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APIGID32.BAS Documentation

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Overview

This is a Visual Basic (VB) module named APIGID32.BAS that provides a set of functions and declarations for working with the Windows API.

Declarations

Public Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
Public Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Public Declare Function GetWindowText Lib "user32" Alias "GetWindowTextA" (ByVal hwnd As Long, ByVal lpString As String, ByVal cch As Long) As Long
Public Declare Function SetWindowText Lib "user32" Alias "SetWindowTextA" (ByVal hwnd As Long, ByVal lpString As String) As Long

Functions

GetWindowLong: Retrieves the value of a specified 32-bit integer property from the window.
SetWindowLong: Sets the value of a specified 32-bit integer property for the window.
GetWindowText: Retrieves the title bar text of the specified window.
SetWindowText: Sets the title bar text of the specified window.

Constants

GWL_STYLE: Retrieves the window style.
GWL_EXSTYLE: Retrieves the extended window style.
GWLP_HWNDPARENT: Retrieves the handle to the parent window.
GWLP_ID: Retrieves the identifier of the window.

Notes

This module is intended for use in a VB application that requires interaction with the Windows API. The functions and declarations provided in this module can be used to manipulate window properties and retrieve information about windows.

Example Usage

Dim hwnd As Long
Dim style As Long

hwnd = GetWindowLong(Me.hwnd, GWL_STYLE)
style = hwnd And &HFFFF0000
If style = &H10000000 Then
    ' Window is minimized
Else
    ' Window is not minimized
End If

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