[VBnet Code Library] Helper Routines

	Helper Routines Updated Monday December 26, 2011
Category	Topic
Arrays vb6 vb5 vb4-32	Pure VB: Determine if an Array has been Dimensioned Wrapper routine that returns True if an array has already been allocated using Dim or ReDim. June 3.1999 CopyMemory: Determining Array Initialization State and Dimensions Routine that returns the number of dimensions in the passed array. July 29.1999 Pure VB: Determine the Selected Button in a Option Button Control Array Pass any option button control array, and receive the selected option button index. Dec 7.2003

Controls vb6 vb5 vb4-32	Pure VB: Centre a Label Within a Container Tiny routine to vertically and horizontally centre a Multiline label within a form or container control. Feb 12.2000 Pure VB: Determine if a Control is a Member of a Control Array ... and without requiring any error trapping! Jan 15.2003 StrPtr: Differentiate Between Cancel, OK and No Value in an InputBox Newbie alert! Newbie alert!. Aug 15.2002

Date/Time vb6 vb5 vb4-32	Pure VB: Methods to Determine the Last Day of the Month Contributors provide a variety of methods to determine the last date of a month. Mar 23.2002 Pure VB: Methods to Determine Number of Days in a Month Contributors provide a variety of methods to determine number of days is a specified month. Mar 23.2002 Pure VB: Determining Leap Years Just like the title says! Mar 23.2002 Pure VB: Fill a Combo with Specified Time Intervals How to fill combos with a day of specific time intervals Jan 14.2003 GetLocaleInfo: Get the System's Long Date Format Quick method to retrieve just the current long date format. Sept 25.2000 GetLocaleInfo: Get the System's Short Date Format Quick method to retrieve just the current short date format. Sept 25.2000 VarMonthName: Retrieve Localized Month Names Handy method to generate a list of months specific to the locale Oct 1.2001 VarWeekdayName: Retrieve Localized Weekday Names Handy method to generate a list of weekdays specific to the locale Oct 1.2001

Environment vb6 vb5 vb4-32	Pure VB: Determine if App is Running in the IDE Matt Curland's method to determine if a VB6 application is running in the IDE. Mar 23.2001

Files vb6 vb5 vb4-32	StrFormatByteSize: Convert Numbers to Strings Expressed as Size Values Pass numeric value, return string representing size in bytes, kb, mb or gb. Mar 3.2003

Fonts vb6 vb5 vb4-32	CreateScalableFontResource: Friendly TrueType Font File Name Cheat a bit and get the real name for any TrueType file on the disk.

Fractions vb6 vb5 vb4-32	Pure VB: Converting Numbers to Fractions Pass a value, get the value back as a fractional representation. Mar 24.2002

IDE vb6 vb5 vb4-32	Pure VB: Determine if App is Running in the IDE Matt Curland's method to determine if a VB6 application is running in the IDE. Mar 23.2001

OS and OS Features vb6 vb5 vb4-32	GetVersionEx: Windows Version Info (Wrapper Routines) FREQUENTLY UPDATED! A set of version wrapper functions that return True if the OS matches the desired type. Now identifies Win95-Win2003 Server, Longhorn Server, and Vista, as well as various Vista versions and software suites (e.g. BackOffice, Small Business Server etc.). Posted Aug 14.1999 Last updated Apr 15.2008 IsOs: Windows OS and OS Features Info Determining specific Windows OS versions and OS features without using GetVersionEx Aug 20.2008

Numbers vb6 vb5 vb4-32	Pure VB: Converting Numbers to Fractions Pass a value, get the value back as a fractional representation. Mar 24.2002 Pure VB: Converting Numbers to Roman Numerals (and Back) How to convert Arabic values to Roman Numeral representation, and back. Mar 23, 2002 Pure VB: Generating a Random Array of Unique Numbers Routine to randomize an array of unique numbers of any size. Oct 18.1999 Pure VB: Preventing Duplicates in a Random Number Array Routine to create a random array of unique numbers of any size. Jan 30.2006 Pure VB: Handy Functions for Working with Numbers A handy numeric functions to assist in your app. Apr 12.2000 Updated Feb 16.2003 Pure VB: Handy Macros to Convert Numeric Data Types Wrappers to convert between various numeric data types. Updated Nov 28.1999 CopyMemory: Handy Macros to Convert Between Signed and Unsigned Integers Convert between signed and unsigned Words (Integers) Mar 3.2003 Pure VB: Determine the Number of Digits in a Number A one-line routine that returns the number of digits in a passed numeric value. Oct 3.1999 Pure VB: Implementing a Number-To-Text Conversion Function Writing a cheque-book application? Here's a multi-option number-to-text routine. Aug 20.1999

Strings vb6 vb5 vb4-32	Pure VB: Converting Numbers to Roman Numerals (and Back) How to convert Arabic values to Roman Numeral representation, and back. Mar 23.2002 Pure VB: Implementing a Number-To-Text Conversion Function A multi-option number-to-text routine. August 20, 1999

Temperature vb6 vb5 vb4-32	Pure VB: Temperature Conversion Routines Project to calculate Celsius, Fahrenheit and Kelvin temperatures from entered values. Mar 24.2002

User-Defined Types (UDT) vb6 vb5 vb4-32	CopyMemory: How to Copy a Private UDT Between Forms Demo showing how to pass a UDT to methods that normally can't receive a UDT as a parameter. Jun 7.2001

Version Info vb6 vb5 vb4-32	GetVersionEx: Windows Version Info (Wrapper Routines) FREQUENTLY UPDATED! A set of version wrapper functions that return True if the OS matches the desired type. Now identifies Win95-Win2003 Server, Longhorn Server, and Vista, as well as various Vista versions and software suites (e.g. BackOffice, Small Business Server etc.). Posted Aug 14.1999 Last updated Apr 15.2008 GetFileVersionInfo: Handy Routines for Identifying Shell32 Versions A function that returns True if the Shell32.dll version is equal to or later than the desired type. Jan 14.2003 IsOs: Windows OS and OS Features Info Determining specific Windows OS versions and OS features without using GetVersionEx. Aug 20.2008

Windows & Forms vb6 vb5 vb4-32	SetWindowPos: How to Create a 'Splash Screen' in Visual Basic Adding and calling a start-up splash screen that does double duty as an about screen. July 30.1999 SetWindowPlacement: Restore and Activate a Window via its hWnd Use the APIs to restore any window on-screen. July 17.1999 ClipCursor: Restrict the Mouse to a Form's Client Area How to prevent the cursor from moving outside the form's client area. Feb 12.2000