BUTTON CLASSES in visual C#

Generating DataMatrix in visual C# BUTTON CLASSES

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SYNTAX Get-EventLog [-AsString] [-ComputerName <string[]>] [-List] [<Com monParameters>] Get-EventLog [-LogName] <string> [[-InstanceId] <Int64[]>] [-Afte r <DateTime>] [-AsBaseObject] [-Before <DateTime>] [-ComputerName <string[]>] [-EntryType <string[]>] [-Index <Int32[]>] [-Message <string>] [-Newest <int>] [-Source <string[]>] [-UserName <strin g[]>] [<CommonParameters>]

AutoGraph is an automated publishing system I created for clients in the financial field. Besides making some neat use of Extensible Markup Language (XML), Scalable Vector Graphics (SVG), and Adobe InDesign tagged text, this system is made expandable by means of script objects. The system uses script objects in two ways one is for the basic purpose of organizing functions away from the main scripts. In fact, it uses 11 such libraries, each one containing functions for a specific purpose. These script files (which I call engines) can be loaded independently to other scripts and provide functionality in the form of subroutines, each covering a slightly different area. One engine covers InDesign commands, one covers Adobe Illustrator commands, one interacts with SQL, one creates SVG contents, and so on. The second way the system uses script objects is for processing the actual graph-bearing pages. Each script file has the code to create a unique type of graph: one creates a pie chart, one creates a bar graph, and so on. The challenge in creating this system was that I knew even after the system started being used that I would have to add more of these graph scripts, for about 40 more types of graphs, but I didn t want to have to change the main script or have to update it every time with a call to a new script. The solution was to make all the scripts share the same main subroutine. Each one of those graph-processing scripts has a subroutine called process with the same parameters. The main script starts by loading instances of all the scripts into a list of script objects. It also creates a sister list that contains a code name for each graph type in the same order in which they are stored in the script object list. As the main processor runs, it is fed data for each one of the graphs. From that data it figures out the graph s code name and uses it to get the offset in the script object list of the script object that can produce that graph type. Now, the main script has the data for the graph, and it knows where in the script object list it can find the script that can process that graph. All that happens next is that the main script calls the process subroutine for the correct script object and waits for it to finish running (see Figure 19-3). The advantage of this setup is that as long as I create the new graph-processing scripts using the same method, one main process subroutine with the same parameters, I can add them to the system without having to change the main script. In addition, all the graph-processing scripts load these same engine library scripts for their own functionality.