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Visual Basic Programming Code Examples

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API disable ctrl alt and del .Not XP or 2000



API disable ctrl alt and del .Not XP or 2000

Private Declare Function SystemParametersInfo Lib _ "user32" Alias "SystemParametersInfoA" (ByVal uAction _ As Long, ByVal uParam As Long, ByVal lpvParam As Any, _ ByVal fuWinIni As Long) As Long

 
Sub DisableCtrlAltDelete(bDisabled As Boolean)
Dim X As Long X = SystemParametersInfo(97, bDisabled, CStr(1), 0)
End Sub 
 

Private Sub Form_Load() 
Call DisableCtrlAltDelete(True) 
End Sub 


Private Sub Form_Unload(Cancel As Integer) 
Call DisableCtrlAltDelete(False) 
End Sub

Perimeter of a Circle Rectangle & Triangle
This C Program calculates the perimeter of a circle, rectangle and triangle. This program is used to find the perimeter of circle, rectangle and triangle. Perimeter of rectangle: 2 *(x+y)

Program Code Displays Number in Words
C Language code input a number and print it into words using for loop. Input number from user. Find total digits in n. Store reverse of n in j. Find total trailing zeros. Extract last digit

C Language Program Infinite While Loops
C Code example of Infinite While Loop. Since the value of the variable var is same (there is no ++ or -- operator used on variable, inside the body of loop) the condition var<=2 will be

Function Overriding in The C++ Language
Function overriding is a feature that allows us to have a "same function" in child class which is already present in the parent class. A child class inherits the data members and member

Number Decimal System to Binary System
C Language program code to using recursion finds a binary equivalent of a decimal number entered by the user. The user has to enter a decimal which has a base 10 and the program

Returns a String representation of Integer
Converting an integer to a string with a fixed width. If the width is too small, the minimum width is assumed. Generate digit characters in reverse order. Shift the string to the right

Find the volume & surface area of cuboids
This C Program to calculates the volume and surface area of cuboids. The Formula used in this program are surfacerea= 2(w * l + l * h + h * w) where w is Width & l is Length and h is

Use Infinite While Loops in C++ Language
This Loop would never end as 'decrementing' the value of i which is 1 so the condition i<=6 would never return false. A "While Loop" that never stops is said to be "Infinite While Loop",