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| GDIView v1.03 - View GDI handles/resources list and detect GDI leaks
Copyright (c) 2007 - 2008 Nir Sofer
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Description
GDIView is a unique tool that displays the list of GDI handles (brushes, pens, fonts, bitmaps, and others) opened by every process.
It displays the total count for each type of GDI handle, as well as detailed information about each handle.
This tool can be useful for developers that need to trace GDI resources leak in their software.
System Requirements
This utility can work on Windows 2000, Windows XP, Windows Server 2003, and Windows Vista
(Earlier versions of Windows are not supported). there is also x64 version (for Vista x64) available as
a separated download.
Versions History
- Version 1.03:
- Fixed bug: The main window lost the focus when the user switched to another application and then returned back to GDIView.
- Version 1.02:
- Added option: Always On Top.
- Added support for saving comma-delimited (.csv) files.
- Version 1.01 - Fixed label size problems in 'Properties' and 'Choose Columns' windows.
- Version 1.00 - First release.
Using GDIView
GDIView doesn't require any installation process or additional DLLs.
Just copy the executable file (GDIView.exe) to any folder you like and run it.
The main window has 2 panes:
- The upper pane displays the GDI handles count for each process.
- The lower pane displays all GDI handles of the selected process in the upper pane.
The Upper Pane
The upper pane of GDIView displays counters of GDI handles for every process in your system.
You can view the counters in 3 modes:
- Show Counters Only (F2): Displays only the total counters of GDI handles
- Show Counters + Changes (F3): Displays the total counters of GDI handles, as well as the
number of handles added (positive value) or released (negative value) since the last counters reset (F8).
- Show Changes Only (F4): Displays the number of handles added (positive value) or released (negative value) since the last counters reset (F8).
The counters are updated according to the interval that you select in Options->Auto Refresh.
The Lower Pane
The lower pane of GDIView displays the details of all GDI handles of the selected process in the upper pane.
For each handle, the following information is displayed:
- Handle: The handle value of the GDI resource.
- Object Type: Bitmap, Brush, Pen, DC, and so on...
- Kernel Address: The memory address in Windows Kernel that contains the data structure of this handle.
Regular Windows application cannot read from this address, only device drivers can access it.
However, you can view the content this memory by using WinDbg in kernel debugging mode.
- Extended Information:
Displays more information for brushes (color and style), pens (style/color/width), fonts (font name/width/height/weight), and bitmaps (width/height/bits per pixel).
By default, displaying the extended information is disabled.
You can enable it by selecting 'Display Handle Extended Information' from the Options menu.
Be aware that extracting the extended information is more aggressive than the regular mode, so it's recommended to use
it only when you really need it.
Command-Line Options
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/stext <Filename>
| Save the list of all GDI counters into a regular text file.
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/stab <Filename>
| Save the list of all GDI counters into a tab-delimited text file.
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/scomma <Filename>
| Save the list of all GDI counters into a comma-delimited text file.
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/stabular <Filename>
| Save the list of all GDI counters into a tabular text file.
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/shtml <Filename>
| Save the list of all GDI counters into HTML file (Horizontal).
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/sverhtml <Filename>
| Save the list of all GDI counters into HTML file (Vertical).
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/sxml <Filename>
| Save the list of all GDI counters to XML file.
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Translating GDIView to other languages
In order to translate GDIView to other language, follow the instructions below:
- Run GDIView with /savelangfile parameter:
GDIView.exe /savelangfile
A file named GDIView_lng.ini will be created in the folder of GDIView utility.
- Open the created language file in Notepad or in any other text editor.
- Translate all string entries to the desired language.
Optionally, you can also add your name and/or a link to your Web site.
(TranslatorName and TranslatorURL values) If you add this information, it'll be
used in the 'About' window.
- After you finish the translation, Run GDIView, and all translated
strings will be loaded from the language file.
If you want to run GDIView without the translation, simply rename the language file, or move
it to another folder.
License
This utility is released as freeware.
You are allowed to freely distribute this utility via floppy disk, CD-ROM,
Internet, or in any other way, as long as you don't charge anything for this.
If you distribute this utility, you must include all files in
the distribution package, without any modification !
Disclaimer
The software is provided "AS IS" without any warranty, either expressed or implied,
including, but not limited to, the implied warranties of merchantability and fitness
for a particular purpose. The author will not be liable for any special, incidental,
consequential or indirect damages due to loss of data or any other reason.
Feedback
If you have any problem, suggestion, comment, or you found a bug in my utility,
you can send a message to nirsofer@yahoo.com
GDIView is also available in other languages. In order to change the language of
GDIView, download the appropriate language zip file, extract the 'GDIView_lng.ini',
and put it in the same folder that you Installed GDIView utility.
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