You receive a “Run-time error '4609': "String too long" error message when you assign a value to a FormField object in Word


When you try to assign the value of a variable containing more than 255 characters to a FormField object, you receive the following error message:
Run-time error '4609': "String too long"


The following example macro causes the error that is mentioned in the Symptoms section:
   Sub StringTooLongError()
Dim sMyVar As String
sMyVar = String(256, "x")
ActiveDocument.FormFields(1).Result = sMyVar
End Sub


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The following example Visual Basic for Applications code sets text that is greater than 255 characters in length to the form field named Text1:
   Sub WorkAround255Limit()
' Set Text1 form field to a unique string.
ActiveDocument.FormFields("text1").Result = "****"
If ActiveDocument.ProtectionType <> wdNoProtection Then
End If
Selection.GoTo What:=wdGoToBookmark, Name:="Text1"
Selection.MoveRight wdCharacter, 1
Selection.TypeText (String(256, "W"))
Selection.GoTo what:=wdGoToBookmark, Name:="Text1"
' Remove unique characters from Text1 form field.
With Selection.Find
.Execute findtext:="*", replacewith:="", replace:=wdReplaceAll
End With
ActiveDocument.Protect Password:="", NoReset:=True, Type:= _
End Sub


For additional informationabout how to obtain help with Visual Basic, click the following article numbers to view the articles in the Microsoft Knowledge Base:
163435 VBA: Programming Resources for Visual Basic for Applications

For additional information, click the following article numbers to view the articles in the Microsoft Knowledge Base:

305326 OFFXP: Programming resources for Visual Basic for Applications

226118 OFF2000: Programming resources for Visual Basic for Applications