请问怎样用sendmessage函数向VSCROLL滚动条控件发送滚动的消息? 窗体上有一COMMAND控件,我想单击时模仿VSCROLL的PAGEUP,PAGEDOWN事件,请问怎么用? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 Private Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As LongPrivate Const WM_HSCROLL = &H114Private Const WM_VSCROLL = &H115Private Const SB_LINEUP = 0Private Const SB_LINEDOWN = 1Private Const SB_LINERIGHT = 1Private Const SB_LINELEFT = 0Private Const SB_PAGEDOWN = 3Private Const SB_PAGEUP = 2Call PostMessage(Me.hwnd, WM_HSCROLL, SB_PAGEUP, VScroll1.hwnd) '向上一页Call PostMessage(Me.hwnd, WM_HSCROLL, SB_PAGEDOWN, VScroll1.hwnd) '向下一页Call PostMessage(Me.hwnd, WM_HSCROLL, SB_LINEUP, VScroll1.hwnd) '向上一行Call PostMessage(Me.hwnd, WM_HSCROLL, SB_LINEDOWN, VScroll1.hwnd) '向下一行 滚动多行文本框的例子:Call PostMessage(Text1.hwnd, WM_VSCROLL, SB_LINEDOWN, ByVal 0&) 怎样去除U盘中的虚拟光驱? 为什么使用RichtextBox读取文本文件时文字不对齐 还是老问题啊!在ADO中FIND问题 菜菜的鸟提问,关于打印~ 后台运行和键盘钩子 如何改变vb生成.exe文件的图标。 怎么把其它控件加到Ttabstrip中去?且其中一选项卡中无控件 如何实现程序的自销毁 VB程序如何防拷贝 各位老大,有一个MM问我,可惜我不会,帮忙解决吧! 冰天雪地裸求:二维条形码控件!!!!! 关于PrintForm的问题
Private Const WM_HSCROLL = &H114
Private Const WM_VSCROLL = &H115
Private Const SB_LINEUP = 0
Private Const SB_LINEDOWN = 1
Private Const SB_LINERIGHT = 1
Private Const SB_LINELEFT = 0
Private Const SB_PAGEDOWN = 3
Private Const SB_PAGEUP = 2
Call PostMessage(Me.hwnd, WM_HSCROLL, SB_PAGEUP, VScroll1.hwnd) '向上一页
Call PostMessage(Me.hwnd, WM_HSCROLL, SB_PAGEDOWN, VScroll1.hwnd) '向下一页
Call PostMessage(Me.hwnd, WM_HSCROLL, SB_LINEUP, VScroll1.hwnd) '向上一行
Call PostMessage(Me.hwnd, WM_HSCROLL, SB_LINEDOWN, VScroll1.hwnd) '向下一行
Call PostMessage(Text1.hwnd, WM_VSCROLL, SB_LINEDOWN, ByVal 0&)