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Populating listbox with Font Families is slowing down my form

Posted on 2012-03-22
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Last Modified: 2012-06-21
In my form load I have code that populates a dropdownmenuitem with font families.  It slows down my form loading just a tad.  Is there a way to speed that up?
//POPULATE FONT NAMES
            FontFamily[] ffArray = FontFamily.Families;
            foreach (FontFamily ff in ffArray)
            {
                if (ff.IsStyleAvailable(FontStyle.Regular))
                {
                    toolStripDropDownButton1.DropDownItems.Add(ff.Name);
                 }
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Question by:pdering
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3 Comments
 
LVL 20

Accepted Solution

by:
BuggyCoder earned 980 total points
ID: 37755888
eager load it in a static List<FontFamily> at form load time like this:-

private static List<FontFamily> lstFonts;
public void Form_Load(object sender, EventArgs args)
{
lstFonts=LoadFonts();
}

private IList<FontFamily> LoadFonts()
{
return FontFamily.Families.Where(f=>f.IsStyleAvailable(FontStyle.Regular)).ToList();
}
0
 

Author Comment

by:pdering
ID: 37755973
what am i doing wrong?...

lstFonts = LoadFonts().ToList();
toolStripDropDownButton1.DropDownItems = lstFonts;
0
 
LVL 20

Expert Comment

by:BuggyCoder
ID: 37758544
Try this:-

        private void Form1_Load(object sender, EventArgs e)
        {
            var fonts = LoadFonts();
            fonts.ForEach(f => toolStripDropDownButton1.DropDownItems.Add(f.Name));
        }

        private static List<FontFamily> LoadFonts()
        {
            return FontFamily.Families.Where(f => f.IsStyleAvailable(FontStyle.Regular)).ToList();
        }

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