800c\u5e94\u5728\u66f4\u9ad8\u5c42\u7684\u65b9\u6cd5\u4e2d\u7f16\u5199\u4ee3\u7801\u3002\u5176\u4e2d\u7684\u6ca1\u4e2a\u65b9\u6cd5\u90fd\u4ee3\u8868\u5355\u72ec\u7684\u5e94\u7528\u7a0b\u5e8f\u201c\u4efb\u52a1\u201d\u3002<br \/>\nWPF\u4f7f\u7528\u4e86\u65b0\u7684\u547d\u4ee4\u6a21\u578b\u5e2e\u52a9\u60a8\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u4ed6\u589e\u52a0\u4e86\u4e24\u4e2a\u91cd\u8981\u7279\u6027\uff1a<br \/>\n&#8211; \u5c06\u4e8b\u4ef6\u59d4\u6258\u5230\u9002\u5f53\u7684\u547d\u4ee4<br \/>\n&#8211; \u4f7f\u63a7\u4ef6\u7684\u542f\u7528\u72b6\u6001\u548c\u76f8\u5e94\u547d\u4ee4\u4f60\u7684\u72b6\u6001\u4fdd\u6301\u540c\u6b65<\/p>\n<h1><span id=\"WPF\">WPF\u547d\u4ee4\u6a21\u578b<\/span><\/h1>\n<p>\u5177\u6709\u5982\u4e0b4\u4e2a\u91cd\u8981\u5143\u7d20\uff1a<br \/>\n&#8211; \u547d\u4ee4<br \/>\n\u547d\u4ee4\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u4efb\u52a1\uff0c\u5e76\u4e14\u8ddf\u968f\u4efb\u52a1\u662f\u5426\u80fd\u591f\u88ab\u6267\u884c\uff0c\u7136\u800c\uff0c\u547d\u4ee4\u5b9e\u9645\u4e0a\u4e0d\u5305\u542b\u6267\u884c\u5e94\u7528\u7a0b\u5e8f\u4efb\u52a1\u7684\u4ee3\u7801<br \/>\n&#8211; \u547d\u4ee4\u7ed1\u5b9a<br \/>\n\u6bcf\u4e2a\u547d\u4ee4\u7ed1\u5b9a\u9488\u5bf9\u7528\u6237\u754c\u9762\u7684\u5177\u4f53\u533a\u57df\uff0c\u5c06\u547d\u4ee4\u94fe\u63a5\u5230\u76f8\u5173\u7684\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\u3002\u8fd9\u79cd\u5206\u89e3\u7684\u8bbe\u8ba1\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u56e0\u4e3a\u5355\u4e2a\u547d\u4ee4\u53ef\u7528\u4e8e\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u591a\u4e2a\u5730\u65b9\uff0c\u5e76\u4e14\u5728\u6bcf\u4e2a\u5730\u65b9\u5177\u6709\u4e0d\u540c\u7684\u610f\u4e49\u3002\u4e3a\u5904\u7406\u8fd9\u4e00\u95ee\u9898\uff0c\u9700\u8981\u5c06\u7edf\u4e00\u547d\u4ee4\u4e0e\u4e0d\u540c\u7684\u547d\u4ee4\u7ed1\u5b9a<br \/>\n&#8211; \u547d\u4ee4\u6e90<br \/>\n\u547d\u4ee4\u6e90\u89e6\u53d1\u547d\u4ee4\u3002\u4f8b\u5982\uff0cMenuItem\u548cButton\u90fd\u662f\u547d\u4ee4\u6e90\u3002\u5355\u51fb\u4ed6\u4eec\u90fd\u4f1a\u6267\u884c\u7ed1\u5b9a\u547d\u4ee4\u3002<br \/>\n&#8211; \u547d\u4ee4\u76ee\u6807<br \/>\n\u547d\u4ee4\u76ee\u6807\u662f\u5728\u5176\u4e2d\u6267\u884c\u547d\u4ee4\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0cPaste\u547d\u4ee4\u53ef\u5728TextBox\u63a7\u4ef6\u4e2d\u63d2\u5165\u6587\u672c\uff0c\u800cOpenFile\u547d\u4ee4\u53ef\u5728DocumementViewer\u4e2d\u6253\u5f00\u6587\u6863\u3002\u6839\u636e\u547d\u4ee4\u7684\u672c\u8d28\uff0c\u76ee\u6807\u53ef\u80fd\u5f88\u91cd\u8981\uff0c\u4e5f\u53ef\u80fd\u4e0d\u91cd\u8981\u3002<\/p>\n<h1><span id=\"ICommand\">ICommand \u63a5\u53e3<\/span><\/h1>\n<p>WPF\u547d\u4ee4\u6a21\u578b\u7684\u6838\u5fc3\u662fSystem.Windows.Input.ICommand\u63a5\u53e3\uff0c\u8be5\u63a5\u53e3\u5b9a\u4e49\u4e86\u547d\u4ee4\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u8be5\u63a5\u53e3\u5305\u542b\u4e24\u4e2a\u65b9\u6cd5\u548c\u4e00\u4e2a\u4e8b\u4ef6\uff1a<\/p>\n<pre><code class=\"language-CSharp line-numbers\">public interface ICommand\n{\n    void Execute(object parameter);\n    bool CanExecute(object parameter);\n    event EventHandler