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    [Collapse]Conditional Formatting
      How to: Format Cell Values that are Above or Below the Average
      How to: Format Cells that are Between or Not Between Two Values
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      How to: Format Cells based on the Text in the Cell
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      How to: Use a Formula to Determine which Cells to Format
      How to: Format Cells Using a Two-Color Scale
      How to: Format Cells Using a Three-Color Scale
      How to: Format Cells Using Data Bars
      How to: Format Cells Using Icon Sets
      How to: Apply Conditional Formatting to a Complex Range
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 End-User Documentation
View this topic on docs.devexpress.com (Learn more)

How to: Format Cells Using Data Bars

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A complete sample project is available in the DevExpress Code Examples database at http://www.devexpress.com/example=E4929.

This example demonstrates how to apply a data bar conditional formatting rule.

  1. First of all, specify the minimum and maximum thresholds corresponding to the shortest and longest bars, respectively. To do this, use the ConditionalFormattingCollection.CreateValue method, which creates an instance of the ConditionalFormattingValue object. This object provides access to threshold values and their types. The type of the threshold value is determined by one of the ConditionalFormattingValueType enumeration values and can be a number, percent, formula, or percentile. To automatically set the minimum (maximum) threshold to the lowest (highest) value in a range to which the rule will be applied, use the ConditionalFormattingCollection.CreateValue method with the ConditionalFormattingValueType.MinMax enumeration value passed as a parameter. To compare values in a range of cells based on their distance from zero, use the ConditionalFormattingCollection.CreateValue method with the ConditionalFormattingValueType.Auto parameter.

  2. To apply a conditional formatting rule represented by the DataBarConditionalFormatting object, access the collection of conditional formats from the Worksheet.ConditionalFormattings property and call the ConditionalFormattingCollection.AddDataBarConditionalFormatting method with the following parameters: the range of cells to which the rule is applied, the minimum and maximum thresholds, and the bar color.

  3. Modify the behavior of bars: set the border color using the DataBarConditionalFormatting.BorderColor property and specify whether or not to use the gradient fill type by setting the DataBarConditionalFormatting.GradientFill property. If this property is set to false, the solid fill type is applied. To change the direction of bars, use the DataBarConditionalFormatting.Direction property.

  4. If cells contain negative values, provide settings for the negative bar. Set its fill color from the DataBarConditionalFormatting.NegativeBarColor property and specify the border line color using the DataBarConditionalFormatting.NegativeBarBorderColor property.

  5. Provide settings for the axis separating positive and negative bars. Specify the axis position using the DataBarConditionalFormatting.AxisPosition property. Set the axis color from the DataBarConditionalFormatting.AxisColor property.

  6. Specify whether to show or hide values of the cells where the rule is applied by setting the DataBarConditionalFormatting.ShowValue property.

To remove the DataBarConditionalFormatting object, use the ConditionalFormattingCollection.Remove, ConditionalFormattingCollection.RemoveAt or ConditionalFormattingCollection.Clear methods.

The image below shows the result. The data bars allow you to compare values in the "Cost Trend" and "Markup" columns.

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