Public Overloads Function HitTest( _
   ByVal x As Integer, _
   ByVal y As Integer, _
   ByVal ignoreTransparent As Boolean _
) As HitTestResult

Visual Basic (Usage)	Copy Code
Dim instance As Chart Dim x As Integer Dim y As Integer Dim ignoreTransparent As Boolean Dim value As HitTestResult   value = instance.HitTest(x, y, ignoreTransparent)

public HitTestResult HitTest( 
   int x,
   int y,
   bool ignoreTransparent
)

Parameters

x

The x-coordinate value of the point the user clicked on.
X coordinate

y

The y-coordinate value of the point the user clicked on.
Y coordinate

ignoreTransparent

Determines if transparent elements are ignored.
Indicates that transparent elements should be ignored.

Return Value

A HitTestResult object, which provides information concerning the chart element (if any) that is at the specified location.

Call this method to determine the chart element (if any) that is located at a specified point.

To ignore transparent elements set ignoreTransparent to true.

IMPORTANT: for this method to work correctly the Chart.MapEnabled property must be set to false.

This method can be used with the Click server-side event when implementing drilldown. However, we HIGHLY RECOMMEND using client-side image maps for drilldown because of its ease of use.

The returned HitTestResult object's properties can then be used to determine what chart element was clicked on, and also provides an instance of the actual object selected (if any).

Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

Reference