CanExecuteChanged;\n}\n<\/code><\/pre>\n<p>\u5b83\u4f7f\u7528Execute()\u65b9\u6cd5\u5f15\u53d1\u4e00\u4e2a\u66f4\u590d\u6742\u7684\u8fc7\u7a0b\uff0c\u8be5\u8fc7\u7a0b\u6700\u7ec8\u89e6\u53d1\u5728\u5e94\u7528\u7a0b\u5e8f\u5176\u4ed6\u5730\u65b9\u5904\u7406\u7684\u4e8b\u4ef6\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u4f7f\u7528\u9884\u5148\u51c6\u5907\u597d\u7684\u547d\u4ee4\u7c7b\uff0c\u5e76\u63d2\u5165\u81ea\u5df1\u7684\u903b\u8f91\uff0c\u8fd8\u53ef\u4ee5\u7075\u6d3b\u5730\u5728\u51e0\u4e2a\u4e0d\u540c\u7684\u5730\u65b9\u4f7f\u7528\u540c\u4e00\u4e2a\u547d\u4ee4\u3002<br \/>\nCanExecute()\u65b9\u6cd5\u8fd4\u56de\u547d\u4ee4\u7684\u72b6\u6001\u2014\u2014\u5982\u679c\u547d\u4ee4\u53ef\u7528\uff0c\u5c31\u8fd4\u56detrue,\u5982\u679c\u4e0d\u53ef\u7528\u5c31\u8fd4\u56defalse\u3002Execute()\u548cCanExecute()\u65b9\u6cd5\u90fd\u63a5\u53d7\u4e00\u4e2a\u9644\u52a0\u7684\u53c2\u6570\u5bf9\u8c61\uff0c\u53ef\u4f7f\u7528\u8be5\u5bf9\u8c61\u4f20\u9012\u6240\u9700\u7684\u4efb\u4f55\u9644\u52a0\u4fe1\u606f\u3002<br \/>\n\u6700\u540e\uff0c\u5f53\u547d\u4ee4\u72b6\u6001\u6539\u53d8\u65f6\u5f15\u53d1CanExecuteChanged\u4e8b\u4ef6\u3002\u5f53\u547d\u4ee4\u53ef\u7528\u65f6\uff0c\u547d\u4ee4\u6e90\uff08\u5982Button\uff09\u53ef\u81ea\u52a8\u542f\u7528\u81ea\u8eab\uff1b\u5f53\u547d\u4ee4\u4e0d\u53ef\u7528\u65f6\uff0c\u7981\u7528\u81ea\u8eab\u3002<\/p>\n<h1><span id=\"RoutedCommand\">RoutedCommand\u7c7b<\/span><\/h1>\n<p>\u5f53\u521b\u5efa\u81ea\u5df1\u7684\u547d\u4ee4\u65f6\uff0c\u4e0d\u4f1a\u76f4\u63a5\u5b9e\u73b0ICommand\u63a5\u53e3\uff1b\u800c\u662f\u4f7f\u7528System.Windows.Input.RoutedCommand\u7c7b\uff0c\u8be5\u7c7b\u81ea\u52a8\u5b9e\u73b0\u4e86ICommand\u63a5\u53e3\u3002RoutedCommand\u7c7b\u662fWPF\u4e2d\u552f\u4e00\u5b9e\u73b0\u4e86ICommand\u63a5\u53e3\u7684\u7c7b\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u6240\u6709WPF\u547d\u4ee4\u90fd\u662fRoutedCommand\u7c7b\u53ca\u5176\u6d3e\u751f\u7c7b\u7684\u5b9e\u4f8b\u3002<br \/>\n\u5728WPF\u547d\u4ee4\u6a21\u578b\u80cc\u540e\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\u662f\uff0cRoutedCommand\u7c7b\u4e0d\u5305\u542b\u4efb\u4f55\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\uff0c\u800c\u53ea\u4ee3\u8868\u547d\u4ee4\uff0c\u8fd9\u610f\u5473\u7740\u5404\u4e2aRoutedCommand\u5bf9\u8c61\u5177\u6709\u76f8\u540c\u7684\u529f\u80fd\u3002<br \/>\nRoutedCommand\u7c7b\u8fd8\u5f15\u5165\u4e86\u4e09\u4e2a\u5c5e\u6027\uff1a\u547d\u4ee4\u540d\u79f0\uff08Name\u5c5e\u6027\uff09\u3001\u5305\u542b\u547d\u4ee4\u7684\uff08OwnerType)\u4ee5\u53ca\u4efb\u4f55\u53ef\u7528\u4e8e\u89e6\u53d1\u547d\u4ee4\u7684\u6848\u4ef6\u6216\u9f20\u6807\u64cd\u4f5c\uff08\u4f4d\u4e8eInputGestures\u96c6\u5408\u4e2d\uff09\u3002<\/p>\n<h1><span id=\"RoutedUICommand\">RoutedUICommand\u7c7b<\/span><\/h1>\n<p>\u5728\u7a0b\u5e8f\u4e2d\u5904\u7406\u7684\u5927\u90e8\u5206\u547d\u4ee4\u662fRoutedUICommand\u7c7b\u7684\u5b9e\u4f8b\uff0c\u7ee7\u627f\u81eaRoutedCommand\u7c7b\uff08\u5b9e\u9645\u4e0a\uff0cWPF\u63d0\u4f9b\u7684\u6240\u6709\u9884\u5148\u6784\u5efa\u597d\u7684\u547d\u4ee4\u90fd\u662fRoutedUICommand\u5bf9\u8c61\uff09\u3002<br \/>\nRoutedUICommand\u7c7b\u7528\u4e8e\u5177\u6709\u6587\u672c\u7684\u547d\u4ee4\uff0c\u8fd9\u4e9b\u6587\u672c\u663e\u793a\u5728\u7528\u6237\u754c\u9762\u4e2d\u7684\u67d0\u4e9b\u5730\u65b9\uff08\u4f8b\u5982\u83dc\u5355\u9879\u6587\u672c\u3001\u5de5\u5177\u680f\u6309\u94ae\u7684\u5de5\u5177\u63d0\u793a\uff09.RoutedUICommand\u7c7b\u53ea\u589e\u52a0\u4e86Text\u5c5e\u6027\uff0c\u8be5\u5c5e\u6027\u662f\u4e3a\u547d\u4ee4\u663e\u793a\u7684\u6587\u672c\u3002<br \/>\n\u5982\u679c\u547d\u4ee4\u6587\u672c\u6c38\u8fdc\u4e0d\u4f1a\u5728\u7528\u6237\u754c\u9762\u7684\u4efb\u4f55\u5730\u65b9\u663e\u793a\uff0c\u90a3\u4e48RoutedUICommand\u7c7b\u548cRoutedCommand\u7c7b\u662f\u7b49\u6548\u7684\u3002<br \/>\n\u4e0d\u89c1\u5f97\u8981\u5728\u7528\u6237\u754c\u9762\u4f7f\u7528RoutedUICommand\u6587\u672c\uff0c\u5b9e\u9645\u4e0a\uff0c\u53ef\u55ef\u90a3\u4e2a\u6709\u66f4\u597d\u7684\u539f\u56e0\u4f7f\u7528\u5176\u4ed6\u5185\u5bb9\uff0c\u4f8b\u5982\uff0c\u53ef\u80fd\u66f4\u613f\u610f\u4f7f\u7528PrintDocument\u800c\u4e0d\u53ea\u662fPrint,\u800c\u4e14\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u5b8c\u5168\u53ef\u4ee5\u7528\u5c0f\u56fe\u5f62\u66ff\u4ee3\u6587\u672c\u3002<\/p>\n<h1><span id=\"i-2\">\u547d\u4ee4\u5e93<\/span><\/h1>\n<p>\u8fd9\u4e9b\u547d\u4ee4\u901a\u8fc7\u4ee5\u4e0b5\u4e2a\u4e13\u95e8\u7684\u9759\u6001\u7c7b\u7684\u9759\u6001\u5c5e\u6027\u63d0\u4f9b\uff1a<br \/>\n&#8211; ApplicationCommands<br \/>\n\u8be5\u7c7b\u63d0\u4f9b\u4e86\u901a\u7528\u7684\u547d\u4ee4\uff0c\u5305\u62ec\u526a\u8d34\u677f\u547d\u4ee4\uff08\u5982Copy\u3001Cut\u548cPaste)\u4ee5\u53ca\u6587\u6863\u547d\u4ee4\uff08\u5982New\u3001Open\u3001Save\u3001SaveAs\u548cPrint\u7b49\uff09\u3002<br \/>\n&#8211; NavigationCommands<br \/>\n\u8be5\u7c7b\u63d0\u4f9b\u4e86\u7528\u4e8e\u5bfc\u822a\u7684\u547d\u4ee4\uff0c\u5305\u62ec\u4e3a\u57fa\u4e8e\u9875\u9762\u7684\u5e94\u7528\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u4e00\u4e9b\u547d\u4ee4\uff08\u5982BrowserBack\u3001BrowseForward\u548cNextPage)\uff0c\u4ee5\u53ca\u5176\u4ed6\u9002\u5408\u4e8e\u57fa\u4e8e\u6587\u6863\u5e94\u7528\u7a0b\u5e8f\u7684\u547d\u4ee4\uff08\u5982IncreaseZoom\u548cRefresh)\u3002<br \/>\n&#8211; EditingCommands<br \/>\n\u8be5\u7c7b\u63d0\u4f9b\u4e86\u8bb8\u591a\u91cd\u8981\u7684\u6587\u6863\u53d8\u57fa\u547d\u4ee4\uff0c\u5305\u62ec\u7528\u4e8e\u79fb\u52a8\u7684\u547d\u4ee4\uff08MoveToLineEnd\u3001MoveLeftByWord\u548cMoveUpByPage\u7b49\uff09\uff0c\u9009\u62e9\u5185\u5bb9\u7684\u547d\u4ee4\uff08SelectToLineEnd\u3001SelectLeftByWord\uff09\u4ee5\u53ca\u6539\u53d8\u683c\u5f0f\u7684\u547d\u4ee4\uff08ToggleBold\u548cToggleUnderLine)\u3002<br \/>\n&#8211; ComponentCommands<br \/>\n\u8be5\u7c7b\u63d0\u4f9b\u4e86\u7531\u7528\u6237\u754c\u9762\u7ec4\u4ef6\u4f7f\u7528\u7684\u547d\u4ee4\uff0c\u5305\u62ec\u7528\u4e8e\u79fb\u52a8\u548c\u9009\u62e9\u5185\u5bb9\u7684\u547d\u4ee4\uff0c\u8fd9\u4e9b\u547d\u4ee4\u548cEditingCommands\u7c7b\u4e2d\u7684\u4e00\u4e9b\u547d\u4ee4\u7c7b\u4f3c<br \/>\n&#8211; MediaCommands<br \/>\n\u8be5\u7c7b\u63d0\u4f9b\u4e86\u4e00\u7ec4\u7528\u4e8e\u5904\u7406\u591a\u5a92\u4f53\u7684\u547d\u4ee4\uff08\u5982Play\u3001Pause\u3001NextTrack\u4ee5\u53caIncreaseVolume)<\/p>\n<p>ApplicationCommands\u7c7b\u63d0\u4f9b\u4e86\u4e00\u7ec4\u57fa\u672c\u547d\u4ee4\uff0c\u5982\u4e0b\uff1a<br \/>\nNew\u3001Open\u3001Save\u3001SaveAs\u3001Close\u3001Print\u3001PrintPreview\u3001CancePrint\u3001Copy\u3001Cut\u3001Paste\u3001Delete\u3001Undo\u3001Redo\u3001Find\u3001Replace\u3001SelectAll\u3001Stop\u3001ContextMenu\u3001CorrectionList\u3001Properties\u3001Help<br \/>\n\u547d\u4ee4\u4e3a\u9759\u6001\u5c5e\u6027\uff0c\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u53ea\u6709\u4e00\u4e2a\u8be5\u547d\u4ee4\u5b9e\u4f8b\u3002\u7136\u800c\u6839\u636e\u547d\u4ee4\u6e90\u7684\u4e0d\u540c\uff0c\u53ef\u91c7\u7528\u4e0d\u540c\u7684\u5904\u7406\u65b9\u5f0f<br \/>\n\u6bcf\u4e2a\u547d\u4ee4\u7684RoutedUICommand.Text\u5c5e\u6027\u548c\u540d\u79f0\u662f\u76f8\u4e92\u5339\u914d\u7684\uff0c\u53ea\u662f\u5728\u5355\u6b21\u4e4b\u95f4\u6dfb\u52a0\u4e86\u7a7a\u683c<br \/>\n\u8bb8\u591a\u547d\u4ee4\u5bf9\u8c61\u90fd\u6709\u4e00\u4e2a\u989d\u5916\u7684\u7279\u5f81\uff1a\u9ed8\u8ba4\u8f93\u5165\u7ed1\u5b9a\u3002\u4f8b\u5982\uff0cApplicationCommads.Open\u547d\u4ee4\u88ab\u6620\u5c04\u5230Ctrl+O\u5feb\u6377\u952e\uff0c\u53ea\u8981\u547d\u4ee4\u7ed1\u5b9a\u5230\u547d\u4ee4\u6e90\uff0c\u5e76\u4e3a\u7a97\u53e3\u6dfb\u52a0\u547d\u4ee4\u6e90\uff0c\u8fd9\u4e2a\u5feb\u6377\u952e\u5c31\u4f1a\u88ab\u6fc0\u6d3b\uff0c\u5373\u4f7f\u6ca1\u6709\u5728\u7528\u6237\u754c\u9762\u7684\u4efb\u4f55\u5730\u65b9\u663e\u793a\u8be5\u547d\u4ee4\u4e5f\u540c\u6837\u5982\u6b64\u3002<\/p>\n<h1><span id=\"i-3\">\u6267\u884c\u547d\u4ee4<\/span><\/h1>\n<p>RoutedUICommand\u7c7b\u6ca1\u6709\u4efb\u4f55\u786c\u7f16\u7801\u7684\u529f\u80fd\uff0c\u53ea\u662f\u8868\u793a\u547d\u4ee4\uff0c\u4e3a\u4e86\u89e6\u53d1\u547d\u4ee4\uff0c\u9700\u8981\u6709\u547d\u4ee4\u6e90\uff0c\u4e3a\u4e86\u54cd\u5e94\u547d\u4ee4\uff0c\u9700\u8981\u6709\u547d\u4ee4\u7ed1\u5b9a\uff0c\u547d\u4ee4\u7ed1\u5b9a\u5c06\u6267\u884c\u8f6c\u53d1\u7ed9\u666e\u901a\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f<\/p>\n<h2><span id=\"i-4\">\u547d\u4ee4\u6e90<\/span><\/h2>\n<p>\u547d\u4ee4\u5e93\u4e2d\u7684\u547d\u4ee4\u59cb\u7ec8\u53ef\u7528\uff0c\u89e6\u53d1\u4ed6\u4eec\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u5c31\u662f\u5c06\u4ed6\u4eec\u5173\u8054\u5230\u5b9e\u73b0\u4e86ICommandSource\u63a5\u53e3\u7684\u63a7\u4ef6\uff0c\u5176\u4e2d\u62b1\u6127\u7ee7\u627f\u81eaButtonBase\u7c7b\u7684\u63a7\u4ef6\uff08Buttton\u548cCheckBox\u7b49\uff09\u3001\u5355\u72ec\u7684ListBoxItem\u5bf9\u8c61\u3001Hyperlink\u4ee5\u53caMenuItem\u3002<br \/>\nICommandSource\u63a5\u53e3\u5b9a\u4e49\u4e86\u4e09\u4e2a\u5c5e\u6027<\/p>\n<table>\n<thead>\n<tr>\n<th>\u540d\u79f0<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Command<\/td>\n<td>\u6307\u5411\u8fde\u63a5\u7684\u547d\u4ee4\uff0c\u8fd9\u662f\u552f\u4e00\u5fc5\u987b\u7684\u7ec6\u8282<\/td>\n<\/tr>\n<tr>\n<td>CommandParameter<\/td>\n<td>\u63d0\u4f9b\u5176\u4ed6\u5e0c\u671b\u968f\u547d\u4ee4\u53d1\u9001\u7684\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>CommandTarget<\/td>\n<td>\u786e\u5b9a\u5c06\u5728\u5176\u4e2d\u6267\u884c\u547d\u4ee4\u7684\u5143\u7d20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f8b\u5982<\/p>\n<pre><code class=\"language-XML line-numbers\">&lt;Button Command=\"ApplicationCommands.New\"&gt;New&lt;\/Button&gt;\n&lt;!--\u6216\u8005--&gt;\n&lt;Button Command=\"New\"&gt;New&lt;\/Button&gt;\n<\/code><\/pre>\n<h2><span id=\"i-5\">\u547d\u4ee4\u7ed1\u5b9a<\/span><\/h2>\n<p>\u5f53\u5c06\u547d\u4ee4\u5173\u8054\u5230\u547d\u4ee4\u6e90\u65f6\uff0c\u547d\u4ee4\u6e90\u4f1a\u88ab\u81ea\u52a8\u7981\u7528\uff0c\u8fd9\u662f\u56e0\u4e3a\u6309\u94ae\u5df2\u7ecf\u67e5\u8be2\u5230\u547d\u4ee4\u72b6\u6001\uff0c\u800c\u4e14\u547d\u4ee4\u8fd8\u6ca1\u6709\u4e0e\u5176\u5173\u8054\u7684\u7ed1\u5b9a\u6240\u4ee5\u6309\u94ae\u88ab\u8ba4\u4e3a\u662f\u7981\u7528\u7684<br \/>\n\u4e3a\u4e86\u6539\u53d8\u8fd9\u79cd\u72b6\u6001\uff0c\u9700\u8981\u4e3a\u547d\u4ee4\u521b\u5efa\u7ed1\u5b9a\u4ee5\u660e\u786e\u4e09\u4ef6\u4e8b\uff1a<br \/>\n&#8211; \u5f53\u547d\u4ee4\u88ab\u89e6\u53d1\u65f6\u6267\u884c\u4ec0\u4e48\u64cd\u4f5c<br \/>\n&#8211; \u5982\u4f55\u786e\u5b9a\u547d\u4ee4\u662f\u5426\u80fd\u591f\u88ab\u6267\u884c\uff08\u8fd9\u662f\u53ef\u9009\u7684\uff0c\u5982\u679c\u672a\u63d0\u4f9b\u8fd9\u4e00\u7ec6\u8282\uff0c\u53ea\u8981\u63d0\u4f9b\u4e86\u5173\u8054\u7684\u65f6\u95f4\u5904\u7406\u7a0b\u5e8f\uff0c\u547d\u4ee4\u603b\u662f\u53ef\u7528\u7684\uff09<br \/>\n&#8211; \u547d\u4ee4\u5728\u4f55\u5904\u8d77\u4f5c\u7528\u3002\u4f8b\u5982\uff0c\u547d\u4ee4\u53ef\u88ab\u9650\u5236\u5728\u5355\u4e2a\u6309\u94ae\u4e2d\u4f7f\u7528\uff0c\u6216\u5728\u6574\u4e2a\u7a97\u53e3\u4e2d\u4f7f\u7528\uff08\u8fd9\u79cd\u60c5\u51b5\u66f4\u5e38\u89c1\uff09<\/p>\n<p>\u4ee5\u4e0b\u7684\u4ee3\u7801\u7247\u6bb5\u4e3aNew\u547d\u4ee4\u521b\u5efa\u7ed1\u5b9a\u3002\u53ef\u5c06\u8fd9\u4e9b\u4ee3\u7801\u6dfb\u52a0\u5230\u7a97\u53e3\u7684\u6784\u9020\u51fd\u6570\u4e2d\uff1a<\/p>\n<pre><code class=\"language-CSharp line-numbers\">\/\/\u521b\u5efa\u7ed1\u5b9a\nCommandBinding binding=new CommandBinding(ApplicationCommands.New);\n\n\/\/\u6dfb\u52a0\u4e8b\u4ef6\nbinding.Executed+=NewCommand_Executed;\n\n\/\/\u6ce8\u518c\u7ed1\u5b9a\nthis.CommandBindings.Add(binding);\n<\/code><\/pre>\n<p>\u5c3d\u7ba1\u4e60\u60ef\u4e0a\u4e3a\u7a97\u53e3\u6dfb\u52a0\u6240\u6709\u7ed1\u5b9a\uff0c\u4f46CommandBinding\u5c5e\u6027\u5b9e\u9645\u662f\u5728UIElement\u57fa\u7c7b\u4e2d\u5b9a\u4e49\u7684\u3002\u8fd9\u610f\u5473\u7740\u4efb\u4f55\u5143\u7d20\u90fd\u652f\u6301\u8be5\u5c5e\u6027\u3002\u3002\u5982\u679c\u5c06\u547d\u4ee4\u7ed1\u5b9a\u76f4\u63a5\u6dfb\u52a0\u5230\u4f7f\u7528\u5b83\u7684\u6309\u94ae\u4e2d\uff0c\u8fd9\u4e2a\u5b9e\u4f8b\u4ecd\u5de5\u4f5c\u7684\u5f88\u597d\uff08\u5c3d\u7ba1\u4e0d\u80fd\u518d\u5c06\u8be5\u7ed1\u5b9a\u51b2\u7528\u4e8e\u5176\u4ed6\u9ad8\u7ea7\u5143\u7d20)\u3002\u4e3a\u4e86\u5f97\u5230\u6700\u5927\u7684\u7075\u6d3b\u6027\uff0c\u547d\u4ee4\u7ed1\u5b9a\u901a\u5e38\u88ab\u6dfb\u52a0\u5230\u9876\u7ea7\u7a97\u53e3\u3002\u5982\u679c\u5e0c\u671b\u5728\u591a\u4e2a\u7a97\u53e3\u4e2d\u4f7f\u7528\u76f8\u540c\u7684\u547d\u4ee4\uff0c\u9700\u8981\u5728\u8fd9\u4e9b\u7a97\u53e3\u4e2d\u5206\u522b\u521b\u5efa\u547d\u4ee4\u7ed1\u5b9a\u3002<br \/>\n<strong>\u4e5f\u53ef\u4ee5\u5904\u7406CommandBinding.PreviewExecuted\u4e8b\u4ef6\uff0c\u9996\u5148\u5728\u6700\u9ad8\u5c42\u6b21\u7684\u5bb9\u5668\uff08\u7a97\u53e3\uff09\u4e2d\u5f15\u53d1\u8be5\u4e8b\u4ef6\uff0c\u7136\u540e\u96a7\u9053\u8def\u7531\u81f3\u6309\u94ae\u3002\u53ef\u901a\u8fc7\u4e8b\u4ef6\u96a7\u9053\u62e6\u622a\u548c\u505c\u6b62\u4e8b\u4ef6\u3002\u5982\u679c\u5c06RoutedEventArgs.Handled\u5c5e\u6027\u8bbe\u7f6e\u4e3atrue,\u5c06\u6c38\u8fdc\u4e0d\u4f1a\u53d1\u751fExecuted\u4e8b\u4ef6<\/strong><br \/>\n\u53ef\u4ee5\u4f7f\u7528XAML\u4ee5\u58f0\u660e\u65b9\u5f0f\u5173\u8054\u547d\u4ee4<\/p>\n<pre><code class=\"language-XML line-numbers\">&lt;Window.CommandBindings&gt;\n&lt;CommandBinding Command=\"ApplicationCommands.New\" Executed=\"NewCommand_Executed\"&gt;&lt;\/CommandBinding&gt;\n&lt;\/Window.CommandBindings&gt;\n<\/code><\/pre>\n<h2><span id=\"i-6\">\u4f7f\u7528\u591a\u547d\u4ee4\u6e90<\/span><\/h2>\n<pre><code class=\"language-XML line-numbers\">&lt;Menu&gt;\n    &lt;MenuItem Header=\"File\"&gt;\n        &lt;MenuItem Command=\"New\"&gt;&lt;\/MenuItem&gt;\n    &lt;\/MenuItem&gt;\n&lt;\/Menu&gt;\n<\/code><\/pre>\n<p>MenuItem\u8db3\u591f\u667a\u80fd\uff0c\u5982\u679c\u6ca1\u6709\u8bbe\u7f6eHeader\u5c5e\u6027\uff0c\u4ed6\u5c06\u4ece\u547d\u4ee4\u4e2d\u63d0\u53d6\u6587\u672c\uff08Button\u7a7a\u95f4\u4e0d\u5177\u6709\u8fd9\u4e00\u7279\u6027\uff09\uff0c\u53ef\u4ee5\u81ea\u52a8\u63d0\u53d6Command.InputBindings\u96c6\u5408\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5feb\u6377\u952e\uff08\u5982\u679c\u5b58\u5728\u7684\u8bdd\uff09<\/p>\n<h2><span id=\"i-7\">\u5fae\u8c03\u547d\u4ee4\u6587\u672c<\/span><\/h2>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u6280\u672f\u91cd\u7528\u547d\u4ee4\u6587\u672c<br \/>\n1. \u76f4\u63a5\u4ece\u9759\u6001\u547d\u4ee4\u5bf9\u8c61\u4e2d\u63d0\u53d6\u6587\u672c<br \/>\nXAML\u53ef\u4ee5\u4f7f\u7528Static\u6807\u8bb0\u6269\u5c55\u5b8c\u6210\u8fd9\u4e00\u4efb\u52a1<\/p>\n<pre><code class=\"language-XML line-numbers\">&lt;Button Command=\"New\" Content=\"{x:Staitc ApplicationCommands.New}\"&gt;&lt;\/Button&gt;\n<\/code><\/pre>\n<p>\u8be5\u65b9\u6cd5\u53ea\u662f\u8c03\u7528\u547d\u4ee4\u5bf9\u8c61\u7684toString()\uff0c\u5f97\u5230\u7684\u662f\u547d\u4ee4\u540d\uff0c\u800c\u4e0d\u662f\u547d\u4ee4\u7684\u6587\u672c\u3002<br \/>\n2. \u4f7f\u7528\u6570\u636e\u7ed1\u5b9a\u8868\u8fbe\u5f0f<\/p>\n<pre><code class=\"language-XML line-numbers\">&lt;Button Command=\"New\" Content=\"{Binding RelativeSource={RelativeSource Self},Path=Commmand.Text}\"&gt;&lt;\/Button&gt;\n<\/code><\/pre>\n<h2><span id=\"i-8\">\u76f4\u63a5\u8c03\u7528\u547d\u4ee4<\/span><\/h2>\n<p>\u5e76\u975e\u53ea\u80fd\u4f7f\u7528\u5b9e\u73b0\u4e86ICommandSource\u63a5\u53e3\u7684\u7c7b\u6765\u89e6\u53d1\u5e0c\u671b\u6267\u884c\u7684\u547d\u4ee4\u3002\u4e5f\u53ef\u4ee5\u7528Execute\uff08\uff09\u65b9\u6cd5\u76f4\u63a5\u8c03\u7528\u4efb\u4f55\u6765\u81ea\u65f6\u95f4\u5904\u7406\u7a0b\u5e8f\u7684\u65b9\u6cd5<\/p>\n<pre><code class=\"language-CSharp line-numbers\">ApplicationCommands.New.Execute(null,targetElement);\n<\/code><\/pre>\n<p>\u4e5f\u53ef\u4ee5\u5728\u5173\u8054CommandBinding\u5bf9\u8c61\u4e2d\u8c03\u7528Execute()\u65b9\u6cd5\u3002<\/p>\n<pre><code class=\"language-CSharp line-numbers\">this.CommandBinding[0].Command.Execute(null);\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u53ea\u4f7f\u7528\u4e86\u534a\u4e2a\u547d\u4ee4\u6a21\u578b\uff0c\u867d\u7136\u4e5f\u53ef\u89e6\u53d1\u547d\u4ee4\uff0c\u4f46\u4e0d\u80fd\u76f8\u5e94\u547d\u4ee4\u7684\u72b6\u6001\u53d8\u5316<\/p>\n<h2><span id=\"i-9\">\u7981\u7528\u547d\u4ee4<\/span><\/h2>\n<pre><code class=\"language-CSharp line-numbers\">\/\/\u521b\u5efa\u7ed1\u5b9a\nCommandBinding binding=new CommandBinding(ApplicationCommands.New);\n\n\/\/\u6dfb\u52a0\u4e8b\u4ef6\nbinding.Executed+=NewCommand_Executed;\nbinding.CanExecute+=NewCommand_CanExecute;\n\/\/\u6ce8\u518c\u7ed1\u5b9a\nthis.CommandBindings.Add(binding);\n<\/code><\/pre>\n<p>\u6216\u4f7f\u7528\u58f0\u660e\u65b9\u5f0f<\/p>\n<pre><code class=\"language-XML line-numbers\">&lt;Window.CommandBindings&gt;\n&lt;CommandBinding Command=\"ApplicationCommands.Save\" Executed=\"SaveCommand_Executed\" CanExectue=\"SaveCommand_CanExecute\"&gt;&lt;\/CommandBinding&gt;\n&lt;\/Window.CommandBindings&gt;\n<\/code><\/pre>\n<p>\u5728\u65f6\u95f4\u5904\u7406\u7a0b\u5e8f\u4e2d\uff0c\u53ea\u9700\u8981\u68c0\u67e5isDirty\u53d8\u91cf\uff0c\u5e76\u76f8\u5e94\u7684\u8bbe\u7f6eCanExecuteRoutedEventArg.CanExecute\u5c5e\u6027\uff1a<\/p>\n<pre><code class=\"language-CSharp line-numbers\">private