将 MUI_PAGE_DIRECTORY 页面字段设为只读?

Making MUI_PAGE_DIRECTORY page field readonly?

是否可以将 MUI_PAGE_DIRECTORY 页面中的目标文件夹字段设置为只读并禁用浏览按钮?

InstallDir "$ProgramFiles\Whatever"

!include MUI2.nsh
!include WinMessages.nsh
!insertmacro MUI_PAGE_WELCOME
!define MUI_PAGE_CUSTOMFUNCTION_SHOW RestrictDirPage
!insertmacro MUI_PAGE_DIRECTORY
!insertmacro MUI_PAGE_INSTFILES
!insertmacro MUI_LANGUAGE English

Function RestrictDirPage
!if "${MUI_SYSVERSION}" >= 2.0
SendMessage $mui.DirectoryPage.Directory ${EM_SETREADONLY} 1 0
EnableWindow $mui.DirectoryPage.BrowseButton 0
!else
FindWindow [=10=] '#32770' '' $HWNDPARENT
GetDlgItem  [=10=] 0x3FB
SendMessage  ${EM_SETREADONLY} 1 0
GetDlgItem  [=10=] 0x3E9
EnableWindow  0
!endif
FunctionEnd