Method OnCommand

src/widgets.cpp:3468–3532

	}

	void OnCommand(wxCommandEvent &evt)
	{
		if (evt.GetId() == IDSD_CHANGENUMROWS)
		{
			long l = 0;
				wxString result = wxGetTextFromUser("Enter number of data rows", "Edit Table",
					wxString::Format("%d", Grid->GetNumberRows()), this);
				if (result.IsEmpty()) return;

				if (!result.ToLong(&l))
					return;

			if (l > 0)
			{
				Grid->ResizeGrid(l, 1);
			}
			else
				wxMessageBox("Invalid number of rows or non-numeric entry.");
		}
		else if (evt.GetId() == IDSD_COPY)
			Grid->Copy(true);
		else if (evt.GetId() == IDSD_PASTE)
			Grid->Paste(wxExtGridCtrl::PASTE_ALL_RESIZE_ROWS);
		else if (evt.GetId() == IDSD_IMPORT)
		{
			wxFileDialog dlg(this, "Select data file to import");
			if (dlg.ShowModal() != wxID_OK) return;
			FILE *fp = fopen(dlg.GetPath().c_str(), "r");
			if (!fp)
			{
				wxMessageBox("Could not open file for reading:\n\n" + dlg.GetPath());
				return;
			}
			wxArrayString *arr = GetData();
			arr->Clear();
			char buf[128];
			while (fgets(buf, 127, fp) != NULL)
			{
				buf[strcspn(buf, "\r\n")] = 0;
				arr->push_back(buf);
			}
			fclose(fp);
			SetData(arr);
		}
		else if (evt.GetId() == IDSD_EXPORT)
		{
			wxFileDialog dlg(this, "Select data file to export to", wxEmptyString, wxEmptyString, "*.*", wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
			if (dlg.ShowModal() != wxID_OK) return;

			FILE *fp = fopen(dlg.GetPath().c_str(), "w");
			if (!fp)
			{
				wxMessageBox("Could not open file for writing.");
				return;
			}

			for (size_t i = 0; i<mData->Count(); i++)
				fprintf(fp, "%s\n", (const char *)mData->Item(i).c_str());