void SaveCommand_CanExecute(object sender,CanExecuteRoutedEventArgs e)\n{\n    e.CanExecute = isDirty;\n}\n<\/code><\/pre>\n<h2><span id=\"i-10\">\u5177\u6709\u5185\u7f6e\u547d\u4ee4\u7684\u63a7\u4ef6<\/span><\/h2>\n<pre><code class=\"language-CSharp line-numbers\"> &lt;ToolBar DockPanel.Dock=\"Top\"&gt;\n       &lt;Button Command=\"Cut\"&gt;Cut&lt;\/Button&gt;\n       &lt;Button Command=\"Copy\"&gt;Copy&lt;\/Button&gt;\n       &lt;Button Command=\"Paste\"&gt;Paste&lt;\/Button&gt;\n&lt;\/ToolBar&gt;\n<\/code><\/pre>\n<p>\u5355\u51fb\u8fd9\u4e9b\u6309\u94ae\u4f1a\u590d\u5236\u3001\u526a\u5207\u6216\u7c98\u8d34\u95ee\u9898\u3002\u6587\u672c\u6846\u8fd8\u5904\u7406CanExecute\u4e8b\u4ef6\u3002ToolBar\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u903b\u8f91\uff0c\u53ef\u5c06\u5176\u5b50\u5143\u7d20\u7684CommandTarget\u5c5e\u6027\u52a8\u6001\u8bbe\u7f6e\u4e3a\u5f53\u524d\u5177\u6709\u7126\u70b9\u7684\u63a7\u4ef6<br \/>\n\u5982\u679c\u5728\u4e0d\u540c\u5bb9\u5668\uff08\u4e0d\u662fToolBar\u6216Menu\u63a7\u4ef6\uff09\u4e2d\u653e\u7f6e\u6309\u94ae\uff0c\u5c31\u4e0d\u4f1a\u83b7\u5f97\u8fd9\u4f18\u52bf\uff0c\u9664\u975e\u624b\u52a8\u8bbe\u7f6eCommandTarget\u5c5e\u6027\uff0c\u5426\u5219\u6309\u94ae\u4e0d\u80fd\u5de5\u4f5c\u3002<\/p>\n<pre><code class=\"language-XML line-numbers\"> &lt;ToolBar DockPanel.Dock=\"Top\"&gt;\n        &lt;Button Command=\"Cut\" commandTarget=\"{Binding ElementName=txtDocument}\"&gt;Cut&lt;\/Button&gt;\n        &lt;Button Command=\"Copy\" commandTarget=\"{Binding ElementName=txtDocument}\"&gt;Copy&lt;\/Button&gt;\n        &lt;Button Command=\"Paste\" commandTarget=\"{Binding ElementName=txtDocument}\"&gt;Paste&lt;\/Button&gt;\n&lt;\/ToolBar&gt;\n<\/code><\/pre>\n<p>\u53e6\u4e00\u4e2a\u8f83\u7b80\u5355\u7684\u9009\u62e9\u662f\u4f7f\u7528\u9644\u52a0\u5c5e\u6027FocusManager.IsFocusSCOPE\u7a7f\u4ef6\u65b0\u7684\u7126\u70b9\u8303\u56f4\u3002\u5f53\u89e6\u53d1\u547d\u4ee4\u65f6\uff0c\u8be5\u7126\u70b9\u8303\u56f4\u4f1a\u901a\u77e5WPF\u5728\u7236\u5143\u7d20\u7684\u7126\u70b9\u8303\u56f4\u5185\u67e5\u627e\u5143\u7d20\uff1a<\/p>\n<pre><code class=\"language-XML line-numbers\">&lt;StackPanel FocusManager.IsFocusScope=\"True\"&gt;\n    &lt;Button Command=\"Cut\"&gt;Cut&lt;\/Button&gt;\n    &lt;Button Command=\"Copy\"&gt;Copy&lt;\/Button&gt;\n    &lt;Button Command=\"Paste\"&gt;Paste&lt;\/Button&gt;\n&lt;\/StackPanel&gt;\n<\/code><\/pre>\n<p>\u8be5\u65b9\u6cd5\u6709\u4e00\u4e2a\u9644\u52a0\u4f18\u70b9\uff0c\u76f8\u540c\u7684\u547d\u4ee4\u53ef\u7528\u4e8e\u591a\u4e2a\u63a7\u4ef6\u3002Menu\u548cToolbar\u63a7\u4ef6\u9ed8\u8ba4\u5c06FocusManager.IsFocusScope\u5c5e\u6027\u8bbe\u7f6e\u4e3aTrue\u3002<br \/>\n\u5728\u6781\u5c11\u6570\u60c5\u51b5\uff0c\u60a8\u53ef\u80fd\u53d1\u73b0\u63a7\u4ef6\u652f\u6301\u5185\u7f6e\u547d\u4ee4\uff0c\u800c\u60a8\u5e76\u4e0d\u60f3\u542f\u7528\u5b83\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u91c7\u7528\u4e09\u79cd\u65b9\u6cd5\u7981\u7528\u547d\u4ee4\uff1a<br \/>\n1. \u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u63a7\u4ef6\u4f1a\u63d0\u4f9b\u7528\u4e8e\u5173\u95ed\u547d\u4ee4\u652f\u6301\u7684\u5c5e\u6027<br \/>\n\u4f8b\u5982\uff0cTextBox\u63a7\u4ef6\u63d0\u4f9b\u4e86IsUndoEnabled\u5c5e\u6027\uff0c\u4e3a\u4e86\u963b\u6b62Undo\u7279\u6027\uff0c\u53ef\u5c06\u8be5\u5c5e\u6027\u8bbe\u7f6e\u4e3afalse\u3002<br \/>\n2. \u5982\u679c\u8fd9\u79cd\u505a\u6cd5\u884c\u4e0d\u901a\uff0c\u53ef\u4e3a\u5e0c\u671b\u7981\u7528\u7684\u547d\u4ee4\u6dfb\u52a0\u65b0\u7684\u547d\u4ee4\u7ed1\u5b9a\u3002\u7136\u540e\u8be5\u547d\u4ee4\u7ed1\u5b9a\u53ef\u63d0\u4f9b\u65b0\u7684CanExecute\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u5e76\u603b\u662f\u54cd\u5e94false.