Series Picking

class ITChartControl : public CXTPChartControl
{
protected :
DECLARE_MESSAGE_MAP()
afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
afx_msg void OnRButtonUp(UINT nFlags, CPoint point);
afx_msg BOOL OnMouseWheel(UINT nFlags, short zDelta, CPoint pt);
};

typedef struct
{
NMHDR   hdr;            // NMHDR structure that contains additional information about this notification.
ITChartControl* pControl;  // Pointer to control that caused the event.
UINT   nFlags;
CPoint   point;
}
NMHDRCHARTCONTROL, FAR* LPNMHDRCHARTCONTROL;

BEGIN_MESSAGE_MAP(ITChartControl, CXTPChartControl)
ON_WM_LBUTTONDBLCLK()
ON_WM_RBUTTONUP()
ON_WM_MOUSEWHEEL()
END_MESSAGE_MAP()

BOOL ITChartControl::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt)
{
return CXTPChartControl::OnMouseWheel(nFlags, -zDelta, pt); // Inverse Zoom !
}

void ITChartControl::OnLButtonDblClk(UINT nFlags, CPoint point)
{
CXTPChartControl::OnLButtonDblClk(nFlags, point);

NMHDRCHARTCONTROL notify;
notify.hdr.hwndFrom = m_hWnd;
notify.hdr.code = NM_DBLCLK;
notify.hdr.idFrom = GetDlgCtrlID();
notify.nFlags = nFlags;
notify.point = point;
notify.pControl = this;

GetOwner()->SendMessage(WM_NOTIFY, (WPARAM)notify.hdr.idFrom, (LPARAM)&notify);
}

void ITChartControl::OnRButtonUp(UINT nFlags, CPoint point)
{
CXTPChartControl::OnRButtonUp(nFlags, point);

NMHDRCHARTCONTROL notify;
notify.hdr.hwndFrom = m_hWnd;
notify.hdr.code = NM_RCLICK;
notify.hdr.idFrom = GetDlgCtrlID();
notify.nFlags = nFlags;
notify.point = point;
notify.pControl = this;

GetOwner()->SendMessage(WM_NOTIFY, (WPARAM)notify.hdr.idFrom, (LPARAM)&notify);
}

...
// Handling message in view containing chart control

BOOL ITChartView::OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult)
{
NMHDR* pnmhdr = (NMHDR*)lParam;

if (pnmhdr && pnmhdr->code == NM_DBLCLK)
{
NMHDRCHARTCONTROL *pnmhdrEx = (NMHDRCHARTCONTROL *) pnmhdr;

CXTPChartElement* hit = m_wndChartControl.HitTest(pnmhdrEx->point);

  if (hit)
  {
   // Bla bla
  }

}

return CXTPResizeFormView::OnNotify(wParam, lParam, pResult);
}

Thx for poor documentation, poor sample and no answer.

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lrenoux Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 20 April 2009 Status: Offline Points: 62	Post Options Post Reply Quote lrenoux Report Post Thanks(0) Quote Reply Topic: Series Picking Posted: 04 July 2011 at 9:22am
	Hello, Is it possible to retrieve series on mouse over or on left button down ? Thx in advance. L.

lrenoux Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 20 April 2009 Status: Offline Points: 62	Post Options Post Reply Quote lrenoux Report Post Thanks(0) Quote Reply Posted: 07 July 2011 at 5:05am
	class ITChartControl : public CXTPChartControl { protected : DECLARE_MESSAGE_MAP() afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point); afx_msg void OnRButtonUp(UINT nFlags, CPoint point); afx_msg BOOL OnMouseWheel(UINT nFlags, short zDelta, CPoint pt); }; typedef struct { NMHDR hdr; // NMHDR structure that contains additional information about this notification. ITChartControl* pControl; // Pointer to control that caused the event. UINT nFlags; CPoint point; } NMHDRCHARTCONTROL, FAR* LPNMHDRCHARTCONTROL; BEGIN_MESSAGE_MAP(ITChartControl, CXTPChartControl) ON_WM_LBUTTONDBLCLK() ON_WM_RBUTTONUP() ON_WM_MOUSEWHEEL() END_MESSAGE_MAP() BOOL ITChartControl::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt) { return CXTPChartControl::OnMouseWheel(nFlags, -zDelta, pt); // Inverse Zoom ! } void ITChartControl::OnLButtonDblClk(UINT nFlags, CPoint point) { CXTPChartControl::OnLButtonDblClk(nFlags, point); NMHDRCHARTCONTROL notify; notify.hdr.hwndFrom = m_hWnd; notify.hdr.code = NM_DBLCLK; notify.hdr.idFrom = GetDlgCtrlID(); notify.nFlags = nFlags; notify.point = point; notify.pControl = this; GetOwner()->SendMessage(WM_NOTIFY, (WPARAM)notify.hdr.idFrom, (LPARAM)&notify); } void ITChartControl::OnRButtonUp(UINT nFlags, CPoint point) { CXTPChartControl::OnRButtonUp(nFlags, point); NMHDRCHARTCONTROL notify; notify.hdr.hwndFrom = m_hWnd; notify.hdr.code = NM_RCLICK; notify.hdr.idFrom = GetDlgCtrlID(); notify.nFlags = nFlags; notify.point = point; notify.pControl = this; GetOwner()->SendMessage(WM_NOTIFY, (WPARAM)notify.hdr.idFrom, (LPARAM)&notify); } ... // Handling message in view containing chart control BOOL ITChartView::OnNotify(WPARAM wParam, LPARAM lParam, LRESULT* pResult) { NMHDR* pnmhdr = (NMHDR)lParam; if (pnmhdr && pnmhdr->code == NM_DBLCLK) { NMHDRCHARTCONTROL pnmhdrEx = (NMHDRCHARTCONTROL ) pnmhdr; CXTPChartElement hit = m_wndChartControl.HitTest(pnmhdrEx->point); if (hit) { // Bla bla } } return CXTPResizeFormView::OnNotify(wParam, lParam, pResult); } Thx for poor documentation, poor sample and no answer. L.