winfrom 界面上panel控件中的button按鈕上下左右鍵事件

public partial class Form1 : Form { public Form1() { InitializeComponent(); } Button[,] arr; private void Form1_Load(object sender, EventArgs e) { //獲取panel1的寬度計算一行放幾個btn int panelWidth = panel1.Clien

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