C.2 Is .NET Framework installed?
; IsDotNETInstalled
;
; Based on GetDotNETVersion
; http://nsis.sourceforge.net/Get_.NET_Version
;
; Usage:
; Call IsDotNETInstalled
; Pop $0
; StrCmp $0 1 found_dotNETFramework no_dotNETFramework
Function IsDotNETInstalled
Push $0
Push $1
StrCpy $0 1
System::Call "mscoree::GetCORVersion(w, i ${NSIS_MAX_STRLEN}, *i) i .r1"
StrCmp $1 0 +2
StrCpy $0 0
Pop $1
Exch $0
FunctionEnd