public static ListBox AddListBox(_Choices choices, Font font, int top, int left, AnchorStyles anchors, Panel panel, int tabidx)
{
int gap = 4;
int maxWidth = 0;
ListBoxPP lstBox = new ListBoxPP();
lstBox.Anchor = anchors;
lstBox.Font = font;
lstBox.TabIndex = tabidx;
lstBox.BorderStyle = BorderStyle.FixedSingle;
lstBox.Name = "listBox" + tabidx.ToString();
foreach (_Choice choice in choices)
{
string txt = choice.Text;
if (txt != "")
{
lstBox.Items.Add(txt);
int itemWidth = Tools.GetLabelWidth(txt, font);
if (itemWidth > maxWidth)
{
maxWidth = itemWidth;
}
}
}
if (lstBox.Items.Count == 0)
{
return(null);
}
lstBox.Height = lstBox.PreferredHeight + gap;
int prefWidth = maxWidth + gap + (lstBox.Width - lstBox.ClientSize.Width);
if (prefWidth < panel.Width * 0.8)
{
if (prefWidth < panel.Width * 0.4)
{
prefWidth = (int)(panel.Width * 0.4);
}
lstBox.Width = prefWidth;
}
else
{
lstBox.Width = (int)(panel.Width * 0.8);
}
lstBox.Top = top;
lstBox.Left = left;
panel.Controls.Add(lstBox);
lstBox.SelectedIndexChanged += new System.EventHandler(Preview_Event);
return(lstBox);
}
public static ListBoxPP AddListBox(_Choices choices, Font font, int top, int left, Panel panel, int maxHgt)
{
int gap = 4;
int maxWidth = 0;
ListBoxPP lstBox = new ListBoxPP();
lstBox.Font = font;
lstBox.ForeColor = Color.Blue;
lstBox.BackColor = Color.AliceBlue;
lstBox.EvenItemColor = Color.AliceBlue;
lstBox.ShowLines = false;
lstBox.ItemHeight = (int)(font.Size * 2.25);
foreach (_Choice choice in choices)
{
string txt = choice.Text;
if (txt != "")
{
lstBox.Items.Add(txt);
int itemWidth = Tools.GetLabelWidth(txt, font);
if (itemWidth > maxWidth)
{
maxWidth = itemWidth;
}
}
}
if (lstBox.Items.Count == 0)
{
return(null);
}
int prefWidth = maxWidth + gap * 2;
lstBox.Height = lstBox.ItemHeight * lstBox.Items.Count;
if (lstBox.Height > maxHgt * 3 / 4)
{
lstBox.Height = (int)Math.Round(Convert.ToDouble(maxHgt / 2 / lstBox.ItemHeight)) * lstBox.ItemHeight;
lstBox.ShowScrollbar = true;
prefWidth += 14;
}
if (prefWidth < panel.Width * 0.9) // Make sure it's not too wide
{
if (prefWidth < panel.Width * 0.4) // Make sure it's not too narrow
{
prefWidth = (int)(panel.Width * 0.4);
}
lstBox.Width = prefWidth;
}
else
{
lstBox.Width = (int)(panel.Width * 0.9);
}
lstBox.Top = top;
lstBox.Left = left;
panel.Controls.Add(lstBox);
lstBox.SelectedIndexChanged += new System.EventHandler(PanelChoices_Event);
return(lstBox);
}