Creates a new linear grid line. 
   Namespace:   Autodesk.Revit.Creation  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
Syntax
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Parameters
- line
 -  Type:  Autodesk.Revit.DB Line  
A line object which represents the location of the grid line. 
Return Value
The newly created grid line.Remarks
 The line should be on a horizontal plane. 
 Examples
// Create the geometry line which the grid locates
XYZ start = new XYZ(0, 0, 0);
XYZ end = new XYZ(30, 30, 0);
Line geomLine = Line.CreateBound(start, end);
// Create a grid using the geometry line
Grid lineGrid = Grid.Create(document, geomLine);
if (null == lineGrid)
{
    throw new Exception("Create a new straight grid failed.");
}
// Modify the name of the created grid
lineGrid.Name = "New Name1";    ' Create the geometry line which the grid locates
   Dim start As New XYZ(0, 0, 0)
   Dim [end] As New XYZ(30, 30, 0)
   Dim geomLine As Line = Line.CreateBound(start, [end])
   ' Create a grid using the geometry line
Dim lineGrid As Grid = Grid.Create(document, geomLine)
   If lineGrid Is Nothing Then
       Throw New Exception("Create a new straight grid failed.")
   End If
   ' Modify the name of the created grid
   lineGrid.Name = "New Name1"