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cstrader232 wrote: Public Class Form1
Function test()
Return 99
End Function
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Console.WriteLine(test) 'THIS LINE WRITES 99 (NO INSTANTIATION?)
Calling instance members of a class from inside the same class uses the current instance of the class, in this case, Form1. The current instance is refered to as Me . This line actually looks like this:
Console.WriteLine(Me.test)
In C#, it would look like this:
Console.WriteLine(this.test);
The next line needs to create an instance of the T class because the Console line is executing as part of a different class.
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hi
i am looking for a example to use documentdownload2 event but i dint get a single sample code to use it.please could any one help me in using internetexplorerclass and its events like documentdownload2 navigate2......
with regards
Balagurunathan.B
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DocumentDownload2 isn't even documented so I wouldn't worry about using it.
Which version of VB are you using?? VB6, VB.NET 2002, 2003, 2005, or 2008??
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i am using vb.net 2005. could you please give me any idea r suggestion or any link to use internetexplorerclass
with regards
Balagurunathan.B
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Why not just use the WebBrowser control in the toolbox??
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i want to get the id of the controls in html page
main reason i am looking for is to record the actions and events on the browser and replay it.
with regards
Balagurunathan.B
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Hi,
I've seen some programs use wide images which have like 3 images inside and on run-time only a third on the image is shown in a picture-box and on mouse-over a different third of the image is shown and on-click a different third of the image is shown. does anyone know how to do that or there any built class for such things?
Thanks
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You handle this like any mouse over, you handle the events for enter and leave and you change the picture as the mouse position changes, in code. Writing a control to encapsulate this would be very easy, if you need to do it in a lot of places.
Christian Graus - Microsoft MVP - C++
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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any example for how to divide the image?
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Probably the most logical thing to do is not divide the image, just write a control that draws different portions of the image in it's paint event, based on the mouse position.
Or you can just create bitmaps of the correct size and draw the parts of teh iamge into them.
Christian Graus - Microsoft MVP - C++
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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Thanks for the reply, but that is what i mean.
do you have eny example for how to draw different portions of the image on the control?
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Source = Image.FromFile("c\test")
Dim imag As New Bitmap(width, height) 'size of the portions you want
Dim rc As New Rectangle(x, y, width, height) 'location from where to take the portions
Dim gr As Graphics = Graphics.FromImage(imag) 'graphics to do the extraction
gr.DrawImage(Source, 0, 0, rc, GraphicsUnit.Pixel) 'the extraction from the source image
Dim ResultImg as Bitmap = new Bitmap(imag) ' the resulting image
It would not be too diffucult to base this process around mouse actions. width would be one third of the images total width, height would be the height of the image. The source image does not have to be from a file, it just was in my original app.
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Some one beat me to the answer. I'd recommend you both buy a good book to give you access to this sort of information, and learn how to negotiate google and the MSDN site, because you're always going to want to be finding out how APIs work, it's good to be able to find that info for yourself.
Christian Graus - Microsoft MVP - C++
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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I am working on a project where I am showing data In datagrid by binding this with datatable.I am using a listview as well.Now what I want is that if user select single or multiple rows from the grid and click on add button then the selected rows should be added In the listview.
For single row this can be done but don't know how to do for multiple rows.
Any idea how to solve this?
Thanks in advance
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hi ,
use following statement
for i as integer =0 to datagridview1.SelectedRows.count-1
'your code appear here
next
Rupesh Kumar Swami
Software Engineer,
Integrated Solution,
Bikaner (India)
My Company
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Thanks for the reply but I am using datagrid not datagridview and there is no selectedrows property for datagrid in vb.net 2003.
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What condition should appear in the for..next loop to get the selected rows?
I tried the following
Dim I as Integer
for i = 0 to datagridview1.SelectedRows.count-1
what code should appear here to get the selected rows.
next
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Problem in Vb.net useing crystel report Load report to fail
i am getting error load report to fail in vb.net windows form project here i pest exception details please help me
System.Exception was unhandled
Message="Load report failed."
