Spread Windows Forms 12.0 Product Documentation
Heartbeat Method


GrapeCity.Spreadsheet Assembly > Microsoft.Office.Interop.Excel Namespace > IRtdServer Interface : 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.
Syntax
'Declaration
 
Function Heartbeat() As Integer
'Usage
 
Dim instance As IRtdServer
Dim value As Integer
 
value = instance.Heartbeat()
int Heartbeat()

Return Value

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.
See Also

Reference

IRtdServer Interface
IRtdServer Members