Re: how to find page controls - C# Discussion Boards

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Re: c# Interop

Brady Kelly31-Jul-07 6:02

Brady Kelly

31-Jul-07 6:02

There is a new toolkit from Microsoft for exposing .NET UI stuff to VB6 apps, but I can't remember what it is called.

Problem with office XP interop assemblies

Wjousts31-Jul-07 3:11

Wjousts

31-Jul-07 3:11

I'm trying to write an application that will allow an external device to be synchronized with a PowerPoint presentation. So I wrote a very simple Windows Forms application that will load a PowerPoint presentation and get a list of the slides. It then allows the user to hook each slide to an event on the external device with the objective being that when that slide appears, the external device should do a certain action. I'm using the office XP primary interop assemblies from Microsoft and all of this works fine up to this point.

Now I have a button that starts the actual presentation. My program will handle the SlideShowNextSlide, SlideShowEnd and PresentationClose events (from PowerPoint) and everything works great. My handler is triggered when the slide changes and based on which slide is displayed, it makes the external device do something.

The problem occurs after the presentation ends and I then try and restart it. At this point when I get to the SlideShowSettings.Run() method I get a COMException with the message "Presentation (unknown member) : Object does not exist."

Does anybody have any idea what the problem here might be? I'm assuming that something needs to be cleaned up on exit, but I've closed the presentation with the Close() method and even tried reinitializing a whole new PowerPoint.Application and PowerPoint.Presentation, but it just doesn't work.

Re: Problem with office XP interop assemblies

Luc Pattyn31-Jul-07 3:41

Luc Pattyn

31-Jul-07 3:41

Hi,

I never do these things, but IIRC I read something like that on CodeProject
a couple of months ago.
I think this has been a bug, and some patch exists to solve it.

So I suggest you search CP for it (using the looking glass), or else just Google it.

Smile | :)

Luc Pattyn

try { [Search CP Articles] [Search CP Forums] [Forum Guidelines] [My Articles] }
catch { [Google] }

Re: Problem with office XP interop assemblies

Wjousts31-Jul-07 10:30

Wjousts

31-Jul-07 10:30

Thanks but I've struck out on Google. I'm getting nothing.

how to find page controls

Farhan Ali31-Jul-07 3:10

Farhan Ali

31-Jul-07 3:10

Hi:

i am creating controls on a webpage dynamically and then want to get all page controls using "page.controls.count" but it is not getting page controls

anybody have any idea??

thanx

Re: how to find page controls

Colin Angus Mackay31-Jul-07 3:26

Colin Angus Mackay

31-Jul-07 3:26

When you created your dynamic controls, did you add the controls to the Page.Controls collection?

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Re: how to find page controls

Farhan Ali31-Jul-07 3:51

Farhan Ali

31-Jul-07 3:51

thanx for ur reply
yes i added it to the page controls.

Re: how to find page controls

Sandeep Akhare31-Jul-07 4:52

Sandeep Akhare

31-Jul-07 4:52

Might be the controls are not getting added to the page
Where are you adding the controls to the page ?
First check by debugging the application

Thanks and Regards
Sandeep

If If you look at what you do not have in life, you don't have anything,
If you look at what you have in life, you have everything... "

Re: how to find page controls

Malcolm Smart31-Jul-07 5:05

Malcolm Smart

31-Jul-07 5:05

Are you counting the controls on postback? On a postback, you have to create and add all the controls again.

"More functions should disregard input values and just return 12. It would make life easier." - comment posted on WTF

Capturing Mouse Pointer?

Janu_M31-Jul-07 2:10

Janu_M

31-Jul-07 2:10

Is there any mechanism to take the screenshot of the desktop along with the mouse pointer?

Here what i need is an image of the desktop in which it contains the mouse pointer.

Thanks in Advance
Ramu Medida.

Re: Capturing Mouse Pointer?

snorkie31-Jul-07 3:34

snorkie

31-Jul-07 3:34

Ramu,

Have you tried Googling for that? If you did, you might have come with http://www.codeproject.com/csharp/DesktopCaptureWithMouse.asp, which would show you how to do it...