Source="CrystalDecisions.CrystalReports.Engine"
StackTrace:
at CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.EnsureDocumentIsOpened()
at CrystalDecisions.CrystalReports.Engine.ReportDocument.Load(String filename, OpenReportMethod openMethod, Int16 parentJob)
at CrystalDecisions.CrystalReports.Engine.ReportClass.Load(String reportName, OpenReportMethod openMethod, Int16 parentJob)
at CrystalDecisions.CrystalReports.Engine.ReportDocument.EnsureLoadReport()
at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSourceInternal(Object val, Type type)
at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSource(DataSet dataSet)
at ACCOUNT.crview.crview_Load(Object sender, EventArgs e) in D:\D.NET\ACCOUNT\ACCOUNT\crview.vb:line 6
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Form.OnCreateControl()
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ContainerControl.WndProc(Message& m)
at System.Windows.Forms.Form.WmShowWindow(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
at System.Windows.Forms.SafeNativeMethods.ShowWindow(HandleRef hWnd, Int32 nCmdShow)
at System.Windows.Forms.Control.SetVisibleCore(Boolean value)
at System.Windows.Forms.Form.SetVisibleCore(Boolean value)
at System.Windows.Forms.Control.Show()
at ACCOUNT.MainMenu.CashToolStripMenuItem_Click(Object sender, EventArgs e) in D:\D.NET\ACCOUNT\ACCOUNT\MainMenu.vb:line 121
at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)
at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)
at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)
at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ToolStrip.WndProc(Message& m)
at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.Run(ApplicationContext context)
at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun()
at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel()
at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(String[] commandLine)
at ACCOUNT.My.MyApplication.Main(String[] Args) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 81
at System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args)
at System.Runtime.Hosting.ManifestRunner.Run(Boolean checkAptModel)
at System.Runtime.Hosting.ManifestRunner.ExecuteAsAssembly()
at System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext activationContext, String[] activationCustomData)
at System.Runtime.Hosting.ApplicationActivator.CreateInstance(ActivationContext activationContext)
at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssemblyDebugInZone()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.runTryCode(Object userData)
at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
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Jigneshjpatel wrote: at ACCOUNT.crview.crview_Load(Object sender, EventArgs e) in D:\D.NET\ACCOUNT\ACCOUNT\crview.vb:line 6
What's in crview.vb on line 6? Put a break point before it and step through the code to see what's causing the error (look in local variables for clues).
Pete Soheil
DigiOz Multimedia
http://www.digioz.com
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hi all,
can sql is suppport by all os specially mac and linux.
And give me idea about which database is supported by all os (mac/linux/windows).
help me please......
Thank You in advance
Senthil.S
Senthil S
Software Engineer
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SQL is supported everywhere. SQL Server is another matter. MySQL may be supported on Max and Linux, it seems like a products created by the same sort of hippys as Linux.
Christian Graus - Microsoft MVP - C++
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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thanks,
wat about mac os?
wheather it support mysql??
Senthil S
Software Engineer
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Senthil S wrote: wat about mac os?
wheather it support mysql??
If you are looking for cross platform, MySQL is your best bet. Binary distributions are currently available for Windows, Linux, Solaris, FreeBSD, Mac OS X, HP-UX, IBM AIX and i5 OS, QNX, Novell and SCO:
http://dev.mysql.com/downloads/mysql/5.0.html[^]
OR you can download the source code and compile it on other OS not specified above:
http://dev.mysql.com/downloads/mysql/5.0.html#source[^]
Pete Soheil
DigiOz Multimedia
http://www.digioz.com
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Why does control +C and control +V doesn't work on textbox controls of VB.Net 2005 forms when we run them. But Right click -Copy, Paste works fine on the controls.
Could anybody tell what is the reason.
Sekhar
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They do, as far as I know. What makes you think otherwise ? Are these textboxes you've written any event handlers for ?
Christian Graus - Microsoft MVP - C++
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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