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Use of invalid pointer.
Pointer which is deleted most probably
so once you delete a pointer
intialize it to zero.
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I get this when I am exiting my application which is property sheet based?
So why on Exit and not before?
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when exiting, it deleting some pointer which is already deleted.
Check all the pointers.
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You are trying to write at an invalid memory location. On of the main cause of this problem is that you are accessing an object which has been released (but there could be other reasons too). If you want to find the cause of the problem and fix it, you'll need to use your debugger to track down the problem.
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Hi
I read a Byte array from a file. How can I convert this array to BITMAPFILEHEADER struct?
Best regards,
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Assuming the contents you have read into the byte array will fit into a BITMAPFILEHEADER structure,
BITMAPFILEHEADER* pFileHeader = reinterpret_cast<BITMAPFILEHEADER*>(byteArray);
«_Superman_»
I love work. It gives me something to do between weekends.
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First you have to make sure that file format confroms to the BITMAPFILEHEADER structure.
If you've, for instance, raw bites of an image, then you've to programatically create an appropriate BITMAPFILEHEADER for the data.
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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Hi,
I need help please, i have to use TStringList object so if someone has an example how to use it and what are files should include them because i have some problems to do like this :
TStringList *Liste = new TStringList;
thank you for your help
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Please, let me Google that for you ... 
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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thank you for the search but i need examples in C++.
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I can see C++ examples, in the results found.
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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ok , can you give me some of them ?
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can any body help me for, showing pop up window in taskbar..
like the way windows media players shows songs and visualisation in minibar(when its minimised).
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What you need is a Deskband.
There are 4 types of deskband objects.
3 of them reside inside internet explorer.
The last one is on the desktop.
Look at the second image in the article Implementing Shell Desk Band and Internet Explorer Bars[^]
«_Superman_»
I love work. It gives me something to do between weekends.
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In my app I have defined a dialog box with multiple static text items.
I am dynamically creating the dialog box when the user select a menu item.
I'm able to set the background color of the diaglog box by adding
ON_WM_CTRLCOLOR msg handler and calling m_brush.CreateSolidBrush in the
OnInitDialog(). I would like to set the color of the static text items on
the dialog box. How to do ? I know I need to use some type of CDC with
SetTextColor() API. I would like to set the color of these items when the dialog is created and also update some at run-time based on events happening in my app
Help, Windows/MFC "newbie"
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See the Extras section of this article.
"Old age is like a bank account. You withdraw later in life what you have deposited along the way." - Unknown
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
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In the OnCtlColor handler in the dialog, look for CTLCOLOR_STATIC and then call the SetTextColor method of the CDC class like pDC->SetTextColor(...
Look at the documentation for CWnd::OnCtlColor[^]
«_Superman_»
I love work. It gives me something to do between weekends.
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Hi,
I'm looging to use my old Axim Pocket PC with PPS2003 OS as a clock and to not let it on 24/7 I'd like a option to let it turn on at let say 6:00 and of at 22:00 automatically.
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Hi All,
I have a very large application that creates many dialogs. I have a CDialog derived class that skins dialogs. I would like to automatically make EVERY dialog in my application use this class - even message boxes, TWAIN interfaces etc etc. I was hoping I could simply use SetWindowsHookEx to do this but the problem that I'm having is that my dialogs are already 'CWnd' objects - when I try to subclass them as another CWnd (i.e. my Skinned Dialog class) I get assertations.
Is there any way to safely subclass a CDialog object with another CDialog object?
Thanks in advance,
Dave
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You could use the CWnd::Detach method to detach the existing CWnd object and then use CWnd::Attach on the returned window handle to attach your CDialog derived class.
«_Superman_»
I love work. It gives me something to do between weekends.
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Hi all,
I'm working on creating an application which will acquire image data from a camera and display it.
I have right now acquired image data from camera. The data is in the form of long integer array (32-bit signed integers). I would like to visualise this data. I am not sure how to display the data as an image. Could you please help me?
I am using Microsoft visual studio C++ 2008.
Thanks
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What is the format of that image data? Compressed, uncompressed, RGB values, BGR values? 8 bits per color component, 16 bits per color components, using a palette? Generally i guess you could create a dib section using CreateDIBSection[^] and try to render that image into the dib and then you can do whatever you like with it like blitting it onto a window.
> The problem with computers is that they do what you tell them to do and not what you want them to do. <
> Life: great graphics, but the gameplay sux. <
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Hi,
Each pixel value is in the form of 32 bit. I understand the last 24 bits represent RGB values(8bits each) and the rest 8 bits are unused (value=0).
I am not sure how I can create a proper pixel palette to convert this image to bitamp and display it.
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