int n = panel.Controls.OfType<Label>().Count();
转载于:https://www.cnblogs.com/linji/archive/2012/09/20/2694640.html
2024-03-07 16:15:39
int n = panel.Controls.OfType<Label>().Count();
转载于:https://www.cnblogs.com/linji/archive/2012/09/20/2694640.html
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