/*
* DLL call demonstration.
*
* Copyright 2008 Viktor Szakats (vszakats.net/harbour)
*
*/
#require "hbxpp"
#include "simpleio.ch"
#include "dll.ch"
#define MAX_PATH 260
#define MB_OK 0x00000000
#define MB_OKCANCEL 0x00000001
#define MB_ABORTRETRYIGNORE 0x00000002
#define MB_YESNOCANCEL 0x00000003
#define MB_YESNO 0x00000004
#define MB_RETRYCANCEL 0x00000005
#define MB_CANCELTRYCONTINUE 0x00000006
#define MB_ICONHAND 0x00000010
#define MB_ICONQUESTION 0x00000020
#define MB_ICONEXCLAMATION 0x00000030
#define MB_ICONASTERISK 0x00000040
#define MB_USERICON 0x00000080
#define MB_DEFBUTTON2 0x00000100
#define MB_DEFBUTTON3 0x00000200
#define MB_DEFBUTTON4 0x00000300
#define MB_SYSTEMMODAL 0x00001000
#define MB_TASKMODAL 0x00002000
#define MB_HELP 0x00004000
#define MB_NOFOCUS 0x00008000
#define MB_SETFOREGROUND 0x00010000
#define MB_DEFAULT_DESKTOP_ONLY 0x00020000
#define MB_TOPMOST 0x00040000
#define MB_RIGHT 0x00080000
#define MB_RTLREADING 0x00100000
#define SPI_SETDRAGFULLWINDOWS 37
#define CSIDL_APPDATA 0x001a /* <username>\Application Data */
#define CSIDL_ADMINTOOLS 0x0030 /* <username>\Start Menu\Programs\Administrative Tools */
PROCEDURE Main()
LOCAL hDLL
LOCAL cData
#if defined( __PLATFORM__WINDOWS )
IF hb_FileExists( "pscript.dll" )
hDLL := DllLoad( "pscript.dll" )
cData := Space( 24 )
DllCall( hDll, DLL_OSAPI, "PSGetVersion", @cData )
? ">" + cData + "<"
DllUnload( hDLL )
// ; Testing failure 1
hDLL := DllLoad( "pscript.dll" )
cData := Space( 24 )
DllCall( hDll, DLL_OSAPI, "PSGet__Version", @cData )
? ">" + cData + "<"
DllUnload( hDLL )
ENDIF
// ; Testing failure 2
hDLL := DllLoad( "nothere.dll" )
cData := Space( 24 )
DllCall( hDll, NIL, "PSGetVersion", @cData )
? cData
DllUnload( hDLL )
? "MsgBox:", DllCall( "user32.dll", DLL_OSAPI, "MessageBoxA", 0, "Hello world!", "Harbour sez", hb_bitOr( MB_OKCANCEL, MB_ICONEXCLAMATION, MB_HELP ) )
/* Force Windows not to show dragged windows contents */
? "Full content drag: OFF"
? DllCall( "user32.dll", DLL_OSAPI, "SystemParametersInfoA", SPI_SETDRAGFULLWINDOWS, 0, 0, 0 )
Inkey( 0 )
? "Full content drag: ON"
? DllCall( "user32.dll", DLL_OSAPI, "SystemParametersInfoA", SPI_SETDRAGFULLWINDOWS, 1, 0, 0 )
Inkey( 0 )
? "DLLCALL"
cData := Space( MAX_PATH )
? DllCall( "shell32.dll", DLL_OSAPI, "SHGetFolderPathA", 0, CSIDL_ADMINTOOLS, 0, 0, @cData )
? "REF:", cData
? "DLLCALL"
cData := Space( MAX_PATH )
? DllCall( "shell32.dll", DLL_OSAPI, "SHGetFolderPathW", 0, CSIDL_ADMINTOOLS, 0, 0, @cData )
? "REF:", cData
#endif
RETURN