如何从Inno Setup Pascal脚本设置版本号 [英] How to set version number from Inno Setup Pascal Script

问题描述

我有一个脚本，可以从应用程序文件中读取版本号.现在，我需要找到一种方法将此号码放入Inno Setup的 AppVersion 指令中.

I have a script that reads the version number from an application file. Now I need to find a way to place this number in the AppVersion directive of Inno Setup.

如何将函数的返回值放在 AppVersion 指令中?

How can I place the return value of my function in the AppVersion directive?

推荐答案

使用脚本化常数:

[Setup]
AppVersion={code:GetAppVersion}

[Code]

function GetAppVersion(Param: string): string;
begin
  Result := MyFunction;
end;

如果函数调用成本很高，则应将其值缓存到全局变量，并在脚本常量中使用缓存的值.

If the function call is costly, you should cache its value to a global variable and use the cached value in the scripted constant.

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