CommandMapperExtensions.PrependToMapping 方法

定义

命名空间:

Microsoft.Maui

程序集:

Microsoft.Maui.dll

重载

PrependToMapping<TVirtualView,TViewHandler>(CommandMapper<TVirtualView,TViewHandler>, String, Action<TViewHandler,TVirtualView,Object>)	指定要在现有命令映射之前运行的方法。
PrependToMapping<TVirtualView,TViewHandler>(ICommandMapper<IElement,IElementHandler>, String, Action<TViewHandler,TVirtualView,Object>)	指定要在现有命令映射之前运行的方法，但如果类型不匹配，则跳过。
PrependToMapping<TVirtualView,TViewHandler>(ICommandMapper<TVirtualView,TViewHandler>, String, Action<TViewHandler,TVirtualView,Object>)	指定要在现有命令映射之前运行的方法。

PrependToMapping<TVirtualView,TViewHandler>(CommandMapper<TVirtualView,TViewHandler>, String, Action<TViewHandler,TVirtualView,Object>)

Source:

CommandMapperExtensions.cs

指定要在现有命令映射之前运行的方法。

public:
generic <typename TVirtualView, typename TViewHandler>
 where TVirtualView : Microsoft::Maui::IElement where TViewHandler : Microsoft::Maui::IElementHandler[System::Runtime::CompilerServices::Extension]
 static void PrependToMapping(Microsoft::Maui::CommandMapper<TVirtualView, TViewHandler> ^ commandMapper, System::String ^ key, Action<TViewHandler, TVirtualView, System::Object ^> ^ method);

public static void PrependToMapping<TVirtualView,TViewHandler> (this Microsoft.Maui.CommandMapper<TVirtualView,TViewHandler> commandMapper, string key, Action<TViewHandler,TVirtualView,object?> method) where TVirtualView : Microsoft.Maui.IElement where TViewHandler : Microsoft.Maui.IElementHandler;

static member PrependToMapping : Microsoft.Maui.CommandMapper<'VirtualView, 'ViewHandler (requires 'VirtualView :> Microsoft.Maui.IElement and 'ViewHandler :> Microsoft.Maui.IElementHandler)> * string * Action<'ViewHandler, 'VirtualView, obj (requires 'ViewHandler :> Microsoft.Maui.IElementHandler and 'VirtualView :> Microsoft.Maui.IElement)> -> unit (requires 'VirtualView :> Microsoft.Maui.IElement and 'ViewHandler :> Microsoft.Maui.IElementHandler)

<Extension()>
Public Sub PrependToMapping(Of TVirtualView As IElement, TViewHandler As IElement) (commandMapper As CommandMapper(Of TVirtualView, TViewHandler), key As String, method As Action(Of TViewHandler, TVirtualView, Object))

类型参数

TVirtualView

跨平台类型。

TViewHandler

处理程序类型。

参数

commandMapper

CommandMapper<TVirtualView,TViewHandler>

要在其中更改映射的命令映射器。

key

String

命令的名称。

method

Action<TViewHandler,TVirtualView,Object>

在现有映射开始之前要调用的方法。

PrependToMapping<TVirtualView,TViewHandler>(ICommandMapper<IElement,IElementHandler>, String, Action<TViewHandler,TVirtualView,Object>)

Source:

CommandMapperExtensions.cs

指定要在现有命令映射之前运行的方法，但如果类型不匹配，则跳过。

public:
generic <typename TVirtualView, typename TViewHandler>
 where TVirtualView : Microsoft::Maui::IElement where TViewHandler : Microsoft::Maui::IElementHandler[System::Runtime::CompilerServices::Extension]
 static void PrependToMapping(Microsoft::Maui::ICommandMapper<Microsoft::Maui::IElement ^, Microsoft::Maui::IElementHandler ^> ^ commandMapper, System::String ^ key, Action<TViewHandler, TVirtualView, System::Object ^> ^ method);

public static void PrependToMapping<TVirtualView,TViewHandler> (this Microsoft.Maui.ICommandMapper<Microsoft.Maui.IElement,Microsoft.Maui.IElementHandler> commandMapper, string key, Action<TViewHandler,TVirtualView,object?> method) where TVirtualView : Microsoft.Maui.IElement where TViewHandler : Microsoft.Maui.IElementHandler;

static member PrependToMapping : Microsoft.Maui.ICommandMapper<Microsoft.Maui.IElement, Microsoft.Maui.IElementHandler> * string * Action<'ViewHandler, 'VirtualView, obj (requires 'ViewHandler :> Microsoft.Maui.IElementHandler and 'VirtualView :> Microsoft.Maui.IElement)> -> unit (requires 'VirtualView :> Microsoft.Maui.IElement and 'ViewHandler :> Microsoft.Maui.IElementHandler)

<Extension()>
Public Sub PrependToMapping(Of TVirtualView As IElement, TViewHandler As IElement) (commandMapper As ICommandMapper(Of IElement, IElementHandler), key As String, method As Action(Of TViewHandler, TVirtualView, Object))

类型参数

TVirtualView

跨平台类型。

TViewHandler

处理程序类型。

参数

commandMapper

ICommandMapper<IElement,IElementHandler>

要在其中更改映射的命令映射器。

key

String

命令的名称。

method

Action<TViewHandler,TVirtualView,Object>

在现有映射开始之前要调用的方法。

PrependToMapping<TVirtualView,TViewHandler>(ICommandMapper<TVirtualView,TViewHandler>, String, Action<TViewHandler,TVirtualView,Object>)

Source:

CommandMapperExtensions.cs

指定要在现有命令映射之前运行的方法。

public:
generic <typename TVirtualView, typename TViewHandler>
 where TVirtualView : Microsoft::Maui::IElement where TViewHandler : Microsoft::Maui::IElementHandler[System::Runtime::CompilerServices::Extension]
 static void PrependToMapping(Microsoft::Maui::ICommandMapper<TVirtualView, TViewHandler> ^ commandMapper, System::String ^ key, Action<TViewHandler, TVirtualView, System::Object ^> ^ method);

public static void PrependToMapping<TVirtualView,TViewHandler> (this Microsoft.Maui.ICommandMapper<TVirtualView,TViewHandler> commandMapper, string key, Action<TViewHandler,TVirtualView,object?> method) where TVirtualView : Microsoft.Maui.IElement where TViewHandler : Microsoft.Maui.IElementHandler;

static member PrependToMapping : Microsoft.Maui.ICommandMapper<'VirtualView, 'ViewHandler (requires 'VirtualView :> Microsoft.Maui.IElement and 'ViewHandler :> Microsoft.Maui.IElementHandler)> * string * Action<'ViewHandler, 'VirtualView, obj (requires 'ViewHandler :> Microsoft.Maui.IElementHandler and 'VirtualView :> Microsoft.Maui.IElement)> -> unit (requires 'VirtualView :> Microsoft.Maui.IElement and 'ViewHandler :> Microsoft.Maui.IElementHandler)

<Extension()>
Public Sub PrependToMapping(Of TVirtualView As IElement, TViewHandler As IElement) (commandMapper As ICommandMapper(Of TVirtualView, TViewHandler), key As String, method As Action(Of TViewHandler, TVirtualView, Object))

类型参数

TVirtualView

跨平台类型。

TViewHandler

处理程序类型。

参数

commandMapper

ICommandMapper<TVirtualView,TViewHandler>

要在其中更改映射的命令映射器。

key

String

命令的名称。

method

Action<TViewHandler,TVirtualView,Object>

在现有映射开始之前要调用的方法。