Data
Ortogonale Projection
Vdf_logical
It enables a one choice from two possible values for forming filter.
Class name : Vdf_PrimaryObject.vcx
Logical object
Working review of the object
Return value from object : String value (method->xWriteFilter)
Display of the object
Action for forming filter:
1)
Left
click on switch activates click method for including/excluding choice
of filter value.
2)
Right
click on switch performs changing of filter condition (AND
or NOT AND).
Action on CheckBox or on switch activates method xLightOffGrid.
|
Methods |
Description |
Return |
|
xLightOffGrid |
It has been registered any change on activating object. The user would form it. |
Nill |
| xWriteFilter | It formed value of a filter. |
String |
| Properties | Description | Type | In/Out |
| xFilterKey |
The name of field for which a filter has been forming |
String | In |
| xPartOfInList |
Does it take part as primary object in forming IN LIST obj. |
.F. | |
| xPartOfOrList | Does it take part as primary object in forming OR obj. | .F. | |
| xCheckOnRetVal | Which
value it will return when object has been included and checked (default .T.) |
Undefined | Out |
| xCheckOffRetVal | Which
value it will return when object has been included and not checked (default .F.) |
Undefined | Out |
Example
Example
of forming filter for logical object.
String value of filter is : orders.paid = .T.
Working with NULL value
Display of the object
Example
Example
of forming filter for logical object.
String value of filter is : orders.paid is NULL