private void LineLoadInformation(LineLoad lineLoad)
{
     StringBuilder information = new StringBuilder("Line Load: ");

     // Get the load case name
     information.Append("\nLoad case for load: " + lineLoad.LoadCaseName);

     //Get the three dimensional force applied to the start point and end point of the line load.
     information.Append("\nForce at the start of this line load: " + XYZToString(lineLoad.ForceVector1));
     information.Append("\nForce at the end of this line load: " + XYZToString(lineLoad.ForceVector2));

     //Get the three dimensional location of the start point and end point for the line load.
     information.Append("\nStart point of this line load: " + XYZToString(lineLoad.StartPoint));
     information.Append("\nEnd Point of this line load: " + XYZToString(lineLoad.EndPoint));

     //Get the three dimensional moment applied to the start point and end point of the line load.
     information.Append("\nMoment at the start of this line load: " + XYZToString(lineLoad.MomentVector1));
     information.Append("\nMoment at the end of this line load: " + XYZToString(lineLoad.MomentVector2));

     //Whether the load is projected or not
     if (lineLoad.IsProjected)
     {
         information.Append("\nThis line load is projected.");
     }
     else
     {
         information.Append("\nThis line load is not projected");
     }

     //Report if the load is uniform
     if (false != lineLoad.IsUniform)
     {
         information.Append("\nThis load is uniform.");
     }
     else
     {
         information.Append("\nThis load is not uniform.");
     }

     //show information of lineload in a MessageBox.
     TaskDialog.Show("Revit",information.ToString());
 }

 // output the point's three coordinates
 string XYZToString(XYZ point)
 {
     return "(" + point.X + ", " + point.Y + ", " + point.Z + ")";
 }

Private Sub LineLoadInformation(lineLoad As LineLoad)
    Dim information As New StringBuilder("Line Load: ")

    ' Get the load case name
    information.Append(vbLf & "Load case for load: " & Convert.ToString(lineLoad.LoadCaseName))

    'Get the three dimensional force applied to the start point and end point of the line load.
 information.Append(vbLf & "Force at the start of this line load: " & XYZToString(lineLoad.ForceVector1))
 information.Append(vbLf & "Force at the end of this line load: " & XYZToString(lineLoad.ForceVector2))

    'Get the three dimensional location of the start point and end point for the line load.
    information.Append(vbLf & "Start point of this line load: " & XYZToString(lineLoad.StartPoint))
    information.Append(vbLf & "End Point of this line load: " & XYZToString(lineLoad.EndPoint))

    'Get the three dimensional moment applied to the start point and end point of the line load.
 information.Append(vbLf & "Moment at the start of this line load: " & XYZToString(lineLoad.MomentVector1))
 information.Append(vbLf & "Moment at the end of this line load: " & XYZToString(lineLoad.MomentVector2))

    'Whether the load is projected or not
 If lineLoad.IsProjected Then
    information.Append(vbLf & "This line load is projected.")
 Else
    information.Append(vbLf & "This line load is not projected")
 End If

    'Report if the load is uniform
 If False <> lineLoad.IsUniform Then
    information.Append(vbLf & "This load is uniform.")
 Else
    information.Append(vbLf & "This load is not uniform.")
 End If

    'show information of lineload in a MessageBox.
    TaskDialog.Show("Revit", information.ToString())
End Sub

' output the point's three coordinates
Private Function XYZToString(point As XYZ) As String
    Return "(" & Convert.ToString(point.X) & ", " & Convert.ToString(point.Y) & ", " & Convert.ToString(point.Z) & ")"
End Function