InstallSheild 获取系统环境变量，如Desktop路径等

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使用FOLDER_DESKTOP变量获取的桌面路径可能为：C:\Users\Public\Desktop

而不是C:\Users\用户\Desktop

Copy and paste the following define statements at the beginning of your setup.rul file.

Also, make sure you copy and paste the prototype for the SHGetFolderPathA() Windows API.

This Windows API retrieves the path to the locations you want.

setup.rul Code

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// Define Microsoft CSIDL constants
//定义环境变量的ID，更详细参见shlobj.h
//参见msdn KNOWNFOLDERID
//http://msdn.microsoft.com/en-us/library/windows/desktop/dd378457(v=vs.85).aspx
#define CSIDL_DESKTOP                   0x0000        // <desktop>
#define CSIDL_INTERNET                  0x0001        // Internet Explorer (icon on desktop)
#define CSIDL_PROGRAMS                  0x0002        // Start Menu\Programs
#define CSIDL_CONTROLS                  0x0003        // My Computer\Control Panel
#define CSIDL_PRINTERS                  0x0004        // My Computer\Printers
#define CSIDL_PERSONAL                  0x0005        // My Documents
#define CSIDL_FAVORITES                 0x0006        // <user name>\Favorites
#define CSIDL_STARTUP                   0x0007        // Start Menu\Programs\Startup
#define CSIDL_RECENT                    0x0008        // <user name>\Recent
#define CSIDL_SENDTO                    0x0009        // <user name>\SendTo
#define CSIDL_BITBUCKET                 0x000a        // <desktop>\Recycle Bin
#define CSIDL_STARTMENU                 0x000b        // <user name>\Start Menu
#define CSIDL_MYDOCUMENTS               CSIDL_PERSONAL //  Personal was just a silly name for My Documents
#define CSIDL_MYMUSIC                   0x000d        // "My Music" folder
#define CSIDL_MYVIDEO                   0x000e        // "My Videos" folder
#define CSIDL_DESKTOPDIRECTORY          0x0010        // <user name>\Desktop
#define CSIDL_DRIVES                    0x0011        // My Computer
#define CSIDL_NETWORK                   0x0012        // Network Neighborhood (My Network Places)
#define CSIDL_NETHOOD                   0x0013        // <user name>\nethood
#define CSIDL_FONTS                     0x0014        // windows\fonts
#define CSIDL_TEMPLATES                 0x0015
#define CSIDL_COMMON_STARTMENU          0x0016        // All Users\Start Menu
#define CSIDL_COMMON_PROGRAMS           0X0017        // All Users\Start Menu\Programs
#define CSIDL_COMMON_STARTUP            0x0018        // All Users\Startup
#define CSIDL_COMMON_DESKTOPDIRECTORY   0x0019        // All Users\Desktop
#define CSIDL_APPDATA                   0x001a        // <user name>\Application Data
#define CSIDL_PRINTHOOD                 0x001b        // <user name>\PrintHood
// Prototype SHGetFolderPathA in SHFolder.dll
//加载SHFolder.dll，这样就可以使用SHGetFolderPathA()了
prototype NUMBER SHFolder.SHGetFolderPathA(HWND, NUMBER, NUMBER, NUMBER, BYREF STRING);

The following example code shows you how to call the above win api function.

setup.rul Code

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function OnBegin()
    number nFolderCSIDL;   // CSIDL value you want to use
    string szPath;              // Will contain path returned from API
    number nResult;         // Return value from API
begin
    try
        szPath = "";
        nFolderCSIDL = CSIDL_DESKTOP;
        nResult = SHFolder.SHGetFolderPathA(NULL, nFolder, NULL, , szPath);
    if (nResult = ) then
        MessageBox("CSIDL_DESKTOP = " + szPath, );
    else
        SprintfBox(SEVERE, "CSIDL_DESKTOP", "Failed(%d): %s", nResult, FormatMessage(nResult));
    endif;
end;