1. First test this using Delphi code. I think you need to set the NoDataBehaviors prior to calling Report.Print. If you set the property while the report is generating I do not know what the result will be.
2. If it works in Delphi code, then the next step is to implement a RAP pass-through function that you can call from RAP code. (This is required because RAP does not know about the NoDataBehavior property - primarily because RAP does not support the 'set' datatype).
There are two very simple and powerful techniques to extend the capabilities of RAP infinitely. These are summarized below and covered in more detail in the RAP.hlp online help. Demos and tutorials are installed to RBuilder\Demos\RAP. The tutorial text is located in RAP.hlp.
1. RAP Pass-Through Functions
These are functions that appear in the Language tab of RAP's Code Toolbox. These functions are written in Delphi and can be called from RAP. RAP's pass-through function architecture enable's developers to add new built-in functions to RAP's code toolbox.
2. Extend RAP's RTTI
RAP's Run-time Type information defines what classes and properties can be accessed via RAP. By default the published properties of any class that is registered with Delphi's RegisterClass procedure is recognized by RAP. In addition many of the public properties and methods of ReportBuilder classes are exposed.
Comments
1. First test this using Delphi code. I think you need to set the
NoDataBehaviors prior to calling Report.Print. If you set the property while
the report is generating I do not know what the result will be.
2. If it works in Delphi code, then the next step is to implement a RAP
pass-through function that you can call from RAP code. (This is required
because RAP does not know about the NoDataBehavior property - primarily
because RAP does not support the 'set' datatype).
--------------------------------------------------
Article: Extending RAP
---------------------------------------------------
There are two very simple and powerful techniques to extend the capabilities
of RAP infinitely. These are summarized below and covered in more detail in
the RAP.hlp online help. Demos and tutorials are installed to
RBuilder\Demos\RAP. The tutorial text is located in RAP.hlp.
1. RAP Pass-Through Functions
These are functions that appear in the Language tab of RAP's Code Toolbox.
These functions are written in Delphi and can be called from RAP. RAP's
pass-through function architecture enable's developers to add new built-in
functions to RAP's code toolbox.
2. Extend RAP's RTTI
RAP's Run-time Type information defines what classes and properties can be
accessed via RAP. By default the published properties of any class that is
registered with Delphi's RegisterClass procedure is recognized by RAP. In
addition many of the public properties and methods of ReportBuilder classes
are exposed.
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Nard Moseley
Digital Metaphors
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Best regards,
Nard Moseley
Digital Metaphors
www.digital-metaphors.com