HCheckMemoAsynchronous (Function)

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HCheckMemoAsynchronous (Function)

In french: HVérifieMémoAsynchrone

Available only with this kind of connection

Checks the structural integrity of memos in an HFSQL Client/Server data file.

Subscription-exclusive new feature
This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2.
For more details, see Using new features exclusive to the subscription-based version of WINDEV Suite 2025.

Example

DatabaseConnection is Connection
FileArray is array of hFileParameter

MyFileParam is hFileParameter
MyFileParam.Name = "AvailableAction"
// MyFileParam.Password = ""
// The Option property is ignored
ArrayAdd(FileArray, MyFileParam)

HCheckMemoAsynchronous(DatabaseConnection, FileArray, CB_HCheckMemoAsynchronous)
	INTERNAL PROCEDURE CB_HCheckMemoAsynchronous(MyFile is string, MyResult is string)
		IF MyResult = "" THEN
			Trace("File processed and checked" + MyFile)
		ELSE
			Trace("File processed. Some problems were found " + MyFile)
		END
	END

Syntax

<Result> = HCheckMemoAsynchronous(<Connection> , <Data files to check> [, <WLanguage procedure>])

<Result>: Boolean

True if the check has been started,
False otherwise.

<Connection>: String or Connection variable

Connection to the server containing the data files to be manipulated. This connection corresponds to:
the name of the connection defined in the data model editor or with HDescribeConnection or HOpenConnection.
the name of a variable of type Connection.

<Data files to check>: Array of hFileParameter variables

Name of the array of hFileParameter variables corresponding to the list of data files to be processed.

<WLanguage procedure>: Optional procedure name

Name of the WLanguage procedure ("callback") called for each data file processed. This procedure is used to manipulate the current data file.
For more details on this procedure, see Parameters of the procedure used by HCheckMemoAsynchronous.

Remarks

The list of free blocks is checked in HFSQL Client/Server only.
HCheckMemoAsynchronous is faster than HReindexAsynchronous with the hCheckMemo constant..
If a problem is detected, you can use HReindexAsynchronous with the hCheckMemo constant.

Business / UI classification: Business Logic

Component: wd300hf.dll