Chart::HitTest Method (Int32, Int32, Boolean)
Determines the chart element, if any, that is located at a point defined by given X and Y coordinates. Transparent elements can optionally be ignored.
Assembly: System.Windows.Forms.DataVisualization (in System.Windows.Forms.DataVisualization.dll)
Parameters
- x
-
Type:
System::Int32
The X-coordinate value of the point the user clicked on.
- y
-
Type:
System::Int32
The Y-coordinate value of the point the user clicked on.
- ignoreTransparent
-
Type:
System::Boolean
true to ignore transparent elements; otherwise, false.
Return Value
Type: System.Windows.Forms.DataVisualization.Charting::HitTestResult^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, which is located at a specified point.
To ignore transparent elements, set the ignoreTransparent parameter to true.
The properties of the HitTestResult object that is returned can then be used to determine which chart element was clicked; the HitTestResult object also provides an instance of the actual object selected, if any.
Available since 4.0