HDeleteView (Function)

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HDeleteView (Function)

In french: HDétruitVue

Not available with this kind of connection

Warning
From version 20, the SQL views and the materialized views are available.
The views handled by this function correspond to the former mechanism of views. They do not correspond to SQL views or to materialized views.

Destroys a view that was created beforehand. This deletion removes everything that applies to the view, including its description. During this deletion, the records locked by the view (if they exist) are unlocked.

Versions 17 and later

This function is now available for iPhone/iPad applications.

New in version 17

This function is now available for iPhone/iPad applications.

Versions 18 and later

This function is now available in Windows Store apps mode.

New in version 18

This function is now available in Windows Store apps mode.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Note: From version 19, HFSQL is the new name of HyperFileSQL.

Example

See additional examples

// Delete the CUSTOMER34 view
IF HDeleteView(CUSTOMER34) = False THEN
Error("Error while deleting a view: " + HError())
ELSE
Info("The view was deleted.")
END

Syntax

<Result> = HDeleteView([<View name>])

<Result>: Boolean

True if the view was deleted,
False if a problem occurred: the view is not deleted. HError is used to identify the error.

<View name>: Optional character string (with or without quotes)

Name of the view to delete. This name was defined by HCreateView. If this parameter is not specified, HDeleteView handles the last view used.

Remarks

By default, when exiting from the application, all the existing views are deleted.

Component : wd240hf.dll