说明：  C#控件查询手册 CheckedListBox 控件19 ComboBox 控件20 DomainUpDown 控件21 ListBox 控件22 ListView 控件24 NumericUpDown 控件26 TreeView 控件27 图形显示控件 PictureBox 控件29 图形存储控件 ImageList 控件30 值的设置控件 CheckBox 控件31 CheckedListBox 控件31 RadioButton 控件32 TrackBar 控件32 数据的设置控件 DateTimePicker 控件34 MonthCalendar 控件35 对话框控件 ColorDialog 控件36 FontDialog 控件36 OpenFileDialog 控件37 PrintDialog 控件37 PrintPreviewDialog 控件37
(C# controls query manual CheckedListBox control 19 the ComboBox control 20 the DomainUpDown control 21 the ListBox control 22 the ListView control 24 the NumericUpDown control 26 the TreeView control 27 graphic display control PictureBox control 29 graphics storage control ImageList controls 30 value of setting controls CheckBox controls 31 CheckedListBox controls 31 RadioButton controls 32 the TrackBar control 32 data set control DateTimePicker controls 34 MonthCalendar controls 35 dialog controls ColorDialog control 36 FontDialog controls 36 OpenFileDialog control 37 PrintDialog control 37 PrintPreviewDialog controls 37)