static void SetSolutionConfigValue(CFStream cfStream, IEnumerable<string> startupProjectGuids)
{
var single = Encoding.GetEncodings().Single(x => x.Name == "utf-16");
var encoding = single.GetEncoding();
var nul = '\u0000';
var dc1 = '\u0011';
var etx = '\u0003';
var soh = '\u0001';
var builder = new StringBuilder();
builder.Append(dc1);
builder.Append(nul);
builder.Append("MultiStartupProj");
builder.Append(nul);
builder.Append('=');
builder.Append(etx);
builder.Append(soh);
builder.Append(nul);
builder.Append(';');
foreach (var startupProjectGuid in startupProjectGuids)
{
builder.Append('4');
builder.Append(nul);
builder.AppendFormat("{{{0}}}.dwStartupOpt", startupProjectGuid);
builder.Append(nul);
builder.Append('=');
builder.Append(etx);
builder.Append(dc1);
builder.Append(nul);
builder.Append(';');
}
var newBytes = encoding.GetBytes(builder.ToString());
cfStream.SetData(newBytes);
}
