如何在ToolStripTextBox中檢測Alt +左​​鍵

Question

在C＃ - WinForms中，如何在ToolStripTextBox中按下Alt +左​​鍵？

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); 
    }