Convert.ToInt64 Method (Single)

Parameters

• value
  Type: System.Single
  A single-precision floating point number.

Return Value

Type: System.Int64
value rounded to the nearest 64-bit signed integer. If value is halfway between two whole numbers, the even number is returned; that is, 4.5 is converted to 4, and 5.5 is converted to 6.

Public Sub ConvertLongFloat(ByVal longVal As Long)

   Dim floatVal As Single

   ' A conversion from Long to float cannot overflow.
   floatVal = System.Convert.ToSingle(longVal)
   outputBlock.Text &= String.Format("{0} as a float is {1}", _
                             longVal, floatVal) & vbCrLf

   ' A conversion from float to long can overflow.
   Try
      longVal = System.Convert.ToInt64(floatVal)
      outputBlock.Text &= String.Format("{0} as a Long is {1}", _
                                floatVal, longVal) & vbCrLf
   Catch exception As System.OverflowException
      outputBlock.Text &= String.Format( _
          "Overflow in float-to-long conversion.") & vbCrLf
   End Try
End Sub

public void ConvertLongFloat(long longVal)
{
   float floatVal;

   // A conversion from Long to float cannot overflow.
   floatVal = System.Convert.ToSingle(longVal);
   outputBlock.Text += String.Format("{0} as a float is {1}",
         longVal, floatVal) + "\n";

   // A conversion from float to long can overflow.
   try
   {
      longVal = System.Convert.ToInt64(floatVal);
      outputBlock.Text += String.Format("{0} as a long is {1}",
         floatVal, longVal) + "\n";
   }
   catch (System.OverflowException)
   {
      outputBlock.Text += String.Format(
         "Overflow in float-to-long conversion.") + "\n";
   }
}