Inno Setup 5.5.4(a) under Windows 7 with mistake "cannot import dll"
I need to do one serup application with couple of dll's: In the pas-script do used compinstkey.dll which call the aspr_ide.dll. I did in the iss-script:
[Files]
Source: aspr_ide.dll; DestDir: {app};Flags: ignoreversion
Source: CompInstKey.dll; DestDir: {app}; Flags: ignoreversion
....
[Code]
....
function GetRegistrationKeys: PAnsiChar;
external 'GetRegistrationKeys@files:aspr_ide.dll stdcall';
procedure Installinfo(ApplicationName, Version, UserName, Key: PAnsiChar);
external 'Installinfo@files:CompInstKey.dll stdcall';
....
function InitializeSetup: Boolean;
begin
Result := False;
ExtractTemporaryFile('aspr_ide.dll');
ExtractTemporaryFile('CompInstKey.dll');
end;
.....
in the Windows XP it work fine, but Windows7 do throw the error "Cannot import dll: C:...Temptp.GHPtmpaspr_ide.dll". At the pause of installation the aspr_ide.dll in this moment exist at the "C:...Temptp.GHPtmp".
What do I wrong? Why dont run under Windows 7? How can I correct it?
You should use the delayload keyword on your function declarations like:
function GetRegistrationKeys: PAnsiChar;
external 'GetRegistrationKeys@files:aspr_ide.dll stdcall delayload';
procedure Installinfo(ApplicationName, Version, UserName, Key: PAnsiChar);
external 'Installinfo@files:CompInstKey.dll stdcall delayload';
The delayload causes the setup to only load the DLL when it is called rather than at startup as documented at http://www.jrsoftware.org/ishelp/index.php?topic=scriptdll.
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