^{TTChartOnMouseDown}

<sup>type TTChartOnMouseDown = procedure(ASender: TObject; Button: EMouseButton; Shift: EShiftState; X, Y: Integer) of object;

Type Library
TeeChartx

Description
Use the TTChartOnMouseDown event to implement any special processing that should occur as a result of pressing a mouse button.</sup>

^{The TTChartOnMouseDown event can respond to left, right, or center mouse button presses and shift key plus mouse-button combinations. Shift keys are the Shift, Ctrl, and Alt keys. X and Y are the pixel coordinates of the mouse pointer in the Panel area of the TChart.}