Added MakeARPInstallDate macro to help create the Add/Remove Programs InstallDate property

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6995 212acab6-be3b-0410-9dea-997c60f758d6

Examples/makensis.nsi

@@ -48,6 +48,7 @@ RequestExecutionLevel admin
 !include "LogicLib.nsh"
 !include "Memento.nsh"
 !include "WordFunc.nsh"
+!include "Util.nsh"
 
 ;--------------------------------
 ;Definitions
@@ -844,6 +845,8 @@ Section -post
   WriteRegStr HKLM "${REG_UNINST_KEY}" "HelpLink" "http://nsis.sourceforge.net/Support"
   WriteRegDWORD HKLM "${REG_UNINST_KEY}" "NoModify" "1"
   WriteRegDWORD HKLM "${REG_UNINST_KEY}" "NoRepair" "1"
+  ${MakeARPInstallDate} $1
+  WriteRegStr HKLM "${REG_UNINST_KEY}" "InstallDate" $1
 
   WriteUninstaller $INSTDIR\uninst-nsis.exe
 

Include/Util.nsh

@@ -153,5 +153,12 @@ IntPtrCmpU `${a}` `${b}` `${jeek}` `${jles}` `${jgtr}`
 !macroend
 
 
+!define MakeARPInstallDate "!insertmacro MakeARPInstallDate "
+!macro MakeARPInstallDate _outvar
+System::Call 'KERNEL32::GetDateFormat(i0x409,i0,p0,t"yyyyMMdd",t.s,i${NSIS_MAX_STRLEN})'
+Pop ${_outvar}
+!macroend
+
+
 !endif # !___UTIL__NSH___
 !verbose pop