private CalendarRowAccessibleObject GetCalendarRow(int calendarIndex, AccessibleObject parentAccessibleObject, int rowIndex)
{
if ((HasHeaderRow ? rowIndex < -1 : rowIndex < 0) ||
rowIndex >= RowCount)
{
return(null);
}
// Search name for the first cell in the row.
bool success = GetCalendarGridInfo(
ComCtl32.MCGIF.DATE,
ComCtl32.MCGIP.CALENDARCELL,
calendarIndex,
rowIndex,
0,
out RECT calendarPartRectangle,
out Kernel32.SYSTEMTIME endDate,
out Kernel32.SYSTEMTIME startDate);
if (!success)
{
// Not able to get cell date for the row.
return(null);
}
SelectionRange cellsRange = _owner.GetDisplayRange(false);
if (cellsRange.Start > DateTimePicker.SysTimeToDateTime(endDate) || cellsRange.End < DateTimePicker.SysTimeToDateTime(startDate))
{
// Do not create row if the row's first cell is out of the current calendar's view range.
return(null);
}
return(new CalendarRowAccessibleObject(this, calendarIndex, (CalendarBodyAccessibleObject)parentAccessibleObject, rowIndex));
}
private CalendarCellAccessibleObject GetCalendarCell(int calendarIndex, AccessibleObject parentAccessibleObject, int columnIndex)
{
if (columnIndex < 0 ||
columnIndex >= MAX_DAYS ||
columnIndex >= ColumnCount)
{
return(null);
}
CalendarRowAccessibleObject parentRowAccessibleObject = (CalendarRowAccessibleObject)parentAccessibleObject;
int rowIndex = parentRowAccessibleObject.RowIndex;
bool getNameResult = GetCalendarGridInfoText(ComCtl32.MCGIP.CALENDARCELL, calendarIndex, rowIndex, columnIndex, out string text);
bool getDateResult = GetCalendarGridInfo(ComCtl32.MCGIF.DATE, ComCtl32.MCGIP.CALENDARCELL,
calendarIndex,
rowIndex,
columnIndex,
out RECT rectangle,
out Kernel32.SYSTEMTIME systemEndDate,
out Kernel32.SYSTEMTIME systemStartDate);
DateTime endDate = DateTimePicker.SysTimeToDateTime(systemEndDate).Date;
DateTime startDate = DateTimePicker.SysTimeToDateTime(systemStartDate).Date;
if (getNameResult && !string.IsNullOrEmpty(text))
{
string cellName = GetCalendarCellName(endDate, startDate, text, rowIndex == -1);
// The cell is present on the calendar, so create accessible object for it.
return(new CalendarCellAccessibleObject(this, calendarIndex, parentAccessibleObject, rowIndex, columnIndex, cellName));
}
return(null);
}