public int GetColumnSpan(object control)
{
if (control is null)
{
throw new ArgumentNullException(nameof(control));
}
if (IsStub)
{
return(_stub.GetColumnSpan(control));
}
else
{
IArrangedElement element = LayoutEngine.CastToArrangedElement(control);
return(TableLayout.GetLayoutInfo(element).ColumnSpan);
}
}
public int GetRow(object control)
{
if (control == null)
{
throw new ArgumentNullException(nameof(control));
}
if (IsStub)
{
return(_stub.GetRow(control));
}
else
{
IArrangedElement element = LayoutEngine.CastToArrangedElement(control);
TableLayout.LayoutInfo layoutInfo = TableLayout.GetLayoutInfo(element);
return(layoutInfo.RowPosition);
}
}
private void SetCellPosition(object control, int row, int column, bool rowSpecified, bool colSpecified)
{
if (IsStub)
{
if (colSpecified)
{
_stub.SetColumn(control, column);
}
if (rowSpecified)
{
_stub.SetRow(control, row);
}
}
else
{
IArrangedElement element = LayoutEngine.CastToArrangedElement(control);
if (element.Container is not null)
{
TableLayout.ClearCachedAssignments(TableLayout.GetContainerInfo(element.Container));
}
TableLayout.LayoutInfo layoutInfo = TableLayout.GetLayoutInfo(element);
if (colSpecified)
{
layoutInfo.ColumnPosition = column;
}
if (rowSpecified)
{
layoutInfo.RowPosition = row;
}
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.TableIndex);
Debug.Assert(!colSpecified || GetColumn(element) == column, "column position shoule equal to what we set");
Debug.Assert(!rowSpecified || GetRow(element) == row, "row position shoule equal to what we set");
}
}
public void SetColumnSpan(object control, int value)
{
if (value < 1)
{
throw new ArgumentOutOfRangeException(nameof(value), string.Format(SR.InvalidArgument, "ColumnSpan", (value).ToString(CultureInfo.CurrentCulture)));
}
if (IsStub)
{
_stub.SetColumnSpan(control, value);
}
else
{
IArrangedElement element = LayoutEngine.CastToArrangedElement(control);
// LayoutInfo.SetColumnSpan() throws ArgumentException if out of range.
if (element.Container != null)
{
TableLayout.ClearCachedAssignments(TableLayout.GetContainerInfo(element.Container));
}
TableLayout.GetLayoutInfo(element).ColumnSpan = value;
LayoutTransaction.DoLayout(element.Container, element, PropertyNames.ColumnSpan);
Debug.Assert(GetColumnSpan(element) == value, "column span should equal to the value we set");
}
}
