能否同时以不同窗口邦的MDI形式打开几个窗口?
原文：Can several windows be open in a MDI form with different window states at the same time?

我的确提出了MDI Winforms的申请,并注意到我有问题。

如何使温得国家陷入困境? [闭门]
原文：How to trap the Window state? [closed]

我ni笑,想知道如何把它trap陷?