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Visual Basic Programming Code Examples

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Display printers listed on the system



Display printers listed on the system

'Place a combo box on a form and enter the following code. 
Private Sub Form_Load()
Dim printer
For Each printer In Printers
Combo1.AddItem printer.DeviceName
Next
End Sub

C++ Program to Implement Pairing Heap
In this, Insert item x into the 'priority queue', maintaining heap order. Return a pointer to the node containing the new item. Find the 'smallest' item in the priority queue. Return

Undirected Graph is Connected Using DFS
A "Recursive Function" to print 'DFS' starting from v. Returns reverse ('or transpose') of this graph. Add edge to connect v and w. Check if Graph is Connected and display 'The Graph is

Convert Binary Code of a Number into its
C Programming Language code to convert binary code of a number into its equivalent gray's code without using recursion. Gray is also represented using 0s and 1s. Speciality

C Programs Depth First Binary Tree Search
C program, using recursion, performs a depth first search traversal. Depth-first search (DFS) is an algorithm for 'Traversing or Searching' a tree, 'tree structure' or graph. The concept of

C program to Dynamic Array of structures
Dynamic array of structures. Add ONE element to the array. Allocate memory for one 'struct node'. Copy the data into the new element (structure). Print the array. Free all...

Frequency of Characters in a C-style String
In this example, 'frequency of characters' in a String object is computed. To do this, "size()" function is used to find the Length of a string object. Then, the for loop is iterated until the

C++ Language Break Continue Statement
We can use "break" statement inside loops to terminate a 'loop & exit' it. In above example loop execution 'continues' until either n>=20 or entered score is negative. This statement

Finds Largest Number Among 3 Numbers
In 'C++ program', user is asked to enter three numbers. Then program finds out the largest number among three numbers and displays it with proper message. Program can be used in