void B_Title_Click(object sender, EventArgs e)
{
int height = 0;
if (_isPanelVisible)
{
P_Back.Visible = false;
P_Back.SetBounds(0, 0, P_Back.Width, 0, BoundsSpecified.Height);
B_Title.Image = Properties.Resources.tree_close;
}
else
{
P_Back.Visible = true;
height = _items[_nameList[0]].Height;
P_Back.SetBounds(0, 0, P_Back.Width, height, BoundsSpecified.Height);
B_Title.Image = Properties.Resources.tree_open;
}
_isPanelVisible = !_isPanelVisible;
this.Height = B_Title.Height + height;
}
void resizePanel()
{
P_Back.SuspendLayout();
P_Back.SetBounds(0, 0, 0, _items.Count * (_labelHeight + 1), BoundsSpecified.Height);
P_Back.ResumeLayout();
}