如何检测ToolStripTextBox中的Alt +左​​键

Question

在C＃ - WinForms中，如何在ToolStripTextBox中按下Alt +左​​键时检测它？

Answer 1

    protected override bool ProcessCmdKey(ref Message msg, Keys keyData) {
        if (this.ActiveControl == toolStripTextBox1.Control && keyData == (Keys.Alt | Keys.Left)) {
            MessageBox.Show("it's special");
            return true;
        }
        return base.ProcessCmdKey(ref msg, keyData);
    }