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- Re: Background Downloading with Delphi
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‎May 19, 2003
05:30 AM
Background Downloading with Delphi
I am trying to use new Background Downloading function of Update Srvice ver.2.0 with Delphi. I tried to modify VB example given:
......
var
UpdateAgent : IAgentEx;
UpdateCollection : IUpdates;
WithEvents,UpdateInstance : IUpdate;
iIndex : integer;
begin
UpdateAgent := CoAgent.Create;
if UpdateAgent.IsConnectedEx(pszProductCode) then
begin
UpdateCollection := UpdateAgent.EnumUpdates(pszProductCode);
For iIndex := 1 To UpdateCollection.Count do
begin
UpdateInstance := UpdateCollection.Item[iIndex];
If (UpdateInstance.IsNextUse = True) Then
If (UpdateInstance.Download(True) = True) Then
UpdateInstance.Execute;
End;
end;
but I am getting Delphi error message for the line in red, saying that I cannot assign UpdateInstance IUpdate object to an OLE Variable UpdateCollection.Item[iIndex].
Can anyone help?
......
var
UpdateAgent : IAgentEx;
UpdateCollection : IUpdates;
WithEvents,UpdateInstance : IUpdate;
iIndex : integer;
begin
UpdateAgent := CoAgent.Create;
if UpdateAgent.IsConnectedEx(pszProductCode) then
begin
UpdateCollection := UpdateAgent.EnumUpdates(pszProductCode);
For iIndex := 1 To UpdateCollection.Count do
begin
UpdateInstance := UpdateCollection.Item[iIndex];
If (UpdateInstance.IsNextUse = True) Then
If (UpdateInstance.Download(True) = True) Then
UpdateInstance.Execute;
End;
end;
but I am getting Delphi error message for the line in red, saying that I cannot assign UpdateInstance IUpdate object to an OLE Variable UpdateCollection.Item[iIndex].
Can anyone help?
(2) Replies
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‎May 27, 2003
09:26 AM
You must declare:
UpdateInstance : OleVariant;
then it works fine. It just does not use a static interface, see importfile.
UpdateInstance : OleVariant;
then it works fine. It just does not use a static interface, see importfile.
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‎Jun 06, 2003
04:27 AM
Thanks. It works great now:)
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