这是我到目前为止所得到的,但是我似乎不能设置Keypress事件的keyCode。我读到keyCode正在被弃用,但我也尝试了代码(可以设置),但它不会触发输入操作。) console.log('down key was pressed')
let event = new KeyboardEvent('keyPress
由于某些原因,我的程序没有检测到当我按下一个键,即使它应该是好的。import javax.swing.*;
public static void main(String args[]) {
JFrame f = new JFrame(); f.setVisible(true); f.setTitle(
Private Sub txtFirstname_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtFirstname.KeyPress
If Char.IsLetter(e.KeyChar) = False And Char.IsControl(e.KeyChar)