DEClassLibrary Property
Specifies the name of a program (.prg) or visual class library (.vcx) file that contains the DataEnvironment class specified by the DEClass property. Read/write at design time and read-only at run time.
Form.DEClassLibrary [= cClassLibraryName]
cClassLibraryName
Character data type. The cClassLibraryName parameter specifies one of the following:Name of a program (.prg) file
Name of a visual class library (.vcx) file
Applies To: Form Object
For details, see DEClass Property.
The following example creates a Form class and then sets the DEClassLibrary and DEClass properties to specify an external DataEnvironment class and class library.
DEFINE CLASS form1 as Form
DEClassLibrary="MyProgram.prg"
DEClass="MyDE"
ENDDEFINE
Protecting and Hiding Class Members