ApplyUpdate Command

Purpose

It starts update installation wizard.

Parameters of Use

Command parameters are passed in the Data property. Executing the command requires to specify the following value in this property:

Value type	Description
IMetabase	The repository, within which the update installation wizard is to be started.

Application Features

Executing the command opens a file selection dialog box. After the required update file is selected, and the OK button us clicked, the installation wizard is started for the selected update.

Example

Executing the example requires a form and a button named Button1 on the form.

Sub Button1OnClick(Sender: Object; Args: IMouseEventArgs);
Var
    Target: IUiCommandTarget;
    Context: IUiCommandExecutionContext;
Begin
    Target := WinApplication.Instance.GetPluginTarget("MetabaseUpdate");
    Context := Target.CreateExecutionContext;
    Context.Data := MetabaseClass.Active;
    Target.Execute("ApplyUpdate", Context);
End Sub Button1OnClick;

Clicking the button opens a dialog box that is used to open update files (*.pef). After the file is selected, and the OK button is clicked, the update installation wizard is started within the current repository.