link

see for yourself:

shadow_Path + @"\"" + whichOne;  //-not Normal
if (dir.Exists)
{
label1.Text = shadow_FullName + "\n-***YES**";
}


shadow_Path + @"\" + whichOne;   //-NORMAL 
if (dir.Exists)
{
label1.Text = shadow_FullName + "\n-***YES**";
}



shadow_Path + @""\"" + whichOne;  //-not Normal
if (dir.Exists)
{
label1.Text = shadow_FullName + "\n-***YES**";
}


shadow_Path + @"\""" + whichOne;   //-NORMAL 
if (dir.Exists)
{
label1.Text = shadow_FullName + "\n-***YES**";
}