这样它才能用Button类型的属性和方法,例如你要在单击一个按钮的时候获得这个按钮上的字符串。private void btnAdd_Click(object sender, EventArgs e) { try { Button btn = sender as Button; //创建Button对象 string strText = (sender as Button).Text.Trim();就是这样。 追问 获得这个按钮上的字符串。
{ Button btn = sender as Button; //创建Button对象 string strText = (sender as Button).Text.Trim();就是这样。
先把事件的访问修饰符改成public，然后把事件源sender还原成Button对象 Button btn=sender as Button,之后事件中一切对button的操作都用btn代替原来的Button对象,在from2中创建form1 的对象,再 this.form2的button名称.Click += new EventHandler(form1对象名.button1_Click);这样两个button就会绑定同一...
button7.click = new System.EventHandler(button_Click);private void button_Click(objet sender ,EventArgs e){ Button btn =(Button)sender ;//实例化按钮，从而获取当前单击按钮的值 if (value1 == null){ value1 = Convert.ToDouble(btn.Text);} else { value2 = Convert.ToDouble(btn....
(sender as MainButton).ImgOver.Source = e.NewValue as ImageSource; } private void Btn_Click(object sender, RoutedEventArgs e) { var handler = this.OnClick; if (handler != null) handler.Invoke(); } } } 三、使用MainButton用户控件 创建一个Window窗体,在窗体的xaml文件中添加命名空间(xmlns...
/// 修改权限时触发 设置 IsEnabled 的值 /// </summary> /// <param name="d"></param> /// <param name="e"></param> private static void OnAuthorityLevelMinChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { WxResetButton btn = d as WxResetButton; int value = (int)btn...
Windows.ApplicationModel.Email.DataProvider Windows.ApplicationModel.ExtendedExecution Windows.ApplicationModel.ExtendedExecution.Foreground Windows.ApplicationModel.Holographic Windows.ApplicationModel.LockScreen Windows.ApplicationModel.PackageExtensions Windows.ApplicationModel.Payments ...
void OnClick1(object sender, RoutedEventArgs e) { btn1.Background = Brushes.LightBlue; } void OnClick2(object sender, RoutedEventArgs e) { btn2.Background = Brushes.Pink; } void OnClick3(object sender, RoutedEventArgs e) { btn1.Background = Brushes.Pink; btn2.Background = Brushes....
void OnClick1(object sender, RoutedEventArgs e) { btn1.Background = Brushes.LightBlue; } void OnClick2(object sender, RoutedEventArgs e) { btn2.Background = Brushes.Pink; } void OnClick3(object sender, RoutedEventArgs e) { btn1.Background = Brushes.Pink; btn2.Background = Brushes....
选择完成后判断时，遍历groupbox控件子控件，如果控件为rediobutton，检查其Checked属性，如果为true则是已选。代码如下：private void radioButton_CheckedChanged(object sender, EventArgs e){ if (sender is RadioButton) { RadioButton rdoCtl = sender as RadioButton; if (rdoCtl.Checked...