Parameters vary from function to function. Interface, which is included in FastReport (to learn more aboutįastScript refer to it’s library manual).Īnd/or functions can be added to FastReport. Functions are added using the “FastScript” library FastReport also allows custom functions to be In chapter " Using Custom Functions in a Report" page 37, 38, 39įastReport has a large number of built-in standard functions for use
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How to do this you can find in : FastReport DeveloperManual-en.pdf. The report I get the following: The following error(s) have occured:Ĭould not convert variant of type (Null) into type (Boolean)Īnd in case you think the variable Photo is not correct, the following code works as long as the picture exists: Picture1.LoadFromFile(Photo) įastReport allows custom functions to be written and used. I ran the runtime designer, and the function is there, but running If (FrFileExists(Photo)) then Picture1.LoadFromFile(Photo) I call the code in the report as follows: procedure MasterData1OnBeforePrint(Sender: TfrxComponent) Using the directions below, I added the FrFileExists function to my report. I tried using the Delphi FileExists() function but it apparently does not exist in FastReport 4 How do I verify that the file to be loaded exists? It runs OK as long as the files are there.
I have a report written in DelphiXE using FastReport 4Ī picture is loaded dynamically at run time using a file name stored in a table, using the following: procedure Picture1OnBeforePrint(Sender: TfrxComponent)