TypeOf运算和CTYPE代码等同于C＃

• Z时代
• 2024-01-10
• 分类：问答

有人可以帮助我的等价代码为C＃TypeOf运算和CTYPE代码等同于C＃

Public Sub ClearTextBox(ByVal root As Control) 
    For Each ctrl As Control In root.Controls 
     ClearTextBox(ctrl) 
     If TypeOf ctrl Is TextBox Then 
      CType(ctrl, TextBox).Text = String.Empty 
     End If 
    Next ctrl 
End Sub 

回答：

public void ClearTextBox(Control root) 
{ 
    foreach (Control ctrl in root.Controls) 
    { 
     ClearTextBox(ctrl); 
     if (ctrl is TextBox) 
     { 
      ctrl.Text = string.Empty; 
     } 
    } 
} 

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