Overloads Function ChangeText( _
   ByVal currText As String, _
   ByVal selStart As Integer, _
   ByVal selLength As Integer, _
   ByVal insertText As String, _
   ByRef resultText As String, _
   ByRef resultCaretPos As Integer, _
   ByVal validateChanges As Boolean _
) As Boolean

Dim instance As IManageFmtInput
Dim currText As String
Dim selStart As Integer
Dim selLength As Integer
Dim insertText As String
Dim resultText As String
Dim resultCaretPos As Integer
Dim validateChanges As Boolean
Dim value As Boolean
 
value = instance.ChangeText(currText, selStart, selLength, insertText, resultText, resultCaretPos, validateChanges)

bool ChangeText( 
   string currText,
   int selStart,
   int selLength,
   string insertText,
   out string resultText,
   out int resultCaretPos,
   bool validateChanges
)