JCL Help:TJclAppInstances.SendData

 JCL Help: TJclAppInstances.SendData Method

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Summary

Sends data to all instances.

Pascal

 public function SendData(const WindowClassName: string; const DataKind: TJclAppInstDataKind; Data: Pointer; const Size: Integer; OriginatorWnd: THandle): Boolean;

Parameters

Parameters	Description
const WindowClassName: string	The class name of the Window to send the data to.
const DataKind: TJclAppInstDataKind	User defined value to identify the type of data being send. Note that you cannot specify AppInstDataKindNoData (defined as -1) as this parameter.
Data: Pointer	The data to be send.
const Size: Integer	The size, in bytes, of the data pointed to by Data.
OriginatorWnd: THandle	Handle of the window from which the message is send.

Return Value

If the function succeeds it returns True, otherwise it returns False.

Description

SendData sends some generic data to all instances of this application. The data is send using a WM_COPYDATA message directed at the window whose classname equals the WindowClassName parameter.

See Also

TJclAppInstances.SendString TJclAppInstances.SendStrings

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Petr Vones

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