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Tip of the Day
Language: VB4/32, VB5, VB6
Expertise: Beginner
May 28, 2003

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


Stop the Flickering

This code stops the annoying flicker often seen when you pack an object with data. Test this code with the controls that bother you most:

Private Declare Function SendMessage Lib "user32" _
	Alias "SendMessageA" (ByVal hWnd As Long, _
	ByVal wMsg As Long, ByVal wParam As Long, _
	lParam As Any) As Long
Private Const WM_SETREDRAW = &HB

Public Function LockControl(objX As Object, _
	ByVal bLock As Boolean)
	Call SendMessage(objX.hWnd, WM_SETREDRAW, _
		bLock, ByVal 0&)
	If bLock = False Then 
		On Error Resume Next
		objX.Refresh
	End If
End Function
Andre Beneke
 
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