public void GoLeft(bool shift)
{
ColumnSelectionMode = false;
if (!shift)
{
if (start > end)
{
Start = End;
return;
}
}
if (start.iChar != 0 || start.iLine != 0)
{
if (start.iChar > 0 && tb.lineInfos[start.iLine].VisibleState == VisibleState.Visible)
{
start.Offset(-1, 0);
}
else
{
int i = tb.FindPrevVisibleLine(start.iLine);
if (i == start.iLine)
{
return;
}
start = new Place(tb[i].Count, i);
}
}
if (!shift)
{
end = start;
}
OnSelectionChanged();
preferedPos = -1;
}