in ffi/system-command/windows.dart [40:60]
int shellExecute(String operation, String file) {
// Load shell32.
final dylib = ffi.DynamicLibrary.open('shell32.dll');
// Look up the `ShellExecuteW` function.
final shellExecuteP =
dylib.lookupFunction<ShellExecuteC, ShellExecuteDart>('ShellExecuteW');
// Allocate pointers to Utf8 arrays containing the command arguments.
final operationP = operation.toNativeUtf16();
final fileP = file.toNativeUtf16();
const int SW_SHOWNORMAL = 1;
// Invoke the command, and free the pointers.
var result = shellExecuteP(
ffi.nullptr, operationP, fileP, ffi.nullptr, ffi.nullptr, SW_SHOWNORMAL);
calloc.free(operationP);
calloc.free(fileP);
return result;
}