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(Page 7 of 54) 1607 Result(s) found 


SetRegisteredUser - Modify the name of registered user and organization
Total Hit (1140)
DeleteRegistryKey - Delete a key of the Registry
Total Hit (1267)
CreateEmf - creating an Enhanced Metafile (EMF) from a bitmap image
Total Hit (4515)
GetFileFromProgID - The file that implements a COM component with given ProgID
Total Hit (1210)
ListBoxItemFromPoint - The index of a ListBox item at given coordinates
Total Hit (2369) «Code LangId=1» Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal _ hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, _ lParam As Any) As Long Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (dest As _ Any, dest As Any, ByVal num ....Read More
GetArrayInfo - Retreive number of dimensions and the SAFEARRAY memory structure
Total Hit (2619) «Code LangId=1» Type SAFEARRAYBOUND cElements As Long ' # of elements in the array dimension lLbound As Long ' lower bounds of the array dimension End Type Type SAFEARRAY cDims As Integer ' Count of dimensions in this array. fFeatures As Integer ....Read More
InstrWordEx - Find a whole word, with your choice of delimiters
Total Hit (1125) «Code LangId=1» '------------------------------------------------------------------------ ' This enum is used by both InstrWordEx and ReplaceWordEx ' ' It uses a binary value to determine what separator characters are allowed ' bit 0 = allow spaces ' bit 1 = allow symbols ' bit 2 = allow cont ....Read More
DegreesToRadians, RadiansToDegrees - Convert from radians to degrees and back
Total Hit (1132) «Code LangId=1»' convert from degrees to radians Function DegreesToRadians(ByVal degrees As Single) As Single DegreesToRadians = degrees / 57.29578 End Function ' convert from radians to degrees Function RadiansToDegrees(ByVal radians As Single) As Single RadiansToDegrees = radia ....Read More
Hide and show the mouse cursor
Total Hit (1882) At times you may want to temporarily hide the mouse cursor, for example in order to reduce flickering. To do so you just need the ShowCursor API function: «Code LangId=1» Private Declare Function ShowCursor Lib "user32" (ByVal bShow As Long) As Long ' hide the mouse ShowCursor False ' do ....Read More
Provide a free preview of Office Documents
Total Hit (1133) NOTE that this tip requires Windows 98, Windows 2000, Windows 95/NT 4.0 + Active Desktop. If your application must do a lot of work with Office documents, then chances are that you might need to provide a quick preview of them. I'm not talking about scrolling pages up and down as in Word or Excel bu ....Read More
Animated form icons
Total Hit (2822) You can add a professional touch to your apps by showing an animated icon when the main form is minimized. To achieve this effect, prepare an array of Image controls, each one containing the icons that make up the animation, then add a Timer control, with the Enabled property set to True and the Int ....Read More
Determine how many records the DataReader is about to return
Total Hit (1293) The DataReader is the ADO.NET counterpart of the forward-only, read-only recordset in classic ADO. For this reason you never know how many rows the DataReader is about to return. In most cases you don't need this information, because you tipically process each row as soon as it is being returned, an ....Read More
The first visible line in a multiline TextBox control
Total Hit (3040) To determine the index of the first visible line in a multiline TextBox control you only need to send it the EM_GETFIRSTVISIBLELINE message: «Code LangId=1» Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal _ hwnd As Long, ByVal wMsg As Long, ByVal wParam As Lon ....Read More
Using the CreateDirectory and CreateDirectoryEx API functions
Total Hit (4858) The VB's MkDir function creates a directory in a specified path. If the directory already exists, MkDir raises error 75 (Path/file access error); yet, it raises the same error code if you attempt to create the directory on a read-only drive. Even worse, in Windows NT/2K/XP workstations, if you try t ....Read More
An enhanced VB DatePart function
Total Hit (3178) Here is an enhanced version of VB DatePart function: the first parameter is now an enumerated type, so easier to use. DatePartEx is 4-5 times faster than DatePart and supports also two new intervals: MonthName and WeekdayName.
Retrieve Time Zone information
Total Hit (5561) The GetTimeZoneInformation API returns a TIME_ZONE_INFORMATION variable that contains several pieces of information about system's time date and time setting. The first Long value in this structure holds the "distance" (in minutes) from Greenwich standard time, so it's quite easy to create a GetTime ....Read More
Short-circuit evaluation with Select Case
