Opening Patch Files when Compiled for Unicode
If you want to open a .msp file with the Windows Installer APIs, you must pass to the function, or (110) is returned. Below is the definition of both and from msiquery.h in the Windows Installer SDK.#define MSIDBOPEN_READONLY (LPCTSTR)0#define MSIDBOPEN_PATCHFILE 32/sizeof(*MSIDBOPEN_READONLY) is defined as when is defined, which is defined ...