JCL Help:ReadMessageCheck

 JCL Help: ReadMessageCheck Function

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Summary

Determines the type of message.

Pascal

 function ReadMessageCheck(var Message: TMessage; const IgnoredOriginatorWnd: THandle): TJclAppInstDataKind;

Parameters

Parameters	Description
var Message: TMessage	The message to check (equals the single parameter of the WndProc).
const IgnoredOriginatorWnd: THandle	Specify the handle of the window to filter. If the message was send from that same window, the function returns False.

Return Value

If the message contains was not send from the window specified by the IgnoredOriginatorWnd window, the functon returns the data kind value of the message, otherwise it returns False.

Description

ReadMessageCheck determines whether the specified message is a JclAppInstance IPC message and returns it's data kind. Use the IgnoredOriginatorWnd to filter message send by the same window as the routine is being called from. Call this routine from an overridden WndProc, for example. See the AppInstance demo application for an example usage.

See Also

ReadMessageData ReadMessageString ReadMessageStrings

About

Unit

JclAppInst

Donator

Petr Vones

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