NSIS 限制文件夹安装 [英] NSIS restrict folder installation

问题描述

我正在使用一个 NSIS 安装程序，我需要能够阻止安装到用户错误"文件夹(即 $SYSDIR、$WINDIR、$DESKTOP 等...)

I have a NSIS installer I am working on that I need to be able to prevent installation to the "user error" folders (i.e. $SYSDIR, $WINDIR, $DESKTOP etc... )

我希望他们能够选择安装路径，但如果他们选择了上面列出的位置，则只需禁用下一步按钮.我到处搜索，找不到这个问题的答案.

I want them to be able to chose a installation path but just have the next button be disabled if they chose a location as listed above. I have searched everywhere and can't find an answer to this one.

我试图使用它，但我仍然可以安装到桌面:

I was trying to use this but I can still install to desktop:

!define MUI_PAGE_CUSTOMFUNCTION_LEAVE MyDirLeave
!insertmacro MUI_PAGE_DIRECTORY
...
Function MyDirLeave
  Push $0
    StrLen $0 $DESKTOP
    StrCpy $0 $INSTDIR $0
    StrCmp $0 $DESKTOP 0 proceed
    MessageBox MB_ICONSTOP|MB_OK \
        "Installation on DESKTOP is not allowed, choose another directory"
    Abort
    proceed:
  Pop $0
FunctionEnd

推荐答案

使用 .onVerifyInstDir 回调函数.

Function .onVerifyInstDir
StrLen $0 $Desktop
StrCpy $0 $INSTDIR $0
StrCmp $0 $Desktop 0 PathGood
Abort
PathGood:
FunctionEnd

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