Hogan

Thanks you very much.

Janu_M31-Jul-07 19:40

Janu_M

31-Jul-07 19:40

Thank you very much.

Thanks and regards
Ramu

openGL

Noharyiasa31-Jul-07 1:58

Noharyiasa

31-Jul-07 1:58

Where can I find the GLUT and GLAUX Libraries in c# ?

Noha

Re: openGL

led mike31-Jul-07 4:33

led mike

31-Jul-07 4:33

Noharyiasa wrote:
Where can I find the GLUT and GLAUX Libraries

You mean other than on the internet?

Getting the value of a column of selected row in DataGridView

VijayaRam31-Jul-07 1:36

VijayaRam

31-Jul-07 1:36

Hi,
I have problem in retrieving the value of a column of selected row in DataGridView control using c#.net 2005

VijayaRam

Re: Getting the value of a column of selected row in DataGridView

Herman<T>.Instance31-Jul-07 2:53

Herman<T>.Instance

31-Jul-07 2:53

easy one

<br />
public String returnGridViewCellValue(GridViewRow row, String fieldName)<br />
    {<br />
        String result = String.Empty;<br />
<br />
        try<br />
        {<br />
            result = DataBinder.Eval(row.DataItem, fieldName).ToString();<br />
        }<br />
        catch<br />
        {<br />
            result = String.Empty; // or result = fieldName + " not found";<br />
        }<br />
<br />
        return result;<br />
    }<br />

Re: Getting the value of a column of selected row in DataGridView

il_masacratore31-Jul-07 2:57

il_masacratore

31-Jul-07 2:57

Here is an example(getting the value of a cell of the first row selected ):

<br />
DatagridView oGrid;<br />
<br />
//If you know the ordinal of the column<br />
if( oGrid.SelectedRows.Count>0 )<br />
{<br />
    object oValue = oGrid.SelectedRows[0].Cells[0].Value;<br />
}<br />
<br />
<br />
//If you know the name of the column<br />
if( oGrid.SelectedRows.Count>0 )<br />
{<br />
    object oValue = oGrid.SelectedRows[0].Cells["colName"].Value;<br />
}<br />
<br />
//Then you can try to Convert the object to a different type.

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HTML form filler

Bone200331-Jul-07 1:32

Bone2003

31-Jul-07 1:32

Does anyone know a good tutorial on how to program a html form filler in C#?
I searched the web but found nothing.

Please help. thx

Re: HTML form filler

Luka Grabarevic31-Jul-07 3:18

Luka Grabarevic

31-Jul-07 3:18

Do you try to programm a spambot which
automatically fills the sign up forms of webpages?

Re: HTML form filler

Vasudevan Deepak Kumar31-Jul-07 3:28

Vasudevan Deepak Kumar

31-Jul-07 3:28

pdluke wrote:
sign up forms of webpages

But most of the signup forms now have a little-to-big CAPTCHA to 'contain' the efforts of such spambots right?

Vasudevan Deepak Kumar
Personal Homepage
Tech Gossips

Re: HTML form filler

Luka Grabarevic31-Jul-07 3:46

Luka Grabarevic

31-Jul-07 3:46

Thats true,
but there are a lot of tools that can decode CAPTCHA,
more or less well.

Re: HTML form filler

Bone200331-Jul-07 4:10

Bone2003

31-Jul-07 4:10

No im not trying to create a spam bot. I want to research the connection between IE and a program in C#. Im going to university next year and i want to make a good portfolio.

Re: HTML form filler

led mike31-Jul-07 4:27

led mike

31-Jul-07 4:27

Bone2003 wrote:
the connection between IE and a program in C#

What?

Re: HTML form filler

Bone200331-Jul-07 4:33

Bone2003

31-Jul-07 4:33

I want to use my program to fill in a form on a webpage. So its a connection between my program and Internet explorer for example. And again its not for a spam bot.

Re: HTML form filler

J4amieC31-Jul-07 5:07

J4amieC

31-Jul-07 5:07

pdluke wrote:
but there are a lot of tools that can decode CAPTCHA

I challenge you to find one that can beet >75% of CAPTCHA's

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