using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.Windows.Input;

namespace?Client.MVVM
{
????///?

????///?A?command?whose?sole?purpose?is?to?relay?its?functionality?to?other?objects?by?invoking?delegates.?
????///?The?default?return?value?for?the?CanExecute?method?is?‘true‘.
????///?

????public?class?RelayCommand?:?ICommand
????{

????????#region?Declarations

????????private?readonly?Func?_canExecute;
????????private?readonly?Action?_execute;

????????#endregion

????????#region?Constructors

????????///?

????????///?Initializes?a?new?instance?of?the??class?and?the?command?can?always?be?executed.
????????///?

????????///?The?execution?logic.
????????public?RelayCommand（Action?execute）?:?this（execute?null）
????????{
????????}

????????///?

????????///?Initializes?a?new?instance?of?the??class.
????????///?

????????///?The?execution?logic.
????????///?The?execution?status?logic.
????????public?RelayCommand（Action?execute?Func?canExecute）
????????{
????????????if?（execute?==?null）
????????????????throw?new?ArgumentNullException（“execute“）;
????????????_execute?=?execute;
????????????_canExecute?=?canExecute;
????????}

????????#endregion

????????#region?ICommand?Members

????????public?event?EventHandler?CanExecuteChanged
????????{
????????????add
????????????{
????????????????if?（_canExecute?!=?null）
????????????????????CommandManager.RequerySuggested?+=?value;
????????????}
????????????remove
????????????{

????????????????if?（_canExecute?!=?null）
????????????????????CommandManager.RequerySuggested?-=?value;
????????????}
????????}

????????public?Boolean?CanExecute（object?parameter）
????????{
????????????return?_canExecute?==?null???true?:?_canExecute（）;
????????}

????????public?void?Execute（object?parameter）
????????{
????????????_execute（）;
????????}

????????#endregion
????}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-16?21:10??SearchableTextBoxExample\
?????目錄???????????0??2017-12-16?20:48??SearchableTextBoxExample\.vs\
?????目錄???????????0??2017-12-16?20:48??SearchableTextBoxExample\.vs\SearchableTextBoxExample\
?????目錄???????????0??2017-12-16?20:48??SearchableTextBoxExample\.vs\SearchableTextBoxExample\v15\
?????文件???????96768??2017-12-16?21:14??SearchableTextBoxExample\.vs\SearchableTextBoxExample\v15\.suo
?????目錄???????????0??2017-12-16?21:10??SearchableTextBoxExample\Client.MVVM\
?????文件????????2677??2017-12-16?20:12??SearchableTextBoxExample\Client.MVVM\Client.MVVM.csproj
?????目錄???????????0??2017-12-16?21:10??SearchableTextBoxExample\Client.MVVM\Properties\
?????文件????????1358??2017-12-16?20:12??SearchableTextBoxExample\Client.MVVM\Properties\AssemblyInfo.cs
?????文件????????2183??2017-12-16?20:12??SearchableTextBoxExample\Client.MVVM\RelayCommand.cs
?????文件????????1026??2017-12-16?20:12??SearchableTextBoxExample\Client.MVVM\UIManager.cs
?????文件????????1154??2017-12-16?20:12??SearchableTextBoxExample\Client.MVVM\ViewModelbase.cs
?????目錄???????????0??2017-12-16?21:10??SearchableTextBoxExample\Client.MVVM\bin\
?????目錄???????????0??2017-12-16?21:10??SearchableTextBoxExample\Client.MVVM\bin\Debug\
?????文件????????6656??2017-12-16?20:16??SearchableTextBoxExample\Client.MVVM\bin\Debug\Client.MVVM.dll
?????文件???????17920??2017-12-16?20:16??SearchableTextBoxExample\Client.MVVM\bin\Debug\Client.MVVM.pdb
?????目錄???????????0??2017-12-16?22:06??SearchableTextBoxExample\Client.MVVM\bin\Release\
?????目錄???????????0??2017-12-16?21:10??SearchableTextBoxExample\Client.MVVM\obj\
?????目錄???????????0??2017-12-16?21:10??SearchableTextBoxExample\Client.MVVM\obj\Debug\
?????文件?????????468??2017-12-16?20:16??SearchableTextBoxExample\Client.MVVM\obj\Debug\Client.MVVM.csproj.FileListAbsolute.txt
?????文件????????2213??2017-12-16?20:16??SearchableTextBoxExample\Client.MVVM\obj\Debug\Client.MVVM.csprojResolveAssemblyReference.cache
?????文件????????6656??2017-12-16?20:16??SearchableTextBoxExample\Client.MVVM\obj\Debug\Client.MVVM.dll
?????文件???????17920??2017-12-16?20:16??SearchableTextBoxExample\Client.MVVM\obj\Debug\Client.MVVM.pdb
?????文件??????????42??2017-12-16?21:11??SearchableTextBoxExample\Client.MVVM\obj\Debug\CoreCompileInputs.cache
?????文件?????????711??2017-12-16?20:53??SearchableTextBoxExample\Client.MVVM\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6883??2017-12-16?21:11??SearchableTextBoxExample\Client.MVVM\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????目錄???????????0??2017-12-16?22:06??SearchableTextBoxExample\Client.MVVM\obj\Debug\TempPE\
?????目錄???????????0??2017-12-16?21:10??SearchableTextBoxExample\Client.MVVM\obj\Release\
?????文件??????????42??2017-12-16?20:12??SearchableTextBoxExample\Client.MVVM\obj\Release\CoreCompileInputs.cache
?????目錄???????????0??2017-12-16?21:15??SearchableTextBoxExample\SearchableTextBox\
?????目錄???????????0??2017-12-16?21:02??SearchableTextBoxExample\SearchableTextBox\Converters\
............此處省略103個(gè)文件信息