我有一些问题的Riched20.dll文件,这是由我的应用程序使用,这个问题是固定的应用KB884047热修复程序,为了避免问题与旧的windows版本,我想要检测这个热修复程序是什么时候应用在系统中,那么我如何才能检查一个特定的热修复程序(windows更新)是否安装在我的系统中使用Delphi语言?
发布于 2011-05-12 08:46:36
不久前,我写了一篇关于这个话题的博客search for installed windows updates using Delphi, WMI and WUA
关键是使用Windows Update Agent API
检查此示例代码。
//use in this way ISHotFixID_Installed('KB982799')
function ISHotFixID_Installed(const HotFixID : string): Boolean;
var
updateSession : OleVariant;
updateSearcher : OleVariant;
updateEntry : OleVariant;
updateSearchResult : OleVariant;
UpdateCollection : OleVariant;
oEnum : IEnumvariant;
iValue : LongWord;
begin
result:=False;
updateSession:= CreateOleObject('Microsoft.Update.Session');
updateSearcher := updateSession.CreateUpdateSearcher;
//this line improves the performance , the online porperty indicates whether the UpdateSearcher goes online to search for updates. so how we are looking for already installed updates we can set this value to false
updateSearcher.online:=False;
updateSearchResult:= updateSearcher.Search(Format('IsInstalled = 1 and Type=%s',[QuotedStr('Software')]));
UpdateCollection := updateSearchResult.Updates;
oEnum := IUnknown(UpdateCollection._NewEnum) as IEnumVariant;
while oEnum.Next(1, updateEntry, iValue) = 0 do
begin
Result:=Pos(HotFixID,updateEntry.Title)>0;
updateEntry:=Unassigned;
if Result then break;
end;
end;https://stackoverflow.com/questions/5972149
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