general.bas

一个VB编写的校园即时广播系统,具有简单的定时广播性能

Attribute VB_Name = "General"
Option Explicit
Declare Function AnimateWindow Lib "user32" (ByVal hwnd As Long, ByVal dwTime As Long, ByVal dwFlags As Long) As Boolean
Declare Function PeekMessage Lib "user32" Alias "PeekMessageA" (lpMsg As Msg, ByVal hwnd As Long, ByVal wMsgFilterMin As Long, ByVal wMsgFilterMax As Long, ByVal wRemoveMsg As Long) As Long
Declare Function WaitMessage Lib "user32" () As Long
Declare Function ChooseColor Lib "comdlg32.dll" Alias "ChooseColorA" (pChoosecolor As ChooseColor) As Long
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)
Declare Function RegCloseKey Lib "advapi32.dll" (ByVal Hkey As Long) As Long
Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" (ByVal Hkey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Declare Function RegDeleteKey Lib "advapi32.dll" Alias "RegDeleteKeyA" (ByVal Hkey As Long, ByVal lpSubKey As String) As Long
Declare Function RegDeleteValue Lib "advapi32.dll" Alias "RegDeleteValueA" (ByVal Hkey As Long, ByVal lpValueName As String) As Long
Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal Hkey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Declare Function RegQueryValueEx Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal Hkey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, lpData As Any, lpcbData As Long) As Long
Declare Function RegSetValueEx Lib "advapi32.dll" Alias "RegSetValueExA" (ByVal Hkey As Long, ByVal lpValueName As String, ByVal Reserved As Long, ByVal dwType As Long, lpData As Any, ByVal cbData As Long) As Long
Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Declare Function GetOpenFileName Lib "comdlg32.dll" Alias "GetOpenFileNameA" (pOpenfilename As OPENFILENAME) As Long
Declare Function GetSaveFileName Lib "comdlg32.dll" Alias "GetSaveFileNameA" (pOpenfilename As OPENFILENAME) As Long
Declare Function GetWindowsDirectory Lib "kernel32" Alias "GetWindowsDirectoryA" (ByVal lpBuffer As String, ByVal nSize As Long) As Long
Declare Function Shell_NotifyIcon Lib "shell32" Alias "Shell_NotifyIconA" (ByVal dwMessage As Long, pnid As NOTIFYICONDATA) As Boolean
Declare Function RegisterHotKey Lib "user32" (ByVal hwnd As Long, ByVal id As Long, ByVal fsModifiers As Long, ByVal vk As Long) As Long
Declare Function UnregisterHotKey Lib "user32" (ByVal hwnd As Long, ByVal id As Long) As Long

Type NOTIFYICONDATA
    cbSize As Long
    hwnd As Long
    uId As Long
    uFlags As Long
    ucallbackMessage As Long
    hIcon As Long
    szTip As String * 64
End Type
Public WinPath As String

Type OPENFILENAME
    lStructSize As Long
    hwndOwner As Long
    hInstance As Long
    lpstrFilter As String
    lpstrCustomFilter As String
    nMaxCustFilter As Long
    nFilterIndex As Long
    lpstrFile As String
    nMaxFile As Long
    lpstrFileTitle As String
    nMaxFileTitle As Long
    lpstrInitialDir As String
    lpstrTitle As String
    flags As Long
    nFileOffset As Integer
    nFileExtension As Integer
    lpstrDefExt As String
    lCustData As Long
    lpfnHook As Long
    lpTemplateName As String
End Type
Type POINTAPI
    X As Long
    Y As Long
End Type

Type Msg
    hwnd As Long
    Message As Long
    wParam As Long
    lParam As Long
    time As Long
    pt As POINTAPI
End Type
Type ChooseColor
     lStructSize As Long
     hwndOwner As Long
     hInstance As Long
     rgbResult As Long
     lpCustColors As String
     flags As Long
     lCustData As Long
     lpfnHook As Long
     lpTemplateName As String
End Type


