问:c#被指定为此窗体的 MdiParent 的窗体不是 MdiContainer?
解决:
public frmMain() { InitializeComponent(); this.IsMdiContainer = true; }
或者:窗体属性里有个IsMdiContainer属性,设置为true就ok了
转载于:https://www.cnblogs.com/dekevin/archive/2012/07/12/2587756.html
转载于:https://www.cnblogs.com/dekevin/archive/2012/07/12/2587756.html