Question

我正在为我的程序添加语音控制功能。我的代码有错误，我似乎无法摆脱。语音控制将允许用户无需使用鼠标或键盘即可控制程序的各个方面。

目前，我的代码包括：

using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Drawing.Text;
using System.Drawing.Printing;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using FontCombo;
using System.Speech.Recognition;
using System.Speech.Recognition.SrgsGrammar;
using Microsoft.VisualBasic;

if (voctrl.Checked == true)
        {
            vcstat.Text = "Voice Control Enabled";
            recognizer = new SpeechRecognizer();
            recognizer.SpeechDetected += recognizer_SpeechDetected;
            recognizer.SpeechRecognitionRejected += recognizer_SpeechRecognitionRejected;
            recognizer.SpeechRecognized += recognizer_SpeechRecognized;
            GrammarBuilder grammar = new GrammarBuilder();
            grammar.Append(new Choices("Cut", "Copy", "Paste", "Select All", "Print", "Deselect All", "Delete", "Save", "Save As", "Open", "New", "Close"));
            recognizer.LoadGrammar(new Grammar(grammar));
        }
        else
        {
            vcstat.Text = "Voice Control Disabled";
        }

private void recognizer_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
    {
        if (voctrl.Checked == true)
        {
            switch (e.Result.Text.ToUpper) //This is the error according to Visual Studio
            {
                case
                "Cut":
                    Clipboard.SetText(richTextBoxPrintCtrl1.SelectedRtf, TextDataFormat.Rtf);
                    richTextBoxPrintCtrl1.SelectedRtf = "";
                    break; // etc.

我曾尝试在互联网上搜索解决方案，但似乎找不到符合此代码的解决方案。我究竟做错了什么？我很抱歉，如果我是愚蠢的，但我是C＃的新手和一般的编程。

错误如下：错误4开关表达式或大小写标签必须是bool，char，string，integral，enum或相应的可空类型

Answer 1

ToUpper应该是方法ToUpper()，您缺少括号

有关切换表达式的错误（必须是bool，char，string等）

1 个答案: