I have a code void SomeButton_Click(object sender, EventArgs e) { if (this.Controls.Contains(Panel2)) { this.Controls.Remove(Panel2);
目录在Kotlin中经常看到主构造函数、成员变量、init代码块(也叫初始化器),它们的执行时机和顺序是什么样的呢?看一下官方的示例:classInitOrderDemo(name:String)...