再谈用VB无窗口透明Usercontrol编写透明浮动按钮
去年曾写过一篇博文,名称叫《用VB无窗口透明Usercontrol编写透明浮动按钮》,该文有一个观点是错误的,即透明无窗口Usercontrol不支持设计时点选。其实,通过在UserControl_HitTest过程里加入HitResult = vbHitResultHit语句,就可以实现设计时的点选了,为此,修改代码如下:
'* ************************************************************** *
'* 程序名称:Button.ctl
'* 程序功能:透明浮动按扭
'* 作者:lyserver
'* 联系方式:http://blog.csdn.net/lyserver
'* 说明:解决了FloatButton版本设计时不能点选的BUG
'* ************************************************************** *
Option Explicit
'======================================================================
' API 声明
'======================================================================
Private Type POINTAPI
x As Long
y As Long
End Type
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Private Declare Function SetRect Lib "user32" (lpRect As RECT, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long
Private Declare Function OffsetRect Lib "user32" (lpRect As RECT, ByVal x As Long, ByVal y As Long) As Long
Private Declare Function GetCursorPos Lib "user32" (lpPoint As POINTAPI) As Long
Private Declare Function ScreenToClient Lib "user32" (ByVal hwnd As Long, lpPoint As POINTAPI) As Long
Private Declare Function DrawEdge Lib "user32" (ByVal hdc As Long, qrc As RECT, ByVal edge As Long, ByVal grfFlags As Long) As Long
Private Const BDR_RAISED = &H5
Private Const BDR_SUNKEN = &HA
Private Const BDR_RAISEDINNER = &H4
Private Const BDR_SUNKENINNER = &H8
Private Const BDR_RAISEDOUTER = &H1
Private Const BDR_SUNKENOUTER = &H2
Private Const BF_RECT = &HF
Private Declare Function DrawText Lib "user32" Alias "DrawTextA" (ByVal hdc As Long, ByVal lpStr As String, ByVal nCount As Long, lpRect As RECT, ByVal wFormat As Long) As Long
Private Const DT_CENTER = &H1
Private
相关文档:
通过调用CreateDataSetfromXml取得XML数据
Imports System.Xml
Public Const FILE_CONFIG = "MZZ.xml"
Public Const PATH_CONFIG = "\XML\"
Dim dstXML As DataSet
Dim tblXML_DB As DataTable
Dim dtCod As New DataTable
Dim strSQL As String = ""
clsPublic ......
VB显示透明FLASH效果
演示效果:
代码如下:
公共声明区域
Option Explicit
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
Private Declare Function SetWindowLong Lib "user32" Alias "SetW ......
如果原来没有使用过正则表达式,那么可能对这个术语和概念会不太熟悉。不过,它们并不是您想象的那么新奇。
请回想一下在硬盘上是如何查找文件的。您肯定会使用 ? 和 * 字符来帮助查找您正寻找的文件。? 字符匹配文件名中的单个字符,而 * 则匹配一个或多个字符。一个如 'data?.dat' 的模式可以找到下述文件:
data1.dat
......
主窗体代码:
'打开网页
Private Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" (ByVal hwnd As Long, ByVal lpOperation As String, ByVal lpFile As String, ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long
'复制文件
Private Declare Fu ......
Option Explicit
Public 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
Public Declare Function RegCreateKey Lib "advapi32.dll" Alias ......