For example, if you create a control object that consists of two ListBoxes and two CommandButtons, and then add the control object to a form, the ListBoxes and CommandButtons cannot be manipulated individually at design time or at run time. For more information about control objects and ...
The following example creates aListBox. TheMultiSelectproperty for the list box is set to true (.T.), allowing you to make multiple selections from the list box. The source of the items that appear in the list box items is an array; the array is specified with theRowSourceTypeandRowSource...
When a form containing foundation classes is added to a Visual FoxPro project, the Project Manager automatically adds the visual class libraries containing the foundation classes to the project. However, there are other cases where you may need to add foundation classes to a project. For example,...
(2 ) A ctiveX控件还可以用于VB, FoxPro, V C 和 A ccess等拥有Control Container功能的应用程 序 可用Visual C++开发出应用程序所需的控件,再将控件放到Fox Pro及其他环境下使用 这样就 在不同的编程语言之间架起了 •座桥梁,既方便了编程者,又拓展了各种编程语言开发程序的能力 A ctiveX 是一种标准,...
(Visual FoxPro) | Line Control | ListBox Control | OLE Bound Control | OLE Container Control | OptionButton Control | OptionGroup Control | Page Object | PageFrame Control | _SCREEN System Variable | Shape Control | Spinner Control | TextBox Control (Visual FoxPro) | Timer Control | Tool...
(Visual FoxPro) | Line Control | ListBox Control | OLE Bound Control | OLE Container Control | OptionButton Control | OptionGroup Control | Page Object | PageFrame Control | _SCREEN System Variable | Shape Control | Spinner Control | TextBox Control (Visual FoxPro) | Timer Control | Tool...
As an example of the different handling of event parameters in the two versions of Visual Basic, consider a form with a Listbox control on it, for which you need to write code to show the checked item. In Visual Basic 6, you would write the following code: Private Sub List1_ItemCheck...
In this example a comma delimited string is pulled down over the wire and turned into a cursor that can be displayed in a listbox. The relevant code that goes into the Reload button of the form looks like this: o=CREATE("wwIPStuff") *** Retrieve all companies starting with "A" lc...
C.SQL的 DELETE命令可以物理地删除数据库表中的记录,而传统 Visual FoxPro 的 DELETE 命令只能逻辑删除数据库表中的记录 D.传统 Visual FoxPro 的 DELETE命令在删除数据库表中的记录之前不需要用 USE命令打开 表 免费查看参考答案及解析 题目: 133 在 Visual FoxPro 中,如果希望跳出 SCAN … ENDSCAN循环体、...
To demonstrate how we can utilize a DataSet to provide offline data editing through a Web Service I’ll use a simple form based example using the trusted old Sql Server Pubs sample database. I’ll start by retrieving a DataSet from .Net into a Visual FoxPro cursor over the Web Service. ...