by Waty Thierry (60 Submissions)
Category: Custom Controls/Forms/Menus
Compatability: Visual Basic 4.0 (32-bit)
Difficulty: Unknown Difficulty
Originally Published: Tue 30th March 1999
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Force an area to repaint
API Declarations
' * Programmer Name : Waty Thierry
' * Web Site : www.geocities.com/ResearchTriangle/6311/
' * E-Mail : [email protected]
' * Date : 13/10/98
' * Time : 10:24
' * Module Name : Form_Module
' * Module Filename : Form.bas
' **********************************************************************
' * Comments : Force an area to repaint
' *
' **********************************************************************
Private Type POINTAPI
x As Long
y As Long
End Type
Private Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Private Declare Function GetClientRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Private Declare Function InvalidateRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT, ByVal bErase As Long) As Long
Private Declare Function ScreenToClient Lib "user32" (ByVal hwnd As Long, lpPoint As POINTAPI) As Long
VBcoders
' * Programmer Name : Waty Thierry
' * Web Site : www.geocities.com/ResearchTriangle/6311/
' * E-Mail : [email protected]
' * Date : 13/10/98
' * Time : 10:24
' * Module Name : Form_Module
' * Module Filename : Form.bas
' **********************************************************************
' * Comments : Force an area to repaint
' *
' **********************************************************************
Public Sub RepaintWindow(ByRef objThis As Object, Optional ByVal bClientAreaOnly As Boolean = True)
' * Programmer Name : Waty Thierry
' * Web Site : www.geocities.com/ResearchTriangle/6311/
' * E-Mail : [email protected]
' * Date : 30/11/98
' * Time : 14:06
' * Module Name : GDI_Module
' * Module Filename : GDI.BAS
' * Procedure Name : RepaintWindow
' * Parameters :
' * ByRef objThis As Object
' * Optional ByVal bClientAreaOnly As Boolean = True
' **********************************************************************
' * Comments : Force an area of a Window to Repaint
' *
' *
' **********************************************************************
Dim tR As RECT
Dim tP As POINTAPI
If (bClientAreaOnly) Then
GetClientRect objThis.hwnd, tR
Else
GetWindowRect objThis.hwnd, tR
tP.x = tR.Left: tP.y = tR.Top
ScreenToClient objThis.hwnd, tP
tR.Left = tP.x: tR.Top = tP.y
tP.x = tR.Right: tP.y = tR.Bottom
ScreenToClient objThis.hwnd, tP
tR.Right = tP.x: tR.Bottom = tP.y
End If
InvalidateRect objThis.hwnd, tR, 1
End Sub
