# InstallPopup

int InstallPopup (int panelHandle);

## Purpose

Displays and activates a panel as a modal dialog box.

You must call this function from the thread in which you create the panel.

While the modal dialog box is visible, the user cannot operate any other panels that you created in the same thread.

## Parameters

Input
Name | Type | Description
panelHandle | integer | Specifier for a particular panel that is currently in memory. You obtain this handle from LoadPanel, NewPanel, or DuplicatePanel.

## Return Value

Name | Type | Description
status | integer | Return value indicating whether the function was successful. A negative number indicates that an error occurred.
Code | Error Message String
xx | Success