FGX.Messaging.TfgMessageSender
Delphi
TfgMessageSender = class (TfgPersistent)
TPersistent -> TfgPersistent -> TfgMessageSender
Прямые наследники: TfgNativeControlHandle
Описание
Class to allow sending message notifications to a TObject Receiver .
Методы
function
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HasReceiver(): Boolean
Returns whether TMessageSender has a Receiver or not. |
procedure
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SendMessage(const AMessageID: Word)
Sends a message to an object. |
procedure
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SendMessage(const AMessageID: Word; const AValue: T)
Sends a message with value to an object. |
procedure
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SendMessageWithResult(const AMessageID: Word; var AValue: T)
Sends a message with value to an object and allows to get result from Receiver . |
procedure
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DisableNotify()
Disables TMessageSender from sending messages. |
procedure
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EnableNotify()
Enables TMessageSender to send messages. Use CanNotify to check whether TMessageSender can send messages. The model reads quantity of calls of DisableNotify . So all calls of DisableNotify and EnableNotify shall be pairs.
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function
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CanNotify(): Boolean
Returns whether TMessageSender can send messages. |
Свойства
property
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Receiver: TObject
Returns the object that receives the message. |