Windows Form的控件不支持在工作线程中调用。要调用的话,用Invoke或者BackGroundWorker的事件切换到界面线程。
FolderBrowserDialog基于Windows Shell API。Windows Shell API不支持MTA,只支持STA。
The following is signature, not part of post
Please mark the post answered your question as the answer, and mark other helpful posts as helpful.
Visual C++ MVP