Ultimate Programming Tutorials

VB.NET Drop Shadow At The Form Border

in drop shadow, tutorial, vb.net - By Mohamed Shimran - on 12/17/2012 - 13 comments

this is something make your application attractive by the way this is a simple code that you have to place under public class form1

so here is the code


Protected Overrides ReadOnly Property CreateParams() As System.Windows.Forms.CreateParams
        Get
            Const DROPSHADOW = &H20000
            Dim cParam As CreateParams = MyBase.CreateParams
            cParam.ClassStyle = cParam.ClassStyle Or DROPSHADOW
            Return cParam
        End Get
    End Property

and the shadow

Changing Progress Bar Colors In VB.NET

in progressbar colors, tutorial, vb.net - By Mohamed Shimran - on 12/16/2012 - 13 comments

this is a cool effect not a effect actually but like a effect so i made 3 colors for progressbar and actually they all looks awesome , they are red,green,yellow so lets get started

now if your on a project just add a progressbar or if your not on a project just create a new project and name it whatever you want and add a progressbar and double click your form and add these code below

Public Class Form1
    'ultimate programming tutorials
    Declare Auto Function SendMessage Lib "user32.dll" (ByVal hWnd As IntPtr, ByVal msg As Integer, ByVal wParam As Integer, ByVal lParam As Integer) As Integer
    Enum ProgressBarColor
        Green = &H1
        Red = &H2
        Yellow = &H3
    End Enum
    Private Shared Sub ChangeProgBarColor(ByVal ProgressBar_Name As Windows.Forms.ProgressBar, ByVal ProgressBar_Color As ProgressBarColor)
        SendMessage(ProgressBar_Name.Handle, &H410, ProgressBar_Color, 0)
    End Sub
End Class

now if you want to make your progressbar color green , add this code to a click event a button is better

Switch On/Off NumLock,CapsLock,ScrollLock In VB.NET

in Num Lock Caps Lock Scroll Lock, tutorial, vb.net - By Mohamed Shimran - on 12/14/2012 - 4 comments

i hope this will be something more interesting and useful than others so this what actually do is , you can make two buttons on is for switching the NumLock,CapsLock and ScrollLock on and the other button is to switch of them all ok so create a new project and name them whatever you like to , add two buttons

now double click your form and erase everything and add this code

Public Class form1

    Private Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Integer, ByVal dwExtraInfo As Integer)

    Private Const VK_CAPITAL As Integer = &H14
    Private Const VK_SCROLL As Integer = &H91
    Private Const VK_NUMLOCK As Integer = &H90

    Private Const KEYEVENTF_EXTENDEDKEY As Integer = &H1
    Private Const KEYEVENTF_KEYUP As Integer = &H2
end class

Change Opacity When Dragging The Form In VB.NET

in opacity, tutorial, vb.net - By Mohamed Shimran - on 12/14/2012 - No comments

this is something awesome , i hope you understand what this actually do . open your visual basic 2008/2010 and create a new project and double click your form and add this code

How To Drag And Drop Images Inside the Form In VB.NET

in drag and drop images, tutorial, vb.net - By Mohamed Shimran - on 12/14/2012 - No comments

this is something very useful , i think you know what this actually do . the title says it . so lets get started making it just make a new project and name it whatever you want and double click your form and add this code

How To Validate Email Address In VB.NET

in tutorial, validate email, vb.net - By Mohamed Shimran - on 12/13/2012 - 4 comments

this is going to be interest , i am using regex here regex means regular expressions so lets get started , you just need to add a textbox and a button by the way if i say directly you need a button click event so this will work like this , you enter an email address and click on the button so if the email address you have entered is valid then a message box will popup and say that also if the email address you have entered incorrect then a message box will popup saying invalid email address