setFolder method
Sets a folder that is always selected when the dialog is opened, regardless of previous user action.
Throws a WindowsException on failure.
To learn more, see learn.microsoft.com/windows/win32/api/shobjidl_core/nf-shobjidl_core-ifiledialog-setfolder.
Implementation
@pragma('vm:prefer-inline')
void setFolder(IShellItem? psi) {
final hr$ = HRESULT(_SetFolderFn(ptr, psi?.ptr ?? nullptr));
if (hr$.isError) throw WindowsException(hr$);
}