Private Declare Function WindowFromPoint Lib "user32" Alias "WindowFromPoint" (ByVal xPoint As Long, ByVal yPoint As Long) As Long
Private Declare Function GetCursorPos Lib "user32" Alias "GetCursorPos" (lpPoint As POINTAPI) As Long
Private Declare Function GetClassName Lib "user32" Alias "GetClassNameA" (ByVal hwnd As Long, ByVal lpClassName As String, ByVal nMaxCount As Long) As Long
Private Type POINTAPI
X As Long
Y As Long
End Type
Sub Form_Load()
Timer1.Interval = 1
End Sub
Sub Timer1_Timer()
Static OldHWnd As Long
Dim NewHWnd As Long
Dim Point As POINTAPI
Dim lClass As Long, sClass As String
GetCursorPos Point
DoEvents
NewHWnd = WindowFromPoint(Point.X, Point.Y)
DoEvents
If NewHWnd <> OldHWnd Then
sClass = Space(256)
lClass = GetClassName(NewHWnd, sClass, 256)
Text1.Text = "hWnd = " & NewHWnd & Space(5) & "ClassName = " & Left$(sClass, lClass) & vbCrLf: OldHWnd = NewHWnd
End If
DoEvents
End Sub
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