易截截图软件、单文件、免安装、纯绿色、仅160KB

vb移动窗体的代码

Option Explicit
Private Declare Function ReleaseCapture Lib "user32" () As Long
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Long) As Long
Const HTCAPTION = 2
Const WM_NCLBUTTONDOWN = &HA1
Private Sub Form_MouseDown(Button As Integer, Shift As Integer, x As Single, Y As Single)
    If Button = 1 Then ' Checking for Left Button only
        Dim ReturnVal As Long
        x = ReleaseCapture()
        ReturnVal = SendMessage(hwnd, WM_NCLBUTTONDOWN, HTCAPTION, 0)
    End If
End Sub
Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
    If Button And vbLeftButton Then
        mX = X: mY = Y
    End If
End Sub
 
Private Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
    If Button And vbLeftButton Then
        Me.Move Me.Left - mX + X, Me.Top - mY + Y
    End If
End Sub


相关文档:

vb使用open方法读写文件

 
vb使用open方法读写文件
(一)打开和关闭文件
  1、顺序文件
  打开顺序文件,我们可以使用Open语句。它的格式如下:

Open pathname For [Input |Output |Append] As [#]filenumber [Len = buffersize]
  说明:
  (1)参数pathname 表示要打开的文件名,文件名可以包含有驱动器和目 ......

BarCode 算法 VB类库 2

 
Option Explicit
Public Function ascii2Char(strInput As String) As String
Dim i As Integer
Dim strTemp As String
Dim nPos As Integer
Dim nValue As Integer
i = 1
nPos = InStr(i, strInput, "&#", vbTextCompare)
While (nPos > 0)
    ascii2Char = ascii2Char + Left(st ......

VB程序中使用脚本支持

 正在开发小秘书系统并不断提高其智能水平,其中用到的是脚本支持的技术
虽然这部分不属于初学者使用,然而有些人想学这个东东,这里就发~~~布出去吧!
新建一个标准exe工程(Standard EXE);
"工程"(Project)-->"部件"(Components)
选定"Microsoft Script Control 1.0" ,位置是C:\WINDOWS\system32\msscript.ocx
添 ......

转VB 字符串处理函数集 收藏

 

VB 字符串处理函数集

收藏



mid(字符串,从第几个开始,长度)
  在[字符串]中[从第几个开始]取出[长度个字符串] 
例如 mid("小欣无敌",1,3) 则返回 "小欣无" 
instr(从第几个开始,字符串1,字符串2)
从规定的位置开始查找 ......

VB显示网页源码或内容

 http://blog.donews.com/sloo/archive/2006/01/29/711269.aspx
1.用Microsoft Internet Transfer Control 控件(在部件中添加),代码非常简单,如下(在form上添加一个Inet1和Text1和Command1):
Private Sub Command1_Click()
Text1.Text = Inet1.OpenURL("http://www.vbgood.com/")
End Sub
2.如果是使用 W ......
© 2009 ej38.com All Rights Reserved. 关于E健网联系我们 | 站点地图 | 赣ICP备09004571号