111,097
社区成员




public Form1()
{
InitializeComponent();
bool press = false;
Button button = new Button()
{
Location = new Point(10,10),
Text = "Press A",
};
button.Click += (s, e) =>
{
press = !press;
button.Text = press == true ? "Press B" : "Press A";
};
this.Controls.Add(button);
}