Class TrendlineCollection
Contents
[
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]TrendlineCollection class
Represents a collection of all the Trendline objects for the specified data series.
public class TrendlineCollection : CollectionBase<Trendline>
Properties
| Name | Description |
|---|---|
| Capacity { get; set; } | |
| Count { get; } | |
| Item { get; } | Gets a Trendline object by its index. |
| Item { get; set; } |
Methods
| Name | Description |
|---|---|
| Add(TrendlineType) | Adds a Trendline object to this collection with specified type. |
| Add(TrendlineType, string) | Adds a Trendline object to this collection with specified type and name. |
| BinarySearch(Trendline) | |
| BinarySearch(Trendline, IComparer<Trendline>) | |
| BinarySearch(int, int, Trendline, IComparer<Trendline>) | |
| Clear() | |
| Contains(Trendline) | |
| CopyTo(Trendline[]) | |
| CopyTo(Trendline[], int) | |
| CopyTo(int, Trendline[], int, int) | |
| Exists(Predicate<Trendline>) | |
| Find(Predicate<Trendline>) | |
| FindAll(Predicate<Trendline>) | |
| FindIndex(Predicate<Trendline>) | |
| FindIndex(int, Predicate<Trendline>) | |
| FindIndex(int, int, Predicate<Trendline>) | |
| FindLast(Predicate<Trendline>) | |
| FindLastIndex(Predicate<Trendline>) | |
| FindLastIndex(int, Predicate<Trendline>) | |
| FindLastIndex(int, int, Predicate<Trendline>) | |
| GetEnumerator() | |
| IndexOf(Trendline) | |
| IndexOf(Trendline, int) | |
| IndexOf(Trendline, int, int) | |
| LastIndexOf(Trendline) | |
| LastIndexOf(Trendline, int) | |
| LastIndexOf(Trendline, int, int) | |
| RemoveAt(int) |
Examples
[C#]
//Instantiating a Workbook object
Workbook workbook = new Workbook();
//Adding a new worksheet to the Excel object
int sheetIndex = workbook.Worksheets.Add();
//Obtaining the reference of the newly added worksheet by passing its sheet index
Worksheet worksheet = workbook.Worksheets[sheetIndex];
worksheet.Cells["A1"].PutValue(50);
worksheet.Cells["A2"].PutValue(100);
worksheet.Cells["A3"].PutValue(150);
worksheet.Cells["A4"].PutValue(200);
worksheet.Cells["B1"].PutValue(60);
worksheet.Cells["B2"].PutValue(32);
worksheet.Cells["B3"].PutValue(50);
worksheet.Cells["B4"].PutValue(40);
//Adding a chart to the worksheet
int chartIndex = workbook.Worksheets[0].Charts.Add(ChartType.Column, 3, 3, 15, 10);
Chart chart = workbook.Worksheets[0].Charts[chartIndex];
chart.NSeries.Add("A1:a3", true);
chart.NSeries[0].TrendLines.Add(TrendlineType.Linear, "MyTrendLine");
Trendline line = chart.NSeries[0].TrendLines[0];
line.DisplayEquation = true;
line.DisplayRSquared = true;
line.Color = Color.Red;
[Visual Basic]
'Instantiating a Workbook object
Dim workbook As Workbook = New Workbook()
'Adding a new worksheet to the Excel object
Dim sheetIndex As Int32 = workbook.Worksheets.Add()
'Obtaining the reference of the newly added worksheet by passing its sheet index
Dim worksheet As Worksheet = workbook.Worksheets(sheetIndex)
worksheet.Cells("A1").PutValue(50)
worksheet.Cells("A2").PutValue(100)
worksheet.Cells("A3").PutValue(150)
worksheet.Cells("A4").PutValue(200)
worksheet.Cells("B1").PutValue(60)
worksheet.Cells("B2").PutValue(32)
worksheet.Cells("B3").PutValue(50)
worksheet.Cells("B4").PutValue(40)
'Adding a chart to the worksheet
Dim chartIndex As Integer = workbook.Worksheets(0).Charts.Add(ChartType.Column,3,3,15,10)
Dim chart As Chart = workbook.Worksheets(0).Charts(chartIndex)
chart.NSeries.Add("A1:a3", True)
chart.NSeries(0).TrendLines.Add(TrendlineType.Linear, "MyTrendLine")
Dim line As Trendline = chart.NSeries(0).TrendLines(0)
line.DisplayEquation = True
line.DisplayRSquared = True
line.Color = Color.Red
See Also
- class CollectionBase<T>
- class Trendline
- namespace Aspose.Cells.Charts
- assembly Aspose.Cells
