从另一个线程关闭启动画面? [英] Closing the splash screen from a different thread?

问题描述

我正在使用 WindowsFormsApplicationBase 来显示启动画面.现在，在创建主表单并发生错误时，应该显示一个消息框，通知用户.但是，该消息框显示在初始屏幕下，因此它不可见.我需要关闭启动画面，才能与用户互动.

I'm using WindowsFormsApplicationBase to show a splash screen. Now, when the main form is created, and errors occur, a messagebox should be shown informing the user. However, the messagebox is displayed under the splash screen, so it's not visible. I need to close the splash screen so I can interact with the user.

以下代码将给出跨线程操作异常:

The following code will give a cross-thread operation exception :

class SingleInstanceApplication : WindowsFormsApplicationBase
{
    private static SingleInstanceApplication instance;

    public static void CloseSplash()
    {
        if (instance.SplashScreen != null)
            instance.SplashScreen.Close();
    }
}

错误:

Cross-thread operation not valid: Control 'Splash' accessed from a thread 
other than the thread it was created on.

这甚至有可能吗?

推荐答案

如果您的初始屏幕表单名为mySplashScreen:

If your splash screen form is named mySplashScreen:

mySplashScreen.Invoke(new MethodInvoker(delegate {
    mySplashScreen.Close();
    mySplashScreen.Dispose();
}));

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