modalwaysontop.bas

地理信息系统工程案例精选程序,本书所有案例均需要单独配置

Attribute VB_Name = "modAlwaysOnTop"
Option Explicit

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

Public Const SWP_NOMOVE = &H2
Public Const SWP_NOSIZE = &H1
Public Const SWP_SHOWWINDOW = &H40
Public Const SWP_NOACTIVATE = &H10
Public Const HWND_TOPMOST = -1
Public Const HWND_NOTOPMOST = -2
Public Sub FormOnTop(Handle As Long, OnTop As Boolean)
Exit Sub
Dim wFlags As Long, PosFlag As Long
wFlags = SWP_NOMOVE Or SWP_NOSIZE Or _
SWP_SHOWWINDOW Or SWP_NOACTIVATE
Select Case OnTop
Case True
PosFlag = HWND_TOPMOST
Case False
PosFlag = HWND_NOTOPMOST
End Select
SetWindowPos Handle, PosFlag, 0, 0, 0, 0, wFlags
End Sub