<br \/>\n\u4e0b\u9762\u4e3e\u4e00\u4e2a\u4f7f\u7528\u8be5\u6280\u672f\u4e0a\u5220\u9664\u6587\u672c\u6846Cut\u7279\u6027\u652f\u6301\u7684\u793a\u4f8b\u201c<\/p>\n<pre><code class=\"language-CSharp line-numbers\">CommandBinding commandBinding=new CommandBinding(ApplicationCommands.Cut,null,SuppressCommand);\ntxt.CommandBindings.Add(commandBinding);\n\/\/\u6539\u65f6\u95f4\u5904\u7406\u7a0b\u5e8f\u8bbe\u7f6eCanExecute\u72b6\u6001\uff1a\nprivate void SuppressCommand(object sender, CanExecuteRoutedEventArgs e)\n{\n    e.CanExecute=false;\n    e.Handled=true;\n}\n<\/code><\/pre>\n<p>\u4e0a\u9762\u7684\u827e\u739b\u8bbe\u7f6e\u4e86Hanlded\u6807\u5fd7\u4ee5\u7ec4\u7ec7\u6587\u672c\u6846\u81ea\u6211\u6267\u884c\u8ba1\u7b97\uff0c\u800c\u6587\u672c\u6846\u53ef\u80fd\u5c06CanExecute\u5c5e\u6027\u8bbe\u7f6e\u4e3atrue.<br \/>\n\u8be5\u65b9\u6cd5\u5e76\u4e0d\u5b8c\u7f8e\uff0c\u4ed6\u53ef\u6210\u529f\u5730\u4e3a\u6587\u672c\u6846\u7981\u7528Cut\u5feb\u6377\u952e\u4e0a\u4e0a\u4e0b\u6587\u83dc\u5355\u4e2d\u7684Cut\u547d\u4ee4\uff0c\u7136\u800c\uff0c\u4ecd\u4f1a\u5728\u4e0a\u4e0b\u6587\u83dc\u5355\u4e2d\u663e\u793a\u5904\u4e8e\u7981\u7528\u7684\u8be5\u9009\u9879\u3002<br \/>\n3. \u4f7f\u7528InputBinding\u96c6\u5408\u5220\u9664\u89e6\u53d1\u547d\u4ee4\u7684\u8f93\u5165<br \/>\n\u4f8b\u5982\uff0c\u53ef\u4f7f\u7528\u4ee3\u7801\u7981\u7528\u89e6\u53d1TextBox\u7a7a\u95f4\u4e2dCopy\u547d\u4ee4\u7684Ctrl+C\u7ec4\u5408\u952e\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code class=\"language-CSharp line-numbers\">KeyBinding keyBinding=new KeyBinding(ApplicationCommands.NotACommand,Key.C,ModifierKeys.Control);\ntxt.InputBindings.Add(keyBinding);\n<\/code><\/pre>\n<p>\u6280\u5de7\u662f\u4f7f\u7528\u8fd9\u79cd\u7279\u5b9a\u7684ApplicationCommands.NotACommand\u503c\uff0c\u8be5\u547d\u4ee4\u4ec0\u4e48\u90fd\u4e0d\u4f5c\uff0c\u5b83\u4e13\u95e8\u7528\u4e8e\u7981\u7528\u8f93\u5165\u7ed1\u5b9a\u3002<br \/>\n\u5f53\u65f6\u7528\u8fd9\u79cd\u65b9\u6cd5\u662f\uff0c\u4ecd\u542f\u7528Copy\u547d\u4ee4\uff0c\u53ef\u901a\u8fc7\u81ea\u5df1\u521b\u5efa\u7684\u6309\u94ae\u89e6\u53d1\u8be5\u547d\u4ee4\uff08\u6216\u4f7f\u7528\u6587\u672c\u6846\u7684\u4e0a\u4e0b\u6587\u83dc\u5355\u89e6\u53d1\u547d\u4ee4\uff0c\u9664\u975e\u4e5f\u901a\u8fc7\u5c06ContextMenu\u5c5e\u6027\u8bbe\u7f6e\u4e3anull\u5220\u9664\u4e86\u4e0a\u4e0b\u6587\u83dc\u5355\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Contents1 \u7406\u89e3\u547d\u4ee42 WPF\u547d\u4ee4\u6a21\u578b3 ICommand \u63a5\u53e34 RoutedCommand\u7c7b5 R [&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-903","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\/903","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=903"}],"version-history":[{"count":3,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/903\/revisions"}],"predecessor-version":[{"id":908,"href":"https:\/\/www.wayln.com\/index.php?rest_route=\/wp\/v2\/posts\/903\/revisions\/908"}],"wp:attachment":[{"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wayln.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}