UserProperty.Formula Property (Outlook)
Returns or sets a String representing the formula for the user property. Read/write.
Syntax
expression .Formula
expression A variable that represents a UserProperty object.
Example
The following Visual Basic for Applications (VBA) example shows how to use the Formula property.
Sub TestFormula()
Dim tki As Outlook.TaskItem
Dim uprs As Outlook.UserProperties
Dim upr As Outlook.UserProperty
Set tki = Application.CreateItem(olTaskItem)
tki.Subject = "Work hours - Test Formula"
' TotalWork and ActualWork are in units of minutes
tki.TotalWork = 4 * 60
tki.ActualWork = 3 * 60
Set uprs = tki.UserProperties
Set upr = uprs.Add("Total&ActualWork", olFormula)
upr.Formula = "[Total Work] + [Actual Work]"
tki.Save
tki.Display
MsgBox "The Work Hours are: " & upr.Value / 60
End Sub