Public Const WM_HOTKEY = &H312
Public Const MOD_ALT = &H1
Public Const MOD_CONTROL = &H2
Public Const MOD_SHIFT = &H4
Public Const GWL_WNDPROC = (-4)

Public Const NIM_ADD = &H0
Public Const NIM_MODIFY = &H1
Public Const NIM_DELETE = &H2
Public Const WM_MOUSEMOVE = &H200
Public Const NIF_MESSAGE = &H1
Public Const NIF_ICON = &H2
Public Const NIF_TIP = &H4
Public Const PM_REMOVE = &H1
Public Const HKEY_CLASSES_ROOT = &H80000000
Public Const HKEY_CURRENT_USER = &H80000001
Public Const HKEY_LOCAL_MACHINE = &H80000002
Public Const HKEY_USERS = &H80000003
Public Const HKEY_PERFORMANCE_DATA = &H80000004
Public Const ERROR_SUCCESS = 0&
Public Const REG_SZ = 1                         ' Unicode nul terminated string
Public Const REG_DWORD = 4                      ' 32-bit number
Public Const EM_LINESCROLL = &HB6F
Public Const EM_GETLINECOUNT = &HBA
Public Const LB_ITEMFROMPOINT = &H1A9
'Public Const WM_PASTE = &H302
'Public Const WM_COPY = &H301
Public Sub savekey(Hkey As Long, strPath As String)
Dim keyhand&
RegCreateKey Hkey, strPath, keyhand&
RegCloseKey keyhand&
End Sub


Public Function Getwin(temp As Boolean)
Getwin = Environ("Windir")
If temp = True Then
If Dir(Getwin & "\Temp", vbDirectory) = "" Then
MkDir (Getwin & "\Temp")
End If
Getwin = Getwin & "\Temp"
End If
End Function

Public Function getstring(Hkey As Long, strPath As String, strValue As String)
Dim keyhand As Long
Dim datatype As Long
Dim lResult As Long
Dim Strbuf As String
Dim lDataBufSize As Long
Dim intZeroPos As Integer
Dim lValueType As Long
Dim r As Long
r = RegOpenKey(Hkey, strPath, keyhand)
lResult = RegQueryValueEx(keyhand, strValue, 0&, lValueType, ByVal 0&, lDataBufSize)
If lValueType = REG_SZ Then
    Strbuf = String(lDataBufSize, " ")
    lResult = RegQueryValueEx(keyhand, strValue, 0&, 0&, ByVal Strbuf, lDataBufSize)
    If lResult = ERROR_SUCCESS Then
        intZeroPos = InStr(Strbuf, Chr$(0))
        If intZeroPos > 0 Then
            getstring = Left$(Strbuf, intZeroPos - 1)
        Else
            getstring = Strbuf
        End If
    End If
End If
End Function

Public Sub savestring(Hkey As Long, strPath As String, strValue As String, strdata As String)
Dim keyhand As Long
Dim r As Long
r = RegCreateKey(Hkey, strPath, keyhand)
r = RegSetValueEx(keyhand, strValue, 0, REG_SZ, ByVal strdata, Len(strdata))
r = RegCloseKey(keyhand)
End Sub

Public Function DeleteKey(ByVal Hkey As Long, ByVal strKey As String)
Dim r As Long
r = RegDeleteKey(Hkey, strKey)
End Function

Public Function DeleteValue(ByVal Hkey As Long, ByVal strPath As String, ByVal strValue As String)
Dim keyhand As Long
Dim r As Integer
r = RegOpenKey(Hkey, strPath, keyhand)
r = RegDeleteValue(keyhand, strValue)
r = RegCloseKey(keyhand)
End Function

Public Function SavePath()
Dim SPath As String
If Len(App.Path) = 3 Then SPath = App.Path Else SPath = App.Path & "\"
SavePath = SPath
End Function