使用教程从带有C#和DirectX的操纵杆获取输入

Question

我正在使用Visual Studio 2019，我的问题与本教程的使用密切相关。我已经完成了所有的步骤，例如：

1. 在C中创建窗口窗体#
2. 添加现有文件Joystick.cs
3. 添加参考项
4. 添加了应用程序配置文件并粘贴了提供的代码
5. 将示例代码粘贴到Form1.cs中

我的问题：我缺少什么？我无法访问操纵杆库错误屏幕截图

这是整个Form1.cs代码：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace RunJoyStickOnLocalMachine{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void joystickTimer_Tick_1(object sender, EventArgs e)
{
try
{
joystick.UpdateStatus();
joystickButtons = joystick.buttons;
if (joystick.Xaxis == 0)
output.Text += "Leftn";
if (joystick.Xaxis == 65535)
output.Text += "Rightn";
if (joystick.Yaxis == 0)
output.Text += "Upn";
if (joystick.Yaxis == 65535)
output.Text += "Downn";
for (int i = 0; i < joystickButtons.Length; i++)
{
if (joystickButtons[i] == true)
output.Text += "Button " + i + " Pressedn";
}
}
catch
{
joystickTimer.Enabled = false;
connectToJoystick(joystick);
}
}
}
}

如果我还有什么需要提供的，请通知我。

谢谢！

---

编辑：我通过比较教程文件和博客中的逐步教程文件解决了这个问题。

Answer 1

您可以从您提到的文章中下载项目来检查代码。

根据我的测试，在将theJoystick.cs添加到项目中后，您可以在form1.cs代码中使用以下代码。

public partial class Form1 : Form
{
private Joystick joystick;        // define the type Joystick
private bool[] joystickButtons;  // here  define the bool array
public Form1()
{
InitializeComponent();
joystick = new Joystick(this.Handle);
connectToJoystick(joystick);
}
private void joystickTimer_Tick(object sender, EventArgs e)
{
try
{
joystick.UpdateStatus();
joystickButtons = joystick.buttons;
if (joystick.Xaxis == 0)
output.Text += "Leftn";    // output is the name of richtextbox
if (joystick.Xaxis == 65535)
output.Text += "Rightn";
if (joystick.Yaxis == 0)
output.Text += "Upn";
if (joystick.Yaxis == 65535)
output.Text += "Downn";
for (int i = 0; i < joystickButtons.Length; i++)
{
if (joystickButtons[i] == true)
output.Text += "Button " + i + " Pressedn";
}
}
catch
{
joystickTimer.Enabled = false;
connectToJoystick(joystick);
}
}
private void enableTimer()
{
if (this.InvokeRequired)
{
BeginInvoke(new ThreadStart(delegate ()
{
joystickTimer.Enabled = true;
}));
}
else
joystickTimer.Enabled = true;
}
private void connectToJoystick(Joystick joystick)
{
while (true)
{
string sticks = joystick.FindJoysticks();
if (sticks != null)
{
if (joystick.AcquireJoystick(sticks))
{
enableTimer();
break;
}
}
}
}
}