UiReport.OnBeforeDeleteControl

Syntax

Sub OnBeforeDeleteControl(Sender: Object; Args: IUiPrxControlCancelEventArgs);

Begin

//set of operators;

End Sub OnBeforeDeleteControl;

Parameters

Sender. The parameter that returns the component that generated the event.

Args. The parameter that enables the user to determine event parameters.

Description

The OnBeforeDeleteControl event occurs before deleting a control.

Comments

On changing a regular report control value the UiReport.OnChangeControlValue event occurs.

Example

Executing the example requires a form that contains the UiReport component with the UiReport1 identifier and a visualizer, which data source is the UiReport1 component. Specify a regular report, which active sheet contains controls, as a data source for the UiReport1 component.

The example is the OnBeforeDeleteControl event handler for the UiReport1 component.

Add a link to the Ui system assembly.

Sub UiReport1OnBeforeDeleteControl(Sender: Object; Args: IUiPrxControlCancelEventArgs);
Begin
    If Not WinApplication.ConfirmationBox("Remove control?") Then
        Args.Cancel := True;
    End If;
End Sub UiReport1OnBeforeDeleteControl;

Before removing a control it is prompted to confirm the executed action. If the answer is positive, the control is removed, otherwise, it is not.