_Application.UserControl Property
True if the application is visible or if it was created or started by the user. False if you created or started the application programmatically by using the CreateObject or GetObject functions and the application is hidden.
Namespace: Microsoft.Office.Interop.Excel
Assembly: Microsoft.Office.Interop.Excel (in Microsoft.Office.Interop.Excel.dll)
Syntax
'Declaration
Property UserControl As Boolean
Get
Set
'Usage
Dim instance As _Application
Dim value As Boolean
value = instance.UserControl
instance.UserControl = value
bool UserControl { get; set; }
Property Value
Type: System.Boolean
Remarks
When the UserControl property is False for an object, that object is released when the last programmatic reference to the object is released. If this property is False, Microsoft Excel quits when the last object in the session is released.