pb petabyte

The Treeview control in PowerBuilder is a tree-like tour, similar to the Windows resource manager. It features a tree-like hierarchy of information items, which can clearly show the relationship between the master and the details, making operations

1. Add an OLE object and obtain the progid string. For example: hkey_classes_root \ CLSID \ {a41a4187-5a86-4e26-b40a-856f9035d9cb} \ progid \ mstscax. mstscax.2 2.CodeReferenceLong ll_doc, I, ll_dc Oleobject mshtml Mshtml = create

1. Graphic datawindow data source (data) settings. Set category to a data Category field and value to a data value field. The series parameter is left blank without any information. 2. Graphic datawindow display information (text) settings. Set

Common Errors include system errors, database errors, and data window syntax errors.1. System-level errors can be handled through the systemerror event or try... catch... finally... end try;2. database errors can be obtained through the transcation

There is a pb9.0 ApplicationProgramIn the past, it was running normally in the XP system. After deployment to the server2008 Standard Edition system, occasional system errors may occur, resulting in the exit of the pb9.01 application. View windows

1. Insert a webbrowser Control nameOle_webbrowser2. Write a button to open the webpage.Ole_webbrowser.object.navigate ("www.baidu.cn ")3. Insert a ListBox control4. Write a button to get the linkInt I, countString ls_link []Count =

Datawindow.processing determines the type of DataWindow object that can be datawindow.processing to determine the type of DataWindow object, the type of DW is as follows: 0 (Default) Form, Group, Query, or Tabular 1 Grid 2 Label 3 Graph 4 crosstab 5

The method functions are provided below:1. Declare an external function to obtain the temporary path of the system. FUNCTION ulong GetTempPath (ulong nBufferLength, ref string lpBuffer) LIBRARY "kernel32.dll" alias for "GetTempPathA"2. Core

When dealing with mobile pages, we sometimes need to make the banner diagram a wide square with the screen to get the best experience, such as the Flipbord mobile page: So how do you use pure CSS to make a square that can fit the size? Scenario One:

/* because PB's Treeview control does not provide the search item function, this Program is a supplement to this shortcoming. call Syntax: findtreeitem (TV _tree, findby, data) call parameters: TV _tree: Treeview, specify search in

Sqlca. autocommit = trueDeclare lup_drophiscol procedure for up_drophiscol@ Tablename =: ls_tabname,@ Checkcontent =: ls_err output;Execute lup_drophiscol;If sqlca. sqlcode =-1 thenSqlca. autocommit = falseMessageBox ('error', sqlca.

// Function f_get_guid // obtain the globally unique code // Argument: of_guid // globally unique code // Return: [none] //---------------------------------------------- Oleobject pbobject Long ll_result Pbobject = create oleobject

1. Set the style type of a column (dept_id) in the data window to dropdownlistbox: Dw_1.modify ("dept_id.ddlb.case = 'any '") 2. Add data to the drop-down list box: Boolean lb_flag = falsestring ls_facno, ls_facname, ls_valuedeclare cur_munit

(1) switch to dddw:Dw_1.modify ("#1. dddw. Name = 'dddw _ jg '")Dw_1.modify ("#1. dddw. displaycolumn = 'name _ jg '")Dw_1.modify ("#1. dddw. datacolumn = 'id _ jg '")(2) switch to ddlb:Dw_1.modify ("#1. ddlb. Case = 'any '")Dw_1.object. #1. Values =

  Method 1:① Define API:Function ulong copyfile (ref string lpexistingfilename, ref string lpnewfilename, ulong bfailifexists) Library kernel32.dll "alias for" copyfilea"Note: copy an object.Returned value: ulong. If the value is not zero, the

MDAC must be installed on the target machine. Program Code is as follows: string ls_string, gs_apppath gs_apppath = getcurrentdirectory () gs_apppath = gs_apppath + "/" // determine whether the access driver has been installed on the system.

1. Insert a WebBrowser control nameOle_webbrowser2, write a button to open the Web pageOle_webbrowser.object.navigate ("www.baidu.cn")3. Insert a ListBox control4, write a link to get the buttonint I,countString ls_link[]Count =

1, the question of the proposed A data window is an object in power builder that retrieves, behaves, and manipulates data. If a data table is not many columns, using a single data window to manipulate the data is easy to implement, but in the actual

Author: Xingda Computer technology company (www.study01job.com) Guo Baoli Second, add to what position After an article, we continue to discuss how to determine where to add a node. This is actually a tree-structured traversal problem. The

Author: Xingda Computer technology company (www.study01job.com) Guo Baoli Here are 3 questions: 1, how to traverse, remove the data to be added to the tree structure. 2, add to what position. We need to determine the parent node in advance. 3.