Sets the value of the SummaryBarStroke attached property to a specified element such as a task item, overriding the default value provided by the GanttChartView control. The SummaryBarStroke property value indicates a Brush that specifies how a summary task bar's outline is painted in the GanttChartView control. Overriding the default value for a specific item requires that the IsItemAppearanceApplied property of the control to be set to true.

public static void SetSummaryBarStroke(
	DependencyObject element,
	Brush summaryBarStroke
)

Public Shared Sub SetSummaryBarStroke ( _
	element As DependencyObject, _
	summaryBarStroke As Brush _
)