制作VB安装程序问答(Package & Deployment)

VB取得线程句柄

Private Declare Function OpenThread Lib "kernel32" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwThreadId As Long) As Long
Private Const THREAD_ALL_ACCESS = &H1F03FF
OpenThread(THREAD_ALL_ACCESS, 1, 线程ID) '由线程ID取得线程句柄,返回线程句� ......

VB: 取网页源码

Private Declare Function URLDownloadToFile Lib "urlmon" Alias "URLDownloadToFileA" ( _
    ByVal pCaller As Long, _
    ByVal szURL As String, _
    ByVal szFileName As String, _
    ByVal dwReserved As Long, _
......

VB中得到屏幕支持的分辨率和色位

http://topic.csdn.net/t/20030306/11/1497896.html#
工程文件名：Chdsp.vbp
Type=Exe
Reference=*\G{00020430-0000-0000-C000-000000000046}#2.0#0#..\PWIN95\SYSTEM\\STDOLE2.TLB#OLE Automation
Module=Module1; ChDsp.bas
Form=ChDsp.frm
Startup="Form1"
He ......

VB错误代码

3,Return without GoSub
5,Invalid procedure call
6,Overflow
7,Out of memory
9,Subscript out of range
10,This array is fixed or temporarily locked
11,Division by zero
13,Type mismatch
14,Out of string space
16,Expression too complex
17,Cant perform requested operation
18,User int ......

VB实现软件试用期

大家都知道共享软件都有它们的试用期，即给你一个固定的期限免费使用。
应有的功能：
1）给定一个试用期限，在系统每次启动时会判断软件已经使用了几天，还有几天可以及启动的次数。
2）当系统日期被修改成往日的日期后，系统能自动判别，禁止修改日期，不� ......