确定Winform中活跃的MDI子级 [英] determining the active mdi child in winform

问题描述

在winform中确定活动的mdi子项

determining the active mdi child in winform

推荐答案

您可以尝试

如何神秘地命名属性ActiveMdiChild [

How about the very mysteriously named property ActiveMdiChild[^]

Form fm = this.ActiveMdiChild;
if (fm != null)
    fm.Close();
else
    //Application.Exit();

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