You can record a macro to copy from and paste to the Excel worksheet. Easy enough. But what if you have a value in Microsoft Excel VBA that you want to put on the clipboard for another program? Or you want your code to get text from the clipboard after you copied it there from…
This is from Microsoft Excel 2000 Visual Basic Help, with changes and additions. All arguments are passed to procedures by reference, unless you specify otherwise. This is efficient because all arguments passed by reference take the same amount of time to pass and the same amount of space (4 bytes) within a procedure regardless of…
This is from Microsoft Excel 2000 Visual Basic Help, with changes and additions. A Function procedure is a series of Visual Basic statements enclosed by the Function and End Function statements. A Function procedure is like a Sub procedure, but a function can also return a value. A Function procedure can take arguments, such as…
This is an excerpt from Microsoft Excel Visual Basic Help, with extra Notes. The syntax in a Visual Basic Help topic for a method, statement, or function shows all the elements needed to use the method, statement, or function. The examples in this topic explain how to interpret the most common syntax elements. 1. Activate…
This is an excerpt from Microsoft Excel Visual Basic Help, with tips and corrections. Use these rules when you name procedures, constants, variables, and arguments in Visual Basic: 1. Capitalization and Case-Sensitivity Visual Basic isn’t case-sensitive, but it preserves the capitalization in the statement where the name is declared. If you declare variables with the…
This is an excerpt from Microsoft Excel 2000 Visual Basic Help. 1. Objects and Collections An object represents an element of an application, such as a worksheet, a cell, a chart, a form, or a report. In Visual Basic code, you must first identify an object. Only then can you apply one of the object’s…
The Manning formula for open-channel flow is: whereV= Velocityn = Manning’s “n”,r = Hydraulic radius = area / wetted perimeter = b*y / (2*y + b) for a rectangular channel (where y = depth and b = width), ands = slope of channel (m/m). Discharge Q = V*A = V*b*y. We cannot solve this…
Windows stores program settings in the Registry, a Windows internal database. You can use this to remember previous user choices and use them as defaults the next time. We typically remember window positions, file paths, and other settings with the Registry. These three commands work with items stored in the Registry: SaveSetting appname, section, key,…
1. The Application Keyword Use “Application” to refer to Excel, e.g.: Application.ActivePrinter Name of the Active Printer.Application.Name Name of the program running (“Microsoft Excel”).Application.Path The path from which the program is running. 2. ActiveControl Instead of the name of a specific control (e.g. txtEdit), you can use the keyword ActiveControl. This will let your program refer…
We had an earlier post, How to Use Objects, Collections, Properties, Events and Methods in Excel Visual Basic. There, we introduced the idea of Objects and Collections. We listed the most useful Objects, and Collections of Objects. Below we have more extensive diagrams, specifically for the Excel Object Model. It helps to understand the hierarchy:…
While you can pick these Shortcut Keys up from the menus in the Excel Visual Basic Editor, it is useful to have them all in one place. F1 Help on the highlighted itemF2 Object BrowserShift+F2 View Definition (Go to highlighted Sub or Function)F3 Repeat last FindF4 Display Properties WindowF5 Run / Continue RunF8 Single Step…
You can use Excel Visual Basic to read and write text files (Sequential and Random file access). But we will not touch on text files in this post. Rather, we will look at how to save and open Excel files using Excel code, plus a few valuable functions: The bigger examples below are in the…