Determines whether the specified TrendLine exists in the collection.
            
        
    Namespace: 
   C1.Win.C1ChartAssembly: C1.Win.C1Chart.2 (in C1.Win.C1Chart.2.dll)
Syntax
| C# | 
|---|
public bool Contains( TrendLine tl )  | 
| Visual Basic | 
|---|
Public Function Contains ( _ tl As TrendLine _ ) As Boolean  | 
Parameters
- tl
 - Type: C1.Win.C1Chart..::..TrendLine
TrendLine.