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你能告诉我如何检查文件夹是否已经存在(在用户选择一个文件夹之后),如果是的话 - 用与附件类似的消息提示他?
谢谢
要强制始终弹出此警告(即使已经安装了应用程序并且您要将其新版本安装到同一文件夹中),您可以将其设置DirExistsWarning为yes:
DirExistsWarning
yes
[Setup] ... DirExistsWarning=yes