Solution Codeblocks the header file, into the project directory is also under invalid

  Usually requires the use of an external projects in the header file and static library files, codeblock add header and library files by the following method.
    For example codeblock 10.05 to
    add the header file: Click project-> bulid options-> Search directories, click the Compiler tab, click the Add button to add the header file path to
    add a static library path: Click project-> bulid options- > Linker setting, click the Add button to add a static library path in this tab.