FGX.Messaging.TfgMessageSender: различия между версиями

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Class to allow sending message notifications to a TObject '' Receiver '' .
 
Class to allow sending message notifications to a TObject '' Receiver '' .
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== Методы ==
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{| class="wikitable sortable"
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|-
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| <syntaxhighlight lang="Delphi">function</syntaxhighlight> || <code lang="Delphi">HasReceiver(): [[Boolean]]</code>
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Returns whether '' TMessageSender '' has a Receiver or not.
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|-
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| <syntaxhighlight lang="Delphi">procedure</syntaxhighlight> || <code lang="Delphi">SendMessage(const AMessageID: [[Word]])</code>
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Sends a message to an object.
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|-
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| <syntaxhighlight lang="Delphi">procedure</syntaxhighlight> || <code lang="Delphi">SendMessage(const AMessageID: [[Word]]; const AValue: [[T]])</code>
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Sends a message with value to an object.
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|-
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| <syntaxhighlight lang="Delphi">procedure</syntaxhighlight> || <code lang="Delphi">SendMessageWithResult(const AMessageID: [[Word]]; var AValue: [[T]])</code>
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Sends a message with value to an object and allows to get result from '' Receiver '' .
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|-
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| <syntaxhighlight lang="Delphi">procedure</syntaxhighlight> || <code lang="Delphi">DisableNotify()</code>
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Disables '' TMessageSender '' from sending messages.
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|-
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| <syntaxhighlight lang="Delphi">procedure</syntaxhighlight> || <code lang="Delphi">EnableNotify()</code>
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Enables '' TMessageSender '' to send messages. Use CanNotify to check whether TMessageSender can send messages.
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|-
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| <syntaxhighlight lang="Delphi">function</syntaxhighlight> || <code lang="Delphi">CanNotify(): [[Boolean]]</code>
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Returns whether '' TMessageSender '' can send messages.
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|}

Версия 04:52, 10 июня 2019

Delphi

TfgMessageSender = class (TfgPersistent)

Описание

Class to allow sending message notifications to a TObject Receiver .

Методы

function
HasReceiver(): Boolean

Returns whether TMessageSender has a Receiver or not.

procedure
SendMessage(const AMessageID: Word)

Sends a message to an object.

procedure
SendMessage(const AMessageID: Word; const AValue: T)

Sends a message with value to an object.

procedure
SendMessageWithResult(const AMessageID: Word; var AValue: T)

Sends a message with value to an object and allows to get result from Receiver .

procedure
DisableNotify()

Disables TMessageSender from sending messages.

procedure
EnableNotify()

Enables TMessageSender to send messages. Use CanNotify to check whether TMessageSender can send messages.

function
CanNotify(): Boolean

Returns whether TMessageSender can send messages.