IRtdServer.Heartbeat Method
Determines if the real-time data server is still active. Zero or a negative number indicates failure; a positive number indicates that the server is active.
Namespace: Microsoft.Office.Interop.Excel
Assembly: Microsoft.Office.Interop.Excel (in Microsoft.Office.Interop.Excel.dll)
Syntax
'Declaration
Function Heartbeat As Integer
'Usage
Dim instance As IRtdServer
Dim returnValue As Integer
returnValue = instance.Heartbeat()
int Heartbeat()
Return Value
Type: System.Int32
Remarks
The Heartbeat method is called by Microsoft Excel if the HeartbeatInterval property has elapsed since the last time Excel was called with the UpdateNotify method.