/// <summary>
/// Navigate to the next or previous grid entry.
/// </summary>
public override AccessibleObject Navigate(AccessibleNavigation navdir)
{
switch (navdir)
{
case AccessibleNavigation.Right:
case AccessibleNavigation.Next:
if (column < owner.AccessibleObject.GetChildCount() - 1)
{
return(owner.AccessibleObject.GetChild(column + 1));
}
else
{
AccessibleObject o = DataGrid.AccessibilityObject.GetChild(1 + owner.dgTable.GridColumnStyles.Count + owner.RowNumber + 1);
if (o != null)
{
return(o.Navigate(AccessibleNavigation.FirstChild));
}
}
break;
case AccessibleNavigation.Down:
return(DataGrid.AccessibilityObject.GetChild(1 + owner.dgTable.GridColumnStyles.Count + owner.RowNumber + 1).Navigate(AccessibleNavigation.FirstChild));
case AccessibleNavigation.Up:
return(DataGrid.AccessibilityObject.GetChild(1 + owner.dgTable.GridColumnStyles.Count + owner.RowNumber - 1).Navigate(AccessibleNavigation.FirstChild));
case AccessibleNavigation.Left:
case AccessibleNavigation.Previous:
if (column > 0)
{
return(owner.AccessibleObject.GetChild(column - 1));
}
else
{
AccessibleObject o = DataGrid.AccessibilityObject.GetChild(1 + owner.dgTable.GridColumnStyles.Count + owner.RowNumber - 1);
if (o != null)
{
return(o.Navigate(AccessibleNavigation.LastChild));
}
}
break;
case AccessibleNavigation.FirstChild:
case AccessibleNavigation.LastChild:
break;
}
return(null);
}
public override AccessibleObject Navigate(AccessibleNavigation navdir)
{
switch (navdir)
{
case AccessibleNavigation.Up:
return(this.DataGrid.AccessibilityObject.GetChild(((1 + this.owner.dgTable.GridColumnStyles.Count) + this.owner.RowNumber) - 1).Navigate(AccessibleNavigation.FirstChild));
case AccessibleNavigation.Down:
return(this.DataGrid.AccessibilityObject.GetChild(((1 + this.owner.dgTable.GridColumnStyles.Count) + this.owner.RowNumber) + 1).Navigate(AccessibleNavigation.FirstChild));
case AccessibleNavigation.Left:
case AccessibleNavigation.Previous:
if (this.column <= 0)
{
AccessibleObject child = this.DataGrid.AccessibilityObject.GetChild(((1 + this.owner.dgTable.GridColumnStyles.Count) + this.owner.RowNumber) - 1);
if (child != null)
{
return(child.Navigate(AccessibleNavigation.LastChild));
}
break;
}
return(this.owner.AccessibleObject.GetChild(this.column - 1));
case AccessibleNavigation.Right:
case AccessibleNavigation.Next:
if (this.column >= (this.owner.AccessibleObject.GetChildCount() - 1))
{
AccessibleObject obj2 = this.DataGrid.AccessibilityObject.GetChild(((1 + this.owner.dgTable.GridColumnStyles.Count) + this.owner.RowNumber) + 1);
if (obj2 == null)
{
break;
}
return(obj2.Navigate(AccessibleNavigation.FirstChild));
}
return(this.owner.AccessibleObject.GetChild(this.column + 1));
}
return(null);
}
