void picPreview_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.ShiftKey || e.KeyCode == Keys.Menu || e.KeyCode == Keys.ControlKey)
{
return;
}
else if (e.KeyCode == Keys.Enter)
{
if (mode == EditingMode.TopLeft)
{
mode = EditingMode.BottomRight;
}
else
{
mode = EditingMode.TopLeft;
}
return;
}
Point loc = rectangle.GetPoint(mode);
int dif = e.Control ? 10 : 1;
if (e.KeyCode == Keys.Left)
{
key |= KeyMode.Left;
}
else if (e.KeyCode == Keys.Right)
{
key |= KeyMode.Right;
}
else if (e.KeyCode == Keys.Up)
{
key |= KeyMode.Up;
}
else if (e.KeyCode == Keys.Down)
{
key |= KeyMode.Down;
}
loc.Offset(
(key & KeyMode.Horizontal) != 0 ? (key.HasFlag(KeyMode.Left) ? -dif : dif) : 0,
(key & KeyMode.Vertical) != 0 ? (key.HasFlag(KeyMode.Up) ? -dif : dif) : 0);
loc = GetVerifiedLocation(loc);
rectangle.SetPoint(e.Shift ? EditingMode.TopLeft | EditingMode.BottomRight : mode, loc);
picPreview.Invalidate();
}
