ArcObjects Library Reference  (System)    

ScientificFormat Example

  1. Copy the code below.
  2. In ArcMap, select Macros... from Tools | Macros (or press Alt-F8).
  3. Enter a new macro name and click the Create button.
  4. Paste the copied code into the code pane.
  5. Press F5 to run the macro. 
[Visual Basic 6.0]
Sub ScientificFormatExample()
  ' Create a ScientificFormat object and set ScientificFormat 
  ' options through the IScientificNumberFormat interface
  Dim pScientificFormat As IScientificNumberFormat
  Set pScientificFormat = New ScientificFormat
  With pScientificFormat
    .DecimalPlaces = 2    '1 less than the number of significant digits
  End With
  
  ' ValueToString & StringToValue methods are in the 
  ' INumberFormat interface.  QI for INumberFormat 
  ' to use them.
  Dim pNumberFormat As INumberFormat
  Set pNumberFormat = pScientificFormat
  
  ' Format a value
  Dim dValue As Double, sV2S As String, dS2V As Double
  dValue = 1500
  
  ' ValueToString() returns a formatted string, but 
  ' does not change the passed in numerical value
  sV2S = pNumberFormat.ValueToString(dValue)
  
  ' StringToValue() translates formatted 
  ' strings back to their original value
  dS2V = pNumberFormat.StringToValue(sV2S)
  
  MsgBox "ValueToString(" & dValue & ") = '" & sV2S & "'" & vbNewLine & _
         "StringToValue('" & sV2S & "') = " & dS2V, , _
         "ScientificFormat"
End Sub

[Visual Basic .NET, C#, C++]
No example is available for Visual Basic .NET, C#, or C++. To view a Visual Basic 6.0 example, click the Language Filter button Language Filter in the upper-left corner of the page.