Option Explicit '窗体靠窗自动收缩隐藏
Private Declare Function GetCursorPos Lib "user32" (lpPoint As POINTAPI) As Long
Private Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Private Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal X As Long, ByVal Y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Private Type POINTAPI
X As Long
Y As Long
End Type
Private Const HWND_TOPMOST = -1
Private Const SWP_NOSIZE = &H1
Private Const SWP_NOMOVE = &H2
Private Const HWND_TOP = 0
Private Const SWP_NOACTIVATE = &H10
Private Const SWP_SHOWWINDOW = &H40
Private Sub Form_Load()
'窗体放在最前面
SetWindowPos Me.hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_SHOWWINDOW Or SWP_NOMOVE Or SWP_NOSIZE
End Sub
Private Sub Timer1_Timer()
Dim p As POINTAPI, f As RECT
'检查窗体大小化状态
If Me.WindowState <> 0 Then Exit Sub
'得到MOUSE位置
GetCursorPos p
'得到窗体的位置
GetWindowRect Me.hwnd, f
'检查 MOUSE 在窗体上
If p.X > f.Left And p.X < f.Right And p.Y > f.Top And p.Y < f.Bottom Then
If Me.Top < 0 Then
Me.Top = -10
Me.Show
ElseIf Me.Left < 0 Then
Me.Left = -10
Me.Show
ElseIf Me.Left + Me.Width >= Screen.Width Then
Me.Left = Screen.Width - Me.Width + 10
Me.Show
End If
Else
If f.Top <= 4 Then
Me.Top = 40 - Me.Height
ElseIf f.Left <= 4 Then
Me.Left = 40 - Me.Width
ElseIf Me.Left + Me.Width >= Screen.Width - 4 Then
Me.Left = Screen.Width - 40
End If
End If
End Sub
更好的另一种方法
Private Declare Function GetCursorPos Lib "user32" (lpPoint As POINTAPI) As Long
Private Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Private Declare Function SetWindowPos Lib "user32" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
Private Type POINTAPI
x As Long
y As Long
End Type
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Private Sub Timer1_Timer()
Dim p As POINTAPI
Dim f As RECT
GetCursorPos p '得到MOUSE位置
GetWindowRect Me.hwnd, f '得到窗体的位置
If Me.WindowState <> 1 Then
If p.x > f.Left And p.x < f.Right And p.y > f.Top And p.y < f.Bottom Then
'MOUSE 在窗体上
If Me.Top < 0 Then
Me.Top = -10
Me.Show
ElseIf Me.Left < 0 Then
Me.Left = -10
Me.Show
ElseIf Me.Left + Me.Width >= Screen.Width Then
Me.Left = Screen.Width - Me.Width + 10
Me.Show
End If
Else
If f.Top <= 4 Then
Me.Top = 40 - Me.Height
ElseIf f.Left <= 4 Then
Me.Left = 40 - Me.Width
ElseIf Me.Left + Me.Width >= Screen.Width - 4 Then
Me.Left = Screen.Width - 40
End If
End If
End If
End Sub