window forms遍历窗体所有控件
/// <summary>
/// 只遍历控件的子控件,不遍历孙控件
///当控件有子控件时,需要用递归的方法遍历,才能全部列出控件上的控件
/// </summary>
/// <typeparam name="T">要匹配的控件类型</typeparam>
/// <param name="control">要遍历的了控件</param>
/// <param name="controlsName">要匹配的控件名</param>
/// <returns></returns>
public static Control GetControl<T>(Control control, string controlsName)
{
if (control == null) return null;
Control _control;
for (int i = 0; i < control.Controls.Count; i++)
{
_control = control.Controls[i];
if (_control == null) return null;
if (_control.Name == controlsName && _control is T)
return _control;
if (_control.HasChildren)
{
_control = GetControl<T>(_control, controlsName);
if (_control != null)
return _control;
}
}
return null;
}
/// <summary>
/// 遍历窗体所有控件
/// </summary>
/// <typeparam name="T">要匹配的控件类型</typeparam>
/// <param name="form">窗体名</param>
/// <param name="controlsName">要匹配的控件名</param>
/// <returns></returns>
public static Control GetControl<T>(Form form, string controlsName)
{
Control _Control = null;
for (int i = 0; i < form.Controls.Count; i++)
{
_Control = GetControl<T>(form.Controls[i], controlsName);
if (_Control != null)
return _Control;
}
return null;
}
使用方法:
Control _control;
_control = GetControl<TextBox>(customer, "txtValue");
if(_control!=null)
((TextBox) _control).Text = "text";
_control = GetControl<ComboBox>(customer, "ddl");
if (_control != null)
((ComboBox)_control).SelectedIndex = 0;