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Determine whether a program is 16- or 32-bit
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| Total Hit (3274) |
Even if we're living in a 32-bit world, and closer and closer to the 64-bit day, 16-bit programs are still running out there. Knowing whether a given EXE is 32-bit or not can be useful when you have to arrange version checking routine, for example to detect which version of a product is installed.
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Create a simple Windows inspector
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| Total Hit (4188) |
It takes only a handful of lines of code to create Windows inspector program, that is, an utility that lets you display the handle, the class name and the contents (Text or Caption) of the window under the mouse cursor.
To create such a program, create a small form, add a Label1 control and a Tim
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Get the list of ODBC DSNs (Using ODBCTOOL.DLL)
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| Total Hit (7425) |
The ODBCTOOL.DLL library contains three functions that make it easier to manage DSNs. To run the following code you must add a reference to the "ODBC Driver & Data Source Name Functions" library to your References dialog box. If you don't find this library listed in the References list, use the Star
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Use Objptr function to quickly locate an object in a Collection
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| Total Hit (3116) |
One of the simplest and most effective uses of the ObjPtr function is to provide a key for quickly locating an object in a Collection. Let's suppose you have a collection of objects that don't have a property that can be used as a key to retrieve them in a collection. You can work around this by usi
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Let the user insert OLE objects in a RichTextBox control
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| Total Hit (2535) |
A little-known feature of the RichTextBox control allows you to insert an OLE object in the text being edited. However, you can do so only programmatically, by adding an element to the OleObjects collection. An easy way to let the user select the object to be embedded in the control is using the Ins
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Testing a key in a PropertyBag without raising an error
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| Total Hit (3027) |
When you pass a non-existing key to the WriteProperty method of the PropertyBag object you get an error 327 "Data value named 'namekey' not found". This is more or less the same error - albeit with a different error code - that you receive when you pass an non-existing key to the Item method of a Co
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Rotating Image using PlgBlt API (Win 9x/ME not supported)
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| Total Hit (8276) |
- Create a standard exe project
- Place two picture box and one timer control onth form1
- Assign some image (relatively small image would do betetr) to Picture1.
- Add the following code in form1
«code LangId=1»Private Declare Function PlgBlt Lib "GDI32.dll" (ByVal hDCDest As Long, _
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Working with AVI Files - Part 3 (Working With Frames, AVI to BMP)
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| Total Hit (25477) |
In my previous 2 articles «a href='CodeDetail.aspx?CodeId=3612'»«b»Part-1 (Opening and Closing AVI file)«/b»«/a» and «a href='CodeDetail.aspx?CodeId=3613'»«b»Part-2 (Working with AVI Streams)«/b»«/a» you learned that how to open and close AVI file and Stream we also learned how to get basic informat
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How to bring window to the front in Windows 2000/ME ?
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| Total Hit (4332) |
Have you ever tried to use SetForegroundWindow function in Windows 2000/ME ? In windows 9x its very easy to set foreground window, just pass window handle to SetForegroundWindow and done... But in Windows 2000 and ME microsoft has changed the process for setting foreground window. In windows 2000 an
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How To Start a Process as Another User from Visual Basic
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| Total Hit (6826) |
This article shows you how to programmatically start a process as another user from Microsoft Visual Basic. To do this, you can use the LogonUser and CreateProcessAsUser Win32 APIs on a computer that is running Microsoft Windows NT 4.0, or you can use the CreateProcessWithLogonW Win32 API on a compu
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Working with AVI Files - Part 1 (Opening and Closing AVI file)
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| Total Hit (21859) |
This series of articles will show you step by step approach for working with AVI files in VB using Win32 API. In this article series we will go through following tutorials.
Other articles in this series
«b»«a href='CodeDetail.aspx?CodeId=3612'»Working with AVI Files - Part 1 (Opening and Closi
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How to Cancel Printing job sent to Printer.
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| Total Hit (3026) |
To learn more about Printing Using API click on the folloing link
«a href='http://msdn.microsoft.com/library/en-us/gdi/prntspol_0r1j.asp'»http://msdn.microsoft.com/library/en-us/gdi/prntspol_0r1j.asp«/a»
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Working with the PivotTable Component's Object Model
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| Total Hit (2250) |
The PivotTable List control is represented in the object model by the PivotTable object. You use the DataSource property to specify the source of the data to be displayed in the control. Typically, this property setting will consist of an ADO data source or another one of the Office Web Component co
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Determining Free Disk Space in Win95/Win98 with GetDiskFreeSpace
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| Total Hit (812) |
The routine presented here to determine a drive's available disk space will return incorrect results on volumes over 2 gigabytes, as supported by the FAT32 partitions implemented in Windows95 OEM Service Pack 2, Windows 98 (without FAT32 conversion) and NT4. See the comments section following the co
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Using the cNewMenu DLL to Create Start Menu/ICQ Style Pop-up Menus
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| Total Hit (1717) |
The PopupMenu ActiveX DLL let's you create an unlimited number of cool-looking pop-up menus in your application, but what to do in the unlikely event that even that's not cool enough for you? The new version gives you this control too. The OwnerDraw property, which applies to each menu item allows y
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Using CBT Hooks to Centre API Dialogs
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| Total Hit (2095) |
Windows sometimes places Common Dialogs and Message Boxes at the "wrong" position on the screen. Whilst there are some ways of working around this for Common Dialogs, a more general solution which applies to any Windows dialog is to use a CBT (Computer-Based Training) Windows Hook. These Hooks provi
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