void OnShowSelInfo(wxCommandEvent& event);
void OnFreeze(wxCommandEvent& event);
void OnThaw(wxCommandEvent& event);
void OnShowSelInfo(wxCommandEvent& event);
void OnFreeze(wxCommandEvent& event);
void OnThaw(wxCommandEvent& event);
// fill the control with items depending on the view
void InitWithListItems();
void InitWithReportItems();
// fill the control with items depending on the view
void InitWithListItems();
void InitWithReportItems();
void InitWithVirtualItems();
// return true if the control is not in virtual view, give an error message
void InitWithVirtualItems();
// return true if the control is not in virtual view, give an error message