Data Ortogonale Projection
Visual Dorp Filter  V.6.1

It showes a sample example of  making a form with application of  Visual Dorp Filter(VDF) objects.
Example includes all steps , necessary for making a form with 122 (elim 32) possible views.
The Form with 5 objects.   

 Part 1 Create a user form
              Add some Visual FoxPro objects
              Add some Visual DorpFilter primary objects
              Add Visual DorpFilter advansed InList object
              Modify properties of the Vdf_numAsString object  
              Modify properties of theVdf_strLike object  
              Modify properties of the Vdf_logical object  
              Modify properties of the Vdf_dateTopBottom object  
              Modify properties of the Vdf_inList object  
              Modify click method for the close form 
              Modify click method for the refresh filter 
              Modify click method for the order/index 
              Modify methods and properties of the grid 
              Modify methods and properties of the form 
              Modify init method of the form 
              Sensability of Vdf object(zOsvetlibrowse,zZatamniBrowse) 
              Program code for SQL 
              Modify destroy method of the form 
              Data enviroment of the form
    Part 2 Example with primary objects
                Where condition request
                Activate string as numeric object
                Activate string like object
                Activate logical object
                Refresh where condition
                Run form
    Part 3 Example with IN list object
          Switch all objects
          IN list where conditon request
          Activate logical object
          Activate IN list menu
          Select IN list by menu
          Enter IN list values
          Run IN list form
    Part 4 Example with NOT condition
            NOT condition request
           Actvate string as numeric object
           Activate NOT condition
           Display object with NOT condition
           Activate string object
           Run form with NOT condition
    Part 5 Example with AND/OR operator
           OR conditon request
            Activate string as numeric object
            Activate date object
            AND to OR condition
            Display OR operator and object
            Run OR filter form
    Part 6 Example with NULL value
            NULL condition request 
            Activate NULL operator
            Display object with NULL value
            Activate logical object
            Run form with NULL value
    Part 7 Advanced course
                  Add Visual DorpFilter condesed object / Kond_date_ymd
                 Add Visual DorpFilter special object / Spec_12months
                 Add Visual DorpFilter extended object /Ext_numAsString
                 Start of condesed object
                 Caption of prim object
                 Caption of cpec object
                 Property xFilterKey
                 Caption of special object
                 Property xFilterKey
                 Property xFilterKey
                 Number of decimal place
                 Max lenth of field
                 Caption of extended object 
                 Modify program code for SQL(add objects)
    Part 8 Example with condesed object
          Condesed where conditon request
         Activate condesed object
         Activate m-d
         Enter values
         Run form with condesed object
    Part 9 Example with special object
              Special where conditon request
              Activate special object
              Run form with special object
    Part 10 Example with extended object
         Extended where conditon request
         Activate Extended  object
         Activate add option
                Add value1
                Add value2
                Add value3
        Run form with extended object
    Part 11 Example with print object
                Add text print object
                Add command botton for Prew/Report
                Click method for Prew/Report
                Create .frx
                Example - print header1
                Example - print header2
    Part 12 Appendix
                    Appendix A 
                            Modify main code
                            Add function to the stored procedure
                            Modify main code
                    Appendix B 
                           Copy VDF framework
                           Add vdf class
                           Select vdf_custom from vdf_class.vcx
                           Enter vdf_grafic path for .bmp pictures(folders - "vdf_grafic")
                    Program code(methods)
                               1. thisform.Init()
                               2. thisform.Destroy()
                               3. thisform.xSqlExecute()
                               4. thisform.zOsvetliBrowse()
                               5. thisform.zZatamniBrowse()
                               6. thisform.grdDisplay.Destroy()
                               7. thisform.cboOrder.Click()
                               8. thisform.cmdRefresh.Click()
                               9. thisform.cmdClose.Click()
                             10. thisform.vdfInList1.uGroupMenu()