adding the checkbox column in to WPF datagrid and select the checked rows ?? Adding user control that has no default constrctor in mainwindow throws exception. Adding UserControl programmatically Adjust the height of the WPF window Automatically based on window size ! Advice on a help file ...
As mentioned, the CheckBox usually corresponds to a boolean value, which means that it only has two states: true or false (on or off). However, since a boolean data type might be nullable, effectively allowing for a third option (true, false or null), the CheckBox control can also suppo...
public void addCheckbox() { ContextMenu cm = new ContextMenu(); for (int i = 0; i < dgPerson.Columns.Count; i++) { CheckBox cb = new CheckBox(); cb.Content = dgPerson.Columns[i].Header.ToString(); bindColumnAndCheckbox(dgPerson.Columns[i], cb); cm.Items.Add(cb); } dgPerson...
再后来接触到了MVVM,更加体会到了以MVVM模式开发WPF带来的好处。现在除非要求已经不再用Winform了,小工...
大多数属性默认为 OneWay 绑定,但某些依赖项属性(通常是用户可编辑控件的属性,如 TextBox.Text 和 CheckBox.IsChecked 默认为双路绑定。默认情况下,确定依赖项属性是单向绑定还是双向绑定的编程方法是,使用DependencyProperty.GetMetadata获取元数据,然后检查FrameworkPropertyMetadata.BindsTwoWayByDefault属性的Boolean值。
adding the checkbox column in to WPF datagrid and select the checked rows ?? Adding user control that has no default constrctor in mainwindow throws exception. Adding UserControl programmatically Adjust the height of the WPF window Automatically based on window size ! Advice on a help file for...
Instant changes are fine for CheckBox and other simple controls. However, for text fields, updating after every keystroke can diminish performance and denies the user the usual opportunity to backspace and fix typing errors before committing to the new value. For example, the TextBox.Text ...
简介:原文:WPF自定义控件与样式(13)-自定义窗体Window & 自适应内容大小消息框MessageBox一.前言 申明:WPF自定义控件与样式是一个系列文章,前后是有些关联的,但大多是按照由简到繁的顺序逐步发布的等,若有不明白的地方可以参考本系列前面的文章,文末附有部分文章链接。
Instant changes are fine for CheckBox and other simple controls. However, for text fields, updating after every keystroke can diminish performance and denies the user the usual opportunity to backspace and fix typing errors before committing to the new value. For example, the TextBox.Text ...
The last section of a ControlTemplate is generally dedicated to Trigger elements. These change properties of the elements that make up the visual tree based on changes in properties of the control. Figure 2 shows a large portion of the Triggers section for the custom CheckBox template....