Total Hit (2353) Short-circuit evaluation is an optimization technique automatically adopted by most modern compilers, including all flavors of C++, Borland Delphi and many others. Unfortunately, the Visual Basic compiler is not in this group. This optimization cuts down the time needed to evaluate a boolean express ....Read More
Create your own Image/Link extractor tool using Regular Expressions
Total Hit (2172) This is a very simple code to present use of Regular expression to solve some complex text operation which is kinda impossible using inbuilt string functions available in Visual Basic. For More information Visit the following MSDN article «a href=' ....Read More
Monitoring folder activities
Total Hit (2277) In this article I will show you how to use FindFirstChangeNotification, FindNextChangeNotification, FindCloseChangeNotification and WaitForSingleObject API. Unfortunately these all APIs can only give you indication of event but they do not tell you which file/folder has been changed and what event o ....Read More
Working with LZ (Lempel-Ziv) compression APIs
Total Hit (4712) «b»Lempel-Ziv compression«/b» is a lossless compression algorithm, which means that no data is lost when compressing and decompressing the file, as opposed to lossy compression algorithms such as JPEG, where some data is lost each time data compression and decompression occur. NTFS volumes support f ....Read More
Get CPU name using low level machine instructions (Assembly!) in VB!
Total Hit (3194) Here is the most advanced technique probably you have ever seen in VB. Haven't you been told by the "experts" that you can't do low level programming stuff in VB which you can do in C/C++/ASM ? But here I shall prove them wrong. This little code will demonstrate how to execute low level Machine inst ....Read More
Windows Socket Programming tutorial : Part-2 (Implementing Winsock Client)
Total Hit (3824)
Run Length Encodeing Compression example
Total Hit (1103) Module «Code LangId=1» ' Start a new project and add two command buttons to the form and aslo a text box ' Now place the follwing code below in to the general declarations selecion of the ' form and press 5F. Press the Commpress button and see what has happend to the ' string and then press ....Read More
Returns the full application path with the '\' terminator...
Total Hit (934) Module «Code LangId=1» Public Sub CheckPath(MyPath$) ' Adds the \ to the Application Path when required MyPath$ = App.Path If Not Right(MyPath$, 1) = "\" Then MyPath$ = MyPath$ & "\" End If End Sub «/Code» Usage «Code LangId=1» 'Usage: Private Sub Command1_Cli ....Read More
This is a link to a different site HTTP with MS Winsock Control - Part VII - Handling HTTP redirection
Total Hit (1777) There are a lot of reasons why the web developer decides to redirect HTTP request. All the web browsers used today handle the redirection automatically, without interaction with a user. So it is time to add the similar functionality to our Simple HTTP Reader sample application. ....Read More
This is a link to a different site CWinInetConnection class
Total Hit (1347) Check up CWinInetConnection class that, encapsulating the calls of WinInet API, allows you to detect the Internet connection and its properties, establish and hang up the connection, switch the system state known as Online/Offline mode.
This is a link to a different site Transparent GDI Sprite Library
Total Hit (1521) This VB library aims to make it simple to add fast, animated graphics using transparent sprites, something which is either missing or dismally slow using VB's standard methods. The source code provides a complete screen saver, and a simpler (and somewhat smaller) sample which animates a large number ....Read More
This is a link to a different site Gamma Correction
Total Hit (1151) A Gamma Correction filter is primarily used for colour matching purposes on CRT based displays, but it can also be used for creative image processing. This article shows how the gamma filter is calculated and provides an implementation.
This is a link to a different site vbAccelerator ListBar Control
Total Hit (1092) The vbAccelerator ListBar control is an all-VB control which emulates the Outlook sidebar as accurately as possible. I was inspired to write it when I started playing with Microsoft's Spy++ utility and pointed it at Outlook's list bar (or "ShortcutBar" as it publicises itself to the world) and notic ....Read More
This is a link to a different site High Resolution Multimedia Timer
Total Hit (2184) The standard timer supplied with VB is great for most tasks, but the frequency it updates at isn't acceptable for high-performance multimedia. In audio applications the system must be capable of firing audio events with a 1ms resolution, otherwise the ear will be able to discern the timing inaccurac ....Read More

(Page 7 of 54) 1607 Result(s) found  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ...

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