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DevX Tips Bank: Visual Basic
Prevent an IP from Connecting to Your WinSock Server Application
It's really quite simple to prevent an IP from connecting with your server or to allow …
Make a Button Click When the User Presses Enter
To make a button click when the user presses enter without the focus on it, simply add …
Create a Control Array at Runtime Instead of Design-time
To create and access the control arrays as though they were created at design time, simply …
Move a Title-less Form
If you've struggled with setting static variables in MouseDown, and MouseUp commands to …
Convert Numbers to Excel Column Names
This algorithm converts column numbers (1-x) to Excel column names.
Retrieve Records from a Supplied SQL Statement
Learn how to retrieve records from a supplied SQL statement.
Clear All the Controls in a Form
Use this code to clear all the controls in a form.
Using a Default Button and a Multiline Text Box on the Same Form
Placing the following code into your click event on the default button on your form …
Add Two Long Numbers Together Without Causing an Overflow Error
This function adds two long numbers together as if they were unsigned, and does not cause …
Limit the Focus of an MSFlexGrid to a Certain Range of Columns and Rows
Learn how to limit the focus in a big MSFlexGrid to a certain range of columns and rows.
Apply a Gradient to Any Control that Has an hDC
This tip shares a class that allows you to apply a gradient to any control that has an …
Using Pixels in WinForms .NET
This tip shows you a way to use pixels as a replacement for twips in your WinForms. This …
Masked Edit Control
Learn how to include characters in your mask that are also part of the set of mask syntax …
in a ComboBox
This code shows how to display specific itemdata in a ComboBox.
Sending Emails with Customized Attachment File Names
Use this code to create an application that allows you to generate email attachment file …
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