private void TextBox1_TextChanged(object sender, EventArgs e)
{
string file = TextBox1.Text;
if (File.Exists(file) && !LockFileFoundEvent)
{
if (string.IsNullOrWhiteSpace(AllowedFileTypes) ||
(AllowedFileTypes.Contains(",") && AllowedFileTypes.Split(',').Any(x => file.ToLower().EndsWith(x.ToLower()))) ||
file.EndsWith(AllowedFileTypes))
{
fileFound(this, new FileFoundEventArgs(file));
}
else
{
TextBox1.Text = "";
}
}
}
internal bool FileIsAllowed(string file)
{
string fileExt = Path.GetExtension(file);
if (AllowedFileTypes.Any() && !AllowedFileTypes.Contains(fileExt, StringComparer.OrdinalIgnoreCase))
{
return(false);
}
if (DisallowedFileTypes.Any() && DisallowedFileTypes.Contains(fileExt, StringComparer.OrdinalIgnoreCase))
{
return(false);
}
if (ShouldProcessFile != null)
{
return(ShouldProcessFile(file));
}
return(true);
}