Essential Visual Basic 6.0 Fast

ISBN-13: 9781852332075 / Angielski / Miękka / 1999 / 205 str.

John Cowell

Opis

Whether you are a professional programmer or a student, this book tells you everything you need to know to write professional applications for Windows using Visual Basic 6.0. Once you've read this book, you'll know all about: - The Visual Basic language - The standard Visual Basic controls - Handling control events -Using data aware controls - ActiveX controls - Writing web-based applications. Essential Visual Basic 6.0 - fast is designed for professional developers or students who need to learn the maximum in the minimum time and to develop applications fast.

Spis treści

Why Use Visual Basic 6?: Introduction; What Version of Visual Basic 6 do you need? What computer do you need to run Visual Basic 6? Why change to version 6? Is this book for you? How this book is organised; New features in version 6; Conventions.- The Visual Basic IDE: Introduction; Running Visual Basic; The project explorer; The design form; The toolbox; Adding ActiveX controls; The properties window; The form layout window; The menu bar and the tool bar; Finding elements of the IDE; Getting Help.- The Standard Toolbox Controls: Introduction; Adding controls to a Window; Selecting, moving and re-sizing controls; The Label Control; Changing the properties of a control; Common Properties; Properties of the Label control; Running an application; The TextBox control; Passwords; The PictureBox and Image control; The CheckBox, OptionButton and Frame controls The CommandButton control; Aligning controls.- Handling Events: Introduction; Displaying Pictures; Creating a new project; Creating the user Interface; Adding a new form; Adding a new control; Naming the controls; Handling events; The form load event handler; The option button event handlers; The command button event handlers; A quick way of making event procedures; Saving your application; Making an executable file.- Controlling Program Flow: Introduction; Adding comments; Spreading a statement over multiple lines; More than one statement to a line; The running application; The ComboBox control; Creating the application; Using the ComboBox control; Using If..Then..Else statements; Using the Select Case statements; The comparison operators; Looping; The While..Wend statement; The Do..Loop statement; The Do..Until statement; The For..Next statement.- Variables and Operators: Introduction; Naming conventions; Variable types; Declaring variables; Static variables; Variables scope; The Boolean data type; Data types representing integers; Data types representing floating point numbers The Date data type; The Object data type; The String data type; The Variant data type; The range of data types; Converting between data types; Rounding and truncating integers; Arithmetic operations; Arrays; Declaring arrays; Changing array dimensions; User-defined data types; The Erase statement.- Using ActiveX controls.- Forms and Dialogs: Introduction; The MsgBox statement and function; The button parameter; The helpfile and context parameters; Using returned values; The InputBox function; The Common dialog control; The File Open Dialog.- Mouse and Keyboard Events.- Functions Procedures and Classes.- Using Menus.- The Visual Data Manager: Introduction; The flight booking system; Creating a new database; Creating the Passenger table; Add data to the Passenger table; Creating the Flight table; One to many relationships; Running SQL statements; Recordsets; The Query Builder; The Data Form Designer; Running the application; Data aware controls.- The Data Form Wizard: Introduction; Running the Data Forms Wizard; Choosing the Database; Choosing the format; Setting the master record set; Setting the detail record source; Connecting the data sources; Selecting the controls; The completed application; How flexible is the Data Form Wizard?- ADO and Data Bound Controls: Introduction; ActiveX Data Objects; Data Controls; ODBC providers; Creating a DSN; Using the ADO Data Control; Properties of the ADO data control; ADO Data control events.- ADO Data Control Events: Introduction; The Recordset object; Methods of the Recordset Object; Events of the ADO Data control.- Data Aware Controls.- ActiveX Controls.- Internet Applications.- Creating ActiveX Controls.- Adding Help to an Application.- Index.