protected override void OnSizeChanged(EventArgs e)
{
base.OnSizeChanged(e);
int width = _propertyList.Width - _colLabel.Width - 4;
_colName.Width = width / 2;
_colValue.Width = width / 2 + (width % 2);
toolStrip1.CanOverflow = false;
toolStripTextBox1.Width = toolStrip1.Width - _buttonAddProp.Width - _buttonRemoveProp.Width - toolStripSeparator1.Width - toolStrip1.Padding.Horizontal - _buttonAddProp.Margin.Horizontal - _buttonRemoveProp.Margin.Horizontal - toolStripSeparator1.Margin.Horizontal - toolStripTextBox1.Margin.Horizontal - 1;
}