Question

我正在尝试在主窗体显示后立即打开辅助窗体，但是，辅助窗体首先显示，然后在辅助窗体关闭后显示主窗体（第二种窗体就像启动画面一样）。这是一个例子：

private void Form1_Load(object sender, EventArgs e)
    {
        doSomething1(sender, e);
        doSomething2(sender, e);
        // The new form I want to open after the main form.
        Form2 f2 = new Form2();
        doSomething3(sender, e);
    }
    private void doSomething1(object sender, EventArgs e)
    {
        // Do something here...
    }
    private void doSomething2(object sender, EventArgs e)
    {
        // Do something here...
    }
    private void doSomething3(object sender, EventArgs e)
    {
        // Do something here...
    }

Answer 1

使用Form1.Shown事件代替Load事件：

private void Form1_Shown(Object sender, EventArgs e) {
    doSomething1(sender, e);
    doSomething2(sender, e);
    // The new form I want to open after the main form.
    Form2 f2 = new Form2();
    doSomething3(sender, e);
}

或者，取决于doSomething1和doSomething2是否正在进行用户不需要查看的后台处理：您可以在加载处理程序中保留这两个，并且仅移动最后两个语句进入Shown处理程序。

Answer 2

在构造函数中首先初始化Shown事件处理程序：

public Form1()
    {
        InitializeComponent();

        this.Shown += new EventHandler(Form1_Shown);
    }

然后把代码放在那里：

void Form1_Shown(object sender, EventArgs e)
    {
      doSomething1(sender, e);
      doSomething2(sender, e);
      // The new form I want to open after the main form.
      Form2 f2 = new Form2();
      doSomething3(sender, e);
   }

Answer 3

public Form1()
{
    InitializeComponent();

    Form2 f2 = new Form2();
    f2.Show();

我想在打开主窗体后打开第二个窗体，但第二个窗体首先打开

3 个答案: