Adds the specified assignment (identified as a pair of resource name and allocation units) to the AssignmentsContent property value of a specific task in the control. Requires that AssignmentsContent property of the task items is of type string, formatted as a list of resource names separated by commas, optionally having associated allocation percents declared between square brackets (e.g.: "John, Mary [50%], Diane [12.5%]").

void AddAssignment(
	GanttChartItem item,
	KeyValuePair<string, double> assignment
)

Sub AddAssignment ( _
	item As GanttChartItem, _
	assignment As KeyValuePair(Of String, Double) _
)