![]() ![]() Unless you include Option Explicit in a VB module, you don't need to declare variables prior to using them. It's still poor programming practice but at least they'll be identified as global variables whenever you use them ) As a workaround, consider making a class called Global and declaring your global variables as static public variables in that class, and then referring to them as Global.VariableName in your project. There is no such thing as a project-wide global variable in Gambas. Passing arguments by reference is now possible in the development version. Also, the contents of object datatypes (array types, collections, objects) are always passed by reference in both languages! Note that VB passes parameters by reference if you do not use its ByVal keyword, so be careful when you try to port a VB project. They cannot be passed by reference as in Visual Basic. In Gambas, simple datatypes (integer, string, etc.) are passed by value to procedures and functions. You can't edit code in Break mode in Gambas you need to end program execution first. Note that Gambas behavior is more logical :-). Read the documentation carefully for more details. For example, Str$ and Val use the localization settings in Gambas, whereas they don't in Visual Basic. You can change this by going into the Project Properties dialog and checking the Make form controls public checkbox. Screen measurements in VB are done in "twips", units of 1/1440 of an inch in Gambas they're done in actual pixels.įorm controls in Gambas programs are private by default. VB can have multiple project files in each directory and can pull the same source file from a different directory into different projects, which has its benefits and disadvantages. project file in it, and all of the files in that directory. ![]() Gambas projects are defined as a directory with a. ![]() project, one per directory)Īny other file stored in the project directory. VB embeds the class code for each form object into the same file as the form definition. The symbol %vb% will sometimes appear on a page in this documentation to indicate that there are notes available on how using the feature described on that page differs from accomplishing the same task in VB, to help those programmers who may be migrating to Gambas from that language. There are probably more similarities than differences, but you can't simply copy your VB projects over and expect them to compile under Gambas. While Gambas is not intended to be a clone of Microsoft Visual Basic, it's still BASIC and there are many similarities between the two languages, and many one-to-one relationships between features. ![]()
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