winforms - Is there any better way to check for existance of several sub directories in C# than using nested ifs? -

i trying check if needed sub directories exists , use snippet of code :

directoryinfo gccdir = new directoryinfo(txtgccpath.text); list<string> subdirectories = new list<string>();  foreach (var item in gccdir.getdirectories()) {    subdirectories.add(item.name); }  if (subdirectories.contains("bin") &&     subdirectories.contains("i686-w64-mingw32") &&     subdirectories.contains("include") &&      subdirectories.contains("lib") &&     subdirectories.contains("libexec") &&      subdirectories.contains("share")) {   //statements  }   

is there better way doing this?
in situations there need verify multiple conditions, whats best way avoid excessive usage of if else statements?

you like

if(new[] {"bin", "include", "lib"}.all(subdirectories.contains)) {   } 

etc.