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POhow to execute a method specific to a function in a different class from the main form class? (c#)
 

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    <p>May be my lack of awareness of some key programming concept on polymorphism or interface inheritance etc. this should be easy. I'm a novice. </p> <p>I have a separate class in C# program called tts. Now I defined a function in it called speak. here is it:</p> <pre><code>class tts { public void speak() { Process process1 = new Process(); process1.StartInfo.FileName = "C:\\Program Files\\eSpeak\\command_line\\espeak.exe"; process1.StartInfo.Arguments = "hello"; process1.StartInfo.UseShellExecute = false; process1.StartInfo.CreateNoWindow = true; process1.Start(); //process1.Kill(); } } </code></pre> <p>When I call this function from main form under an event (<code>listBox1_SelectedIndexChange</code>), it runs fine. What this program does is read "hello" every time I scroll through my list box. But I want to kill process1 when I scroll to next item in listbox. when I implement the <code>process1.Kill()</code> (by uncommenting the kill method) in speak function, the program doesn't read "hello". What happens is that the process1 get killed immediately. So I would not implement method Kill() there under the speak function. But I want to kill process1 from main form when I change index of listbox (<code>listBox1_SelectedIndexChange</code>). Here is my main form code.</p> <pre><code> private void listBox1_SelectedIndexChanged(object sender, EventArgs e) { tts obj = new tts(); obj.speak(); } </code></pre> <p>What I want to do is this:</p> <pre><code> private void listBox1_SelectedIndexChanged(object sender, EventArgs e) { tts obj = new tts(); obj.speak(); process1.Kill(); } </code></pre> <p>which of course wont work since process1 is under the scope of function speak in class tts. how to execute <code>process1.Kill()</code> from main form?</p> <p>I would appreciate the basic code itself more than technical terms on what to do.</p>
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