C# Tutorials and offshore development in India
    Tutorials   Resources   Forum   Communities   Interview   Jobs   Projects   Offshore Development    
Silverlight Tutorials | Mentor | Code Converter | Articles | Code Factory | Computer Jokes | Members | Peer Appraisal | IT Companies | Bookmarks | Revenue Sharing |


Prizes & Awards
My Profile



Active Members
TodayLast 7 Days more...

New Feature: Community Sites: Create your own .NET community website and start earning from Google AdSense ! It's Free !






How to Invoke Unmanaged DLL Functions from Compact Framework for Pocket PC


Posted Date: 05 May 2008    Resource Type: Code Snippets    Category: Collections
Author: komaladeviMember Level: Gold    
Rating: Points: 10



The following code sample shows how to Invoke Unmanaged DLL Functions from Compact Framework for Pocket PC




Complete Code Listing

Imports System
Imports System.Drawing
Imports System.Collections
Imports System.Windows.Forms
Imports System.Data
Imports System.Runtime.InteropServices
Public Class Form1
Inherits System.Windows.Forms.Form
Private button1 As System.Windows.Forms.Button
Private button3 As System.Windows.Forms.Button
Private button2 As System.Windows.Forms.Button
Private button4 As System.Windows.Forms.Button
Private button5 As System.Windows.Forms.Button
Private mainMenu1 As System.Windows.Forms.MainMenu
#Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
'This call is required by the Windows Form Designer.
InitializeComponent()
'Add any initialization after the InitializeComponent() call
End Sub
'Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
MyBase.Dispose(disposing)
End Sub
'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.
'Do not modify it using the code editor.
Private Sub InitializeComponent()
Me.mainMenu1 = New System.Windows.Forms.MainMenu
Me.button1 = New System.Windows.Forms.Button
Me.button3 = New System.Windows.Forms.Button
Me.button2 = New System.Windows.Forms.Button
Me.button4 = New System.Windows.Forms.Button
Me.button5 = New System.Windows.Forms.Button
'button1
Me.button1.Location = New System.Drawing.Point(40, 16)
Me.button1.Size = New System.Drawing.Size(96, 32)
Me.button1.Text = "PocketPc.Com"
AddHandler button1.Click, AddressOf button1_Click
'button3
Me.button3.Location = New System.Drawing.Point(40, 64)
Me.button3.Size = New System.Drawing.Size(96, 32)
Me.button3.Text = "IE"
AddHandler button3.Click, AddressOf button3_Click
'button2
Me.button2.Location = New System.Drawing.Point(40, 112)
Me.button2.Size = New System.Drawing.Size(96, 32)
Me.button2.Text = "Calculator"
AddHandler button2.Click, AddressOf button2_Click
'button4
Me.button4.Location = New System.Drawing.Point(40, 160)
Me.button4.Size = New System.Drawing.Size(96, 32)
Me.button4.Text = "Calendar"
AddHandler button4.Click, AddressOf button4_Click
'button5
Me.button5.Location = New System.Drawing.Point(40, 208)
Me.button5.Size = New System.Drawing.Size(96, 32)
Me.button5.Text = "Tasks"
AddHandler button5.Click, AddressOf button5_Click
'Form1
Me.Controls.Add(Me.button5)
Me.Controls.Add(Me.button4)
Me.Controls.Add(Me.button2)
Me.Controls.Add(Me.button3)
Me.Controls.Add(Me.button1)
Me.Menu = Me.mainMenu1
Me.Text = "Form1"
End Sub
Shared Sub Main()
Application.Run(New Form1)
End Sub 'Main
#End Region
Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
ShowPPCWebSite()
End Sub
Private Sub button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
StartCalc()
End Sub
Private Sub button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
StartIE()
End Sub
Private Sub button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
StartCalendar()
End Sub
Private Sub button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
StartTasks()
End Sub
Private Declare Function CreateProcess Lib "coredll.Dll" (ByVal strImageName As String, ByVal strCmdLine As String, ByVal pProcessAttributes As IntPtr, ByVal pThreadAttributes As IntPtr, ByVal bInheritsHandle As Integer, ByVal dwCreationFlags As Integer, ByVal pEnvironment As IntPtr, ByVal pCurrentDir As IntPtr, ByVal bArray() As [Byte], ByVal oProc As ProcessInfo) As Integer
Private Sub ShowPPCWebSite()
Dim pi As New ProcessInfo
CreateProcess("iexplore.exe", "www.microsoft.com/mobile/pocketpc/default.asp", IntPtr.Zero, IntPtr.Zero, 0, 0, IntPtr.Zero, IntPtr.Zero, New [Byte](128) {}, pi)
End Sub 'ShowPPCWebSite
Private Sub StartIE()
Dim pi As New ProcessInfo
CreateProcess("iexplore.exe", "", IntPtr.Zero, IntPtr.Zero, 0, 0, IntPtr.Zero, IntPtr.Zero, New [Byte](128) {}, pi)
End Sub 'StartIE
Private Sub StartCalc()
Dim pi As New ProcessInfo
CreateProcess("calc.exe", "", IntPtr.Zero, IntPtr.Zero, 0, 0, IntPtr.Zero, IntPtr.Zero, New [Byte](128) {}, pi)
End Sub 'StartCalc
Private Sub StartCalendar()
Dim pi As New ProcessInfo
CreateProcess("calendar.exe", "", IntPtr.Zero, IntPtr.Zero, 0, 0, IntPtr.Zero, IntPtr.Zero, New [Byte](128) {}, pi)
End Sub 'StartCalendar
Private Sub StartTasks()
Dim pi As New ProcessInfo
CreateProcess("tasks.exe", "", IntPtr.Zero, IntPtr.Zero, 0, 0, IntPtr.Zero, IntPtr.Zero, New [Byte](128) {}, pi)
End Sub 'StartTasks
End Class
Public Class ProcessInfo
Public Process As Integer
Public Thread As Integer
Public ProcessID As Integer
Public ThreadID As Integer
End Class 'ProcessInfo





Responses


No responses found. Be the first to respond and make money from revenue sharing program.

Feedbacks      
Popular Tags   What are tags ?   Search Tags  
(No tags found.)

Post Feedback


This is a strictly moderated forum. Only approved messages will appear in the site. Please use 'Spell Check' in Google toolbar before you submit.
You must Sign In to post a response.
Next Resource: Get Printer Name from a network
Previous Resource: Add/remove items from one listbox to other (in C#)
Return to Discussion Resource Index
Post New Resource
Category: Collections


Post resources and earn money!
 
Related Resources



dotNet Slackers   BizTalk Adaptors    Web Design


Contact Us    Privacy Policy    Terms Of Use