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How to install/uninstall Printer Driver programatically ?
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| Total Hit (5508) |
This article will show you how to install/uninstall Printer Driver without any user interaction.
«b»Step-By-Step Example«/b»
- Create a standard exe project
- Copy and Paster the following code in form code window
- Make sure you modify various parameter according to your requirement.
«c
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How to take ownership of a file/folder ?
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| Total Hit (14965) |
This sample article will show you how to get owner of a file/folder and how to take ownership of a file/folder?
«b»Step-By-Step Example«/b»
- Create a standard exe project
- Add one module
- Add one textbox and one command button on the form1
- Add one ListView control on the form1. To add
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How to display Advanced document property of a selected printer ?
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| Total Hit (3542) |
This demo will show you how to use AdvancedDocumentProperties function to displays a printer-configuration dialog box for the specified printer, allowing the user to configure that printer.
«b»Step-By-Step Example«/b»
- Create a standard exe project
- Place following code in form1 code windo
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How to check whether your program is running on Windows NT/2000 ?
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| Total Hit (2052) |
This simple code will tell you whether your program is running on NT/2000 platform or Win9x/ME.
«b»Step-By-Step Example«/b»
- Create a standard exe project
- Add the following code in the form1 code window
«b»Form1.frm«/b»
«code LangId=1»' Types, constants and functions for OS version d
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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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Working with Arc API (Arc, ArcTo, AngleArc)
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| Total Hit (4939) |
In this article we will explore 3 APIs (Arc, ArcTo and AngleArc).
An arc is a portion or segment of an ellipse, meaning an arc is a non-complete ellipse. Because an arc must confirm to the shape of an ellipse, it is defined as it fits in a rectangle and can be illustrated as follows:
«BR»«P Al
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How to use AnimateWindow API to animate form on Load/Unload events
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| Total Hit (7043) |
The AnimateWindow function enables you to produce special effects when showing or hiding windows. There are three types of animation: roll, slide, and alpha-blended fade.
«b»Step-By-Step Example«/b»
- Create a standard exe project
- Add a new form called Form2 (Form1 is added by default)
- A
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How to modify (Add/Remove) System Menu using API ?
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| Total Hit (12075) |
In this article you will learn how to modify system menu (control menu). You will also learn how to handle event of newly added menu item.
To modify system menu first you have to call GetSystemMenu api to get handle of system menu and then you can all other menu APIs (i.e. GetMenuItemCount, Appen
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How to disable form's Close button (X)?
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| Total Hit (4997) |
To modify an item in the Visual Basic Control menu (also known as the System menu), you need to use the SetMenuItemInfo API function. You can use ModifyMenuItem or EnablemenuItem api, both functions work. However it appears that Visual Basic re-enables the menu item whose ID is SC_CLOSE. This is why
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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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How To Use High-Level Access Control APIs from Visual Basic
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| Total Hit (4553) |
The Win32 API provides two sets of APIs for working with security descriptors (SDs) and access control lists (ACLs). Low-level as well as high-level access control API sets provide an interface for working with SDs and ACLs. For Microsoft Windows 2000 and MIcrosoft Windows XP, the high-level access
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Handling NTFS Permissions Part-2 (handling user object permissions)
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| Total Hit (11217) |
The Win32 Application Programming Interface (API) provides two sets of APIs for working with security descriptors and access control lists (ACLs): low-level and high-level. This series of articles provide a complete set of Microsoft Visual Basic code samples that use low-level access control APIs to
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How to find Time Zone information on current system ?
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| Total Hit (3282) |
The following code will extract the timezone information from your system. It includes three functions. One returns the current date/time in UTC (or ZULU or GMT) time, the next returns the offset of your time zone from GMT in minutes (divide by 60 to get hours), and the last returns the name of the
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How to list all available timezones and change the timezone?
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| Total Hit (6657) |
It is sometimes necessary to programmatically change the time zone for the system where the application is running. This article demonstrates this technique.
The way to implement this effect is as follows:
Determine which time zone you would like to change to.
Find the key in the registry tha
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Check Access Rights to File/Directory on NTFS Volume
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| Total Hit (6684) |
Windows NT/2000/XP has API function AccessCheck, which in fact checks access rights to every operating system object, which supports access rights. This function is called implicitly by system every time user accesses such object. To call AccessCheck function explicitly it is necessary to carry out
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How to retrive and change system's short/long date format
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| Total Hit (7786) |
This article will demonstrate how to retrive system's local name and short/long date format. It will also show you how to change current short/long date format of the system.
To implement Copy/Paste Demo
- Create a standard exe project
- Add a module
- Place 3 labels on the form1 (to diaplay
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How To Print Using Custom Page Sizes on Windows NT and Windows 2000
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| Total Hit (6562) |
Have you ever tried to set custom paper size using VB inbuilt Printer object ??? You can set custom papersize by setting Printer.PaperSize = 256 and then Printer.Height = 4500 , Printer.Width = 7500 but unfortunately this wont work under NT/2000 because in NT each paper size is considered as a "Form
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How to Autosize ListView columns ?
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| Total Hit (10249) |
This demo will show you how to auto fit all ListView items.
«b»Step-By-Step Example«/b»
- Create a standard exe project
- Add ListView control on the form1. To add ListView control you need to add reference to Microsoft Windows Common Control 5.0 (Click Project->Components)
- Place the follo
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How to get information of all installed IP's on current system.
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| Total Hit (3398) |
This article will show you how to get all installed IP addresses and subnet mask on your system.
To implement quick demo perform the following steps
- Create a standard exe project
- Add a module
- Add 1 command button and 1 text box with MultiLine=True
Place the following code in Form1 d
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How to monitor Printer Queue using printer API
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| Total Hit (19431) |
This article will show you how you can use OpenPrinter, EnumJobs and ClosePrinter API to monitor selected printer's queue.
To implement Quick Demo perform the following steps
- Create a standard exe project
- Add module1
- Place 1 commandbutton, 1 textbox, 1 combobox 1 timer and 1 ListView
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How to display different control panel applets
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| Total Hit (3234) |
«code LangId=1»' Display the Control Panel
Call Shell("rundll32.exe shell32.dll,Control_RunDLL", vbNormalFocus)
'Display the Accessibility Properties
Call Shell("rundll32.exe shell32.dll,Control_RunDLL access.cpl", vbNormalFocus)
'Display Add/Remove Programs
Call Shell("rundll32.exe shell32
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How to Add/Delete Printer Programatically using API?
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| Total Hit (28780) |
This article will show you step by step approch to Add and Delete Printer Programatically without any user interaction.
When writing a Win32 application that installs a network printer connection, you must take into consideration differences in printing if the application will be run under both W
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How can I print a preformated file directly to printer?
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| Total Hit (2618) |
«b»Step-By-Step Example«/b»
1. On a Microsoft NT 4.0 system, add a printer with a name that contains a space.
2. Create a text file in the C:\ folder, for example, test.txt.
3. Start a new Standard EXE project in Visual Basic. Form1 is created by default.
4. From the Project menu, select Refer
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