public Text textdd;public void get_data(object sender,DataReceivedEventArgs e) { if(!string.IsNullOrEmpty(e.Data)) { print(e.Data); } }将print的输出转换到创建的textdd表示
时间: 2024-04-16 21:28:54 浏览: 14
您可以将输出转换到创建的`textdd`表示,可以通过将`print`语句更改为将`e.Data`赋值给`textdd.text`来实现。下面是修改后的代码示例:
```csharp
public Text textdd;
public void get_data(object sender, DataReceivedEventArgs e)
{
if (!string.IsNullOrEmpty(e.Data))
{
textdd.text = e.Data;
}
}
```
在上述代码中,我们将`print(e.Data)`语句替换为`textdd.text = e.Data`,这样就将`e.Data`的内容赋值给了`textdd.text`。这将导致`textdd`文本组件中显示与接收到的数据相同的文本。请确保在使用此代码之前,已经正确引用了`UnityEngine.UI`命名空间并将`textdd`正确地引用到UI中的Text组件。
相关问题
winform中,private void LoginForm_Load(object sender, EventArgs e) { // 加载保存的账号密码 textBox1.Text = Properties.Settings.Default.username; textBox2.Text = Properties.Settings.Default.password; checkBox2.Checked = !string.IsNullOrEmpty(Properties.Settings.Default.username); }发现这段代码的错误并说明如何修改
这段代码存在的问题是,当用户第一次运行程序时,还没有保存账号密码的设置,这时候`Properties.Settings.Default.username`和`Properties.Settings.Default.password`的默认值是`null`,直接将其赋值给`textBox1.Text`和`textBox2.Text`会引发空引用异常。
为了避免这个问题,我们可以使用null条件运算符`?.`来判断这些属性是否为空,如果不为空才将其值赋给文本框。修改后的代码如下:
```csharp
private void LoginForm_Load(object sender, EventArgs e)
{
// 加载保存的账号密码
textBox1.Text = Properties.Settings.Default.username?.ToString();
textBox2.Text = Properties.Settings.Default.password?.ToString();
checkBox2.Checked = !string.IsNullOrEmpty(Properties.Settings.Default.username);
}
```
这样修改之后,如果`Properties.Settings.Default.username`和`Properties.Settings.Default.password`为空,程序会避免空引用异常,而是将文本框的值设置为空字符串。
加英文注释 private void Button_ok(object sender, RoutedEventArgs e) { if (string.IsNullOrEmpty(Height.Text)&& string.IsNullOrEmpty(width.Text)) { } else { q = Convert.ToInt32(Height.Text); p = Convert.ToInt32(width.Text); Thickness1(); } }
Here's the annotated code with English comments:
```csharp
private void Button_ok(object sender, RoutedEventArgs e)
{
// Check if the Height and Width text boxes are empty or null
if (string.IsNullOrEmpty(Height.Text) && string.IsNullOrEmpty(width.Text))
{
// If both are empty, do nothing
}
else
{
// If at least one text box has a value, convert the text to integers
q = Convert.ToInt32(Height.Text);
p = Convert.ToInt32(width.Text);
// Call the method Thickness1() to perform some calculations
Thickness1();
}
}
```
This code is a method that handles a button click event. It checks if the Height and Width text boxes are empty or null, and if not, converts their values to integers. Then it calls another method called Thickness1() to perform some calculations.