Управление легендой диаграмм Excel
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Параметры легенды
Aspose.Cells также позволяет управлять легендой диаграммы во время выполнения, с помощью объекта Legend, легенду можно перемещать, обновлять и форматировать.
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Установка легенды диаграммы
Управлять легендой диаграммы с помощью Aspose.Cells Legend просто.
Следующий фрагмент кода демонстрирует, как управлять легендой:
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// Instantiating a Workbook object | |
Workbook workbook = new Workbook(); | |
// Adding a new worksheet to the Workbook object | |
int sheetIndex = workbook.Worksheets.Add(); | |
// Obtaining the reference of the newly added worksheet by passing its sheet index | |
Worksheet worksheet = workbook.Worksheets[sheetIndex]; | |
// Adding sample values to cells | |
worksheet.Cells["A1"].PutValue(50); | |
worksheet.Cells["A2"].PutValue(100); | |
worksheet.Cells["A3"].PutValue(150); | |
worksheet.Cells["B1"].PutValue(60); | |
worksheet.Cells["B2"].PutValue(32); | |
worksheet.Cells["B3"].PutValue(50); | |
// Adding a chart to the worksheet | |
int chartIndex = worksheet.Charts.Add(Aspose.Cells.Charts.ChartType.Column, 5, 0, 15, 5); | |
// Accessing the instance of the newly added chart | |
Aspose.Cells.Charts.Chart chart = worksheet.Charts[chartIndex]; | |
// Adding SeriesCollection (chart data source) to the chart ranging from "A1" cell to "B3" | |
chart.NSeries.Add("A1:B3", true); | |
// Setting the title of a chart | |
chart.Title.Text = "Title"; | |
// Setting the font color of the chart title to blue | |
chart.Title.Font.Color = Color.Blue; | |
// Move the legend to left | |
chart.Legend.Position = LegendPositionType.Left; | |
// Set font color of the legend | |
chart.Legend.Font.Color = Color.Blue; | |
// Save the file | |
workbook.Save("chart_legend.xlsx"); |