转至繁体中文版     | 网站首页 | 图文教程 | 资源下载 | 站长博客 | 图片素材 | 武汉seo | 武汉网站优化 | 
最新公告:     敏韬网|教学资源学习资料永久免费分享站!  [mintao  2008年9月2日]        
您现在的位置: 学习笔记 >> 图文教程 >> 软件开发 >> VB.NET程序 >> 正文
使用VB在应用程序中注册热键         ★★★★

使用VB在应用程序中注册热键

作者:闵涛 文章来源:闵涛的学习笔记 点击数:624 更新时间:2009/4/23 15:44:32


''''窗体中
Option Explicit

Private Sub Form_Load()
Dim ret As Long
    ''''记录原来的window程序地址
    preWinProc = GetWindowLong(Me.hWnd, GWL_WNDPROC)
    ''''用自定义程序代替原来的window程序
    ret = SetWindowLong(Me.hWnd, GWL_WNDPROC, AddressOf wndproc)
    idHotKey = 1 ''''in the range &h0000 through &hBFFF
    Modifiers = MOD_ALT         ''''辅助键为Alt
    uVirtKey1 = vbKeyQ          ''''注册的热键为Alt+Q
    ''''注册热键
    ret = RegisterHotKey(Me.hWnd, idHotKey, Modifiers, uVirtKey1)
    If ret = 0 Then
        MsgBox "注册热键失败,请使用其它热键!", vbCritical, "错误"
    End If
End Sub

Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
Dim ret As Long
    ''''取消Message的截取,使之送往原来的window程序
    ret = SetWindowLong(Me.hWnd, GWL_WNDPROC, preWinProc)
    Call UnregisterHotKey(Me.hWnd, uVirtKey1)
End Sub

''''模块中

''''以下程序放在模块中
Option Explicit

Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long) As Long
Declare Function CallWindowProc Lib "user32" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal hWnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
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

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 preWinProc As Long
Public Modifiers As Long, uVirtKey1 As Long, idHotKey As Long

Private Type taLong
     ll As Long
End Type

Private Type t2Int
    lWord As Integer
    hword As Integer
End Type
   
Public Function wndproc(ByVal hWnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Dim lp As taLong, i2 As t2Int

    If Msg = WM_HOTKEY Then
        If wParam = idHotKey Then
            lp.ll = lParam
            LSet i2 = lp
            If (i2.lWord = Modifiers) And i2.hword = uVirtKey1 Then
                Form1.Visible = Not Form1.Visible
            End If
        End If
    End If
    ''''如果不是热键信息则调用原来的程序
    wndproc = CallWindowProc(preWinProc, hWnd, Msg, wParam, lParam)
End Function


没有相关教程
教程录入:mintao    责任编辑:mintao 
  • 上一篇教程:

  • 下一篇教程:
  • 【字体: 】【发表评论】【加入收藏】【告诉好友】【打印此文】【关闭窗口
      注:本站部分文章源于互联网,版权归原作者所有!如有侵权,请原作者与本站联系,本站将立即删除! 本站文章除特别注明外均可转载,但需注明出处! [MinTao学以致用网]
      网友评论:(只显示最新10条。评论内容只代表网友观点,与本站立场无关!)

    同类栏目
    · C语言系列  · VB.NET程序
    · JAVA开发  · Delphi程序
    · 脚本语言
    更多内容
    热门推荐 更多内容
  • 没有教程
  • 赞助链接
    更多内容
    闵涛博文 更多关于武汉SEO的内容
    500 - 内部服务器错误。

    500 - 内部服务器错误。

    您查找的资源存在问题,因而无法显示。

    | 设为首页 |加入收藏 | 联系站长 | 友情链接 | 版权申明 | 广告服务
    MinTao学以致用网

    Copyright @ 2007-2012 敏韬网(敏而好学,文韬武略--MinTao.Net)(学习笔记) Inc All Rights Reserved.
    闵涛 投放广告、内容合作请Q我! E_mail:admin@mintao.net(欢迎提供学习资源)

    站长:MinTao ICP备案号:鄂ICP备11006601号-18

    闵涛站盟:医药大全-武穴网A打造BCD……
    咸宁网络警察报警平台