private void UpSign(object obj, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
_down = false;
_controlStatue = ControlStatue.Def;
}
}
private void FormSizeControl(object obj, MouseEventArgs e)
{
if (!_down)
{
if (e.X < _border)
{
_form.Cursor = Cursors.SizeWE;
_controlStatue = ControlStatue.Left;
}
else if (e.X > _form.Width - _border)
{
_form.Cursor = Cursors.SizeWE;
_controlStatue = ControlStatue.Right;
}
else if (e.Y > _form.Height - _border)
{
_form.Cursor = Cursors.SizeNS;
_controlStatue = ControlStatue.Down;
}
else
{
_form.Cursor = Cursors.Default;
_controlStatue = ControlStatue.Def;
}
}
else
{
var mid = 0;
switch (_controlStatue)
{
case ControlStatue.Down:
mid = Control.MousePosition.Y - _startpPoint.Y + _lastsize.Height;
if (mid < MinSize.Height)
{
return;
}
_form.Height = mid;
break;
case ControlStatue.Left:
var indent = Control.MousePosition.X - _startpPoint.X;
_form.Location = new Point(_formPosition.X + indent, _formPosition.Y);
mid = -indent + _lastsize.Width;
if (mid < MinSize.Width)
{
return;
}
_form.Width = mid;
break;
case ControlStatue.Right:
mid = Control.MousePosition.X - _startpPoint.X + _lastsize.Width;
if (mid < MinSize.Width)
{
return;
}
_form.Width = mid;
break;
}
}
}
