Problems - Libpq++

Hi, <br /><br /> I´m trying to compile a program with Visual C++ Express Edition, using the library Libpq++. But I
don´tunderstand the errors that appear when it´s compiled. <br /><br /> 1>------ Build started: Project:
projBancoII,Configuration: Debug Win32 ------<br /> 1>Linking...<br /> 1>projBancoII.obj : error LNK2028:
unresolvedtoken (0A000015) "public: enum ExecStatusType __clrcall Libpqpp::PgConnection::Exec(char const *)"
(?Exec@PgConnection@Libpqpp@@$$FQAM?AW4ExecStatusType@@PBD@Z)referenced in function "private: void __clrcall
projBancoII::Form1::button1_Click(classSystem::Object ^,class System::EventArgs ^)"
(?button1_Click@Form1@projBancoII@@$$FA$AAMXP$AAVObject@System@@P$AAVEventArgs@4@@Z)<br/><br /> 1>projBancoII.obj :
errorLNK2028: unresolved token (0A000017) "public: bool __clrcall Libpqpp::PgConnection::ConnectionBad(void)const "
(?ConnectionBad@PgConnection@Libpqpp@@$$FQBM_NXZ)referenced in function "private: void __clrcall
projBancoII::Form1::button1_Click(classSystem::Object ^,class System::EventArgs ^)"
(?button1_Click@Form1@projBancoII@@$$FA$AAMXP$AAVObject@System@@P$AAVEventArgs@4@@Z)<br/><br /> 1>projBancoII.obj :
errorLNK2028: unresolved token (0A00002F) "public: virtual __clrcall Libpqpp::PgCursor::~PgCursor(void)"
(??1PgCursor@Libpqpp@@$$FUAM@XZ)referenced in function "public: virtual void * __clrcall Libpqpp::PgCursor::`vector
deletingdestructor'(unsigned int)" (??_EPgCursor@Libpqpp@@$$FUAMPAXI@Z)<br /><br /> 1>projBancoII.obj : error
LNK2028:unresolved token (0A000030) "public: virtual __clrcall Libpqpp::PgTransaction::~PgTransaction(void)"
(??1PgTransaction@Libpqpp@@$$FUAM@XZ)referenced in function "public: virtual void * __clrcall
Libpqpp::PgTransaction::`vectordeleting destructor'(unsigned int)" (??_EPgTransaction@Libpqpp@@$$FUAMPAXI@Z)<br /><br
/>1>projBancoII.obj : error LNK2028: unresolved token (0A000032) "public: virtual __clrcall
Libpqpp::PgConnection::~PgConnection(void)"(??1PgConnection@Libpqpp@@$$FUAM@XZ) referenced in function "public:
__clrcallLibpqpp::PgDatabase::PgDatabase(char const *)" (??0PgDatabase@Libpqpp@@$$FQAM@PBD@Z)<br /><br />
1>projBancoII.obj: error LNK2028: unresolved token (0A000033) "public: __clrcall
Libpqpp::PgConnection::PgConnection(charconst *)" (??0PgConnection@Libpqpp@@$$FQAM@PBD@Z) referenced in function
"public:__clrcall Libpqpp::PgDatabase::PgDatabase(char const *)" (??0PgDatabase@Libpqpp@@$$FQAM@PBD@Z)<br /><br />
1>projBancoII.obj: error LNK2019: unresolved external symbol "public: virtual __clrcall
Libpqpp::PgConnection::~PgConnection(void)"(??1PgConnection@Libpqpp@@$$FUAM@XZ) referenced in function "public:
__clrcallLibpqpp::PgDatabase::PgDatabase(char const *)" (??0PgDatabase@Libpqpp@@$$FQAM@PBD@Z)<br /><br />
1>projBancoII.obj: error LNK2019: unresolved external symbol "public: __clrcall
Libpqpp::PgConnection::PgConnection(charconst *)" (??0PgConnection@Libpqpp@@$$FQAM@PBD@Z) referenced in function
"public:__clrcall Libpqpp::PgDatabase::PgDatabase(char const *)" (??0PgDatabase@Libpqpp@@$$FQAM@PBD@Z)<br /><br />
1>projBancoII.obj: error LNK2019: unresolved external symbol "public: virtual __clrcall
Libpqpp::PgTransaction::~PgTransaction(void)"(??1PgTransaction@Libpqpp@@$$FUAM@XZ) referenced in function "public:
virtualvoid * __clrcall Libpqpp::PgTransaction::`vector deleting destructor'(unsigned int)"
(??_EPgTransaction@Libpqpp@@$$FUAMPAXI@Z)<br/><br /> 1>projBancoII.obj : error LNK2019: unresolved external symbol
"public:virtual __clrcall Libpqpp::PgCursor::~PgCursor(void)" (??1PgCursor@Libpqpp@@$$FUAM@XZ) referenced in function
"public:virtual void * __clrcall Libpqpp::PgCursor::`vector deleting destructor'(unsigned int)"
(??_EPgCursor@Libpqpp@@$$FUAMPAXI@Z)<br/><br /> 1>projBancoII.obj : error LNK2019: unresolved external symbol
"public:enum ExecStatusType __clrcall Libpqpp::PgConnection::Exec(char const *)"
(?Exec@PgConnection@Libpqpp@@$$FQAM?AW4ExecStatusType@@PBD@Z)referenced in function "private: void __clrcall
projBancoII::Form1::button1_Click(classSystem::Object ^,class System::EventArgs ^)"
(?button1_Click@Form1@projBancoII@@$$FA$AAMXP$AAVObject@System@@P$AAVEventArgs@4@@Z)<br/><br /> 1>projBancoII.obj :
errorLNK2019: unresolved external symbol "public: bool __clrcall Libpqpp::PgConnection::ConnectionBad(void)const "
(?ConnectionBad@PgConnection@Libpqpp@@$$FQBM_NXZ)referenced in function "private: void __clrcall
projBancoII::Form1::button1_Click(classSystem::Object ^,class System::EventArgs ^)"
(?button1_Click@Form1@projBancoII@@$$FA$AAMXP$AAVObject@System@@P$AAVEventArgs@4@@Z)<br/><br /><br /> 1>projBancoII
-13 error(s), 0 warning(s)<br /> ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========<br /><br
/>Thanks a lot. <br /><br /> Regards, <br /> Chris<br /><br />