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API Dictionary - Search API, Constants, Types, Sub, Functions

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Library : kernel32.dll  Category : Memory


Api Example(s)
  Manufacture a Missing value
  Quick comparison among UDTs
  Swap strings the fast way
  The number of dimensions of an array
  Determine maximum size and the position of a maximized form
  Prevent dragging elements in a ListView control
  Storing objects in the Tag property
  Caveats of the CopyMemory API function
  HiWord - The most significant word in a Long value
  LowWord - The least significant word of a Long value.
  MK? And CV? - Convert numbers to strings and back
  EncryptString - Encode and decode a string
  ReplaceChar - A faster version of VB6's Replace function, for single-char replacements
  GetArrayInfo - Retreive number of dimensions and the SAFEARRAY memory structure
  RLECompress - Compress a block of memory using RLE algorithm
  GetFilesInfo - Read all the information about all the files or subdires in a given path
  ListBoxItemFromPoint - The index of a ListBox item at given coordinates
  ListBoxSelectRange - Select or unselect a range of elements in a ListBox
  HashTable - a class module for storing (key,value) pairs
  ObjFromPtr - Return an object from its pointer
  CLSIDToProgID - Convert a CLSID into a ProgID
  ProgIDToCLSID - Convert a ProgID into a CLSID
  PrintRotatedText - Display a rotated message
  HashTable - a class module for storing (key,value) pairs
  StringBuilder Class. Very efficient way to append string
  RotateBitmap - Rotate a 256-color bitmap by any angle
  RotatePicture - Rotate a 256-color bitmap by any angle (super-optimized version)
  SwapColors - Swap any two colors in a 256-color bitmap
  SwapColorsArray - Swap all the colors in a 256-color bitmap
  EnumRegistryValues - Retrieve all values under a Registry key
  EnumRegistryValuesEx - Get all values under a registry key, with related data and type
  Unmanaged Memory Allocations
  GetProcessModules - The list of DLLs and OCXes a process uses
  GetRegistryValue - Read the value of a Registry key
  Peek - Read a value of any type from memory
  PeekB, PeekI, PeekL - Read a byte, integer or long from memory
  Poke - Write a value of any type into memory
  Poke - Write a value of any type into memory
  PokeB, PokeI, PokeL - Write a byte, integer or long value into memory
  StringFromAddr - Read a string at a given address
  StringFromBSTR - Convert a BSTR to a VB string
  GetPDCName - The name of the Primary Domain Controller
  MSD RadixSort - An algorithm that can achieve O(N) behavior
  CSocket class - replacement for the MS Winsock Control
  How to sort items on the fly as they are added in a ListView using SubClassing
  Determines the file version number of an executable file
  Using the Find and Replace Common Dialogs
  Creating Drop-Shadows
  Text At Any Angle
  Getting the Correct Filename for a Shortcut
  Registering File Associations and Passing Command Line Parameters to an Existing App Instance
  Subclassing Without The Crashes
  Drawing Buttons, Option Boxes and Check Boxes In Your Own Style
  Subclassing and Hooking with Machine Code Thunks
  Forcing Any Window to Show in the Taskbar
  S-Grid 2.0 Features
  vbAccelerator MDITabs Control
  Texturising Images
  Counting Colours in an Image
  Gamma Correction
  Compositing Operations
  Brightness and Contrast
  Totalistic Cellular Automata
  True Colour DIBSection
  Alpha DIBSections
  GDI+ Wrapper
  Streaming .WAV File Player
  A Fast Index-Based Collection
  StringBuilder Class for VB
  Dealing with Circular References
  Storing Objects Against ItemData and Tag properties
  SendKeys using the API
  Convert a Character Code to a string describing the Keyboard Keys which must be pressed
  Get System Display Fonts and Non-Client Area Sizes
  Read A Custom Clipboard Format
  Setting Custom Paper Size using Printer API
  Get IP from Host Name.
  Use CopyMemory api for performance.
  279815 - How To Validate User Credentials from Visual Basic by ...
  How to perform Direct Read/Write to disk (low level I/O)
  How to retrive and change system's short/long date format
  How To Print Using Custom Page Sizes on Windows NT and Windows 2000
  How to get information of all installed IP's on current system.
  Handling NTFS Permissions Part -1 (handling kernel object permissions)
  Handling NTFS Permissions Part-2 (handling user object permissions)
  Handling NTFS Permissions Part-3 (handling shared resource permissions)
  Handling NTFS Permissions Part-4 (handling registry key permissions)
  Handling NTFS Permissions Part-5 (handling printer permissions)
  Retrive and set Auxiliary devices volume info.
  Working with AVI Files - Part 3 (Working With Frames, AVI to BMP)
  How To Call CLSID And ProgID Related COM APIs in Visual Basic
  How to Write Multiple String to Windows NT EventLog ?
  Working with NT EventLog - Part 2 (Implementing CEventLog Class, Creating Event Source)
  Working with NT EventLog - Part 3 (Implementing CEventLog Class, Writing to EventLog)
  Working with LZ (Lempel-Ziv) compression APIs
  How to change printer port using API ?
  Update/Delete Bitmap and String resource using API at runtime
  How to play AVI file stored into resource file without saving on disk
  Working with Resource file
  Working with Meta Files (EMF,WMF and APM)
  Extract and Play individual record stored in WMF/EMF file
  How to retrive IP Configuration of local machine (just like ipconfig.exe)
  How to renew/release DHCP lease of a selected interface ?
  Enumerate local/global groups, Enumerate users and user membership in all groups
  How to retrive and delete all internet cache entries?
  CBalloonToolTipNotify: Class for System tray icon, Balloon tooltip, simple tooltip and Popup menu
  How to detect or block system wide keypress event (using subclassing)?
  Tip: How to display all environment variables
  Print Dialogbox without using Common Dialogbox ActiveX control

API Description :
The CopyMemory function copies a block of memory from one location to another.


VB Declaration :

Show Multiline        Public  Private

Parameters :
Return :
OS Requirement :
Requires Windows NT 3.1 or later
Requires Windows 95 or later
Dotnet Replacement :

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