c# this.Activated += new EventHandler(Form1_Activated);这句是什么意思?窗体的Activated事件是当此窗体得到焦点时执行么?this.Activated += new EventHandler(Form1_Activated);谢谢几位回答那我只添加Activated事件而不添

c# this.Activated += new EventHandler(Form1_Activated);这句是什么意思?窗体的Activated事件是当此窗体得到焦点时执行么?this.Activated += new EventHandler(Form1_Activated);谢谢几位回答那我只添加Activated事件而不添 This warehouse is yet to be activated. c#中this. this.richTextBox1.Text = ; 在c#中的含义 this copy of microsoft office is not activated 怎么办 c#中this的作用 C# this和C++this 的区别? activated holding c#中 Double num1 = Convert.ToDouble(this.textBox1.Text.ToString())是什么意思, 在C#中这是this.txtType.Text = string.Empty什么意思? c# 中this[name]表示什么 在c#中 this.banding()是什么意思 C#中this.Invalidate()表示什么意思? C# 中this.Validate()什么意思 This software must be activated prior to use.For activation,a valid SERIAL is essential. c# description= C# C#中Enabled是什么意思?比如：Form_Pass f9 = new Form_Pass();f9.Show();f9.form6 = this;this.Enabled = false;