Leaking GDI objects

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   When we load the command bars object without doing anything with it, it creates 21 GDI font objects and when deleted only clears up 5 of them so it is leaking 16 GDI font objects every time it is loaded and deleted again. Probably another problem with Openedge but thought I would mention it anyway, in case anbody knows an answer. Here is the Openedge code which causes this leak:-

DEFINE VAR vcmdbar AS HANDLE NO-UNDO.   
DEFINE VAR chcmdbar AS COM-HANDLE NO-UNDO.
DEFINE VAR stat AS LOG NO-UNDO.
DEFINE FRAME vframe.

create control-frame vCmdBar assign
    frame = FRAME vFrame:HANDLE
    name = "CommandBars":u
    HEIGHT-PIXELS = 1
    WIDTH-PIXELS = 1
    hidden = NO
    sensitive = YES.

assign  
    chCmdBar = vCmdBar:com-handle
    stat     = chCmdBar:LoadControls( "cmdbar.wrx" , "CommandBars":u).
DELETE WIDGET vcmdbar.

Also if you set the visual theme to office2003 it will leak an extra 2 GDI bitmaps and 2 GDI DC's.

This also occurs with the Docking pane object but that only leaks 12 GDI font objects.

If anybody has any solutions to this it would a great help as this means our screen will use up the GDI resources if it is opened a lot of times, OK the limit per process is 10000 on my PC so with 1 command bar and 2 docking panes I only leak 40 objects each time which means I would have to run it 250 times in one session before it will crash but this isn't very good practice.

Thanks

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PhilM Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 24 March 2009 Location: United Kingdom Status: Offline Points: 65	Post Options Post Reply Quote PhilM Report Post Thanks(0) Quote Reply Topic: Leaking GDI objects Posted: 24 March 2009 at 11:24am
	When we load the command bars object without doing anything with it, it creates 21 GDI font objects and when deleted only clears up 5 of them so it is leaking 16 GDI font objects every time it is loaded and deleted again. Probably another problem with Openedge but thought I would mention it anyway, in case anbody knows an answer. Here is the Openedge code which causes this leak:- DEFINE VAR vcmdbar AS HANDLE NO-UNDO. DEFINE VAR chcmdbar AS COM-HANDLE NO-UNDO. DEFINE VAR stat AS LOG NO-UNDO. DEFINE FRAME vframe. create control-frame vCmdBar assign frame = FRAME vFrame:HANDLE name = "CommandBars":u HEIGHT-PIXELS = 1 WIDTH-PIXELS = 1 hidden = NO sensitive = YES. assign chCmdBar = vCmdBar:com-handle stat = chCmdBar:LoadControls( "cmdbar.wrx" , "CommandBars":u). DELETE WIDGET vcmdbar. Also if you set the visual theme to office2003 it will leak an extra 2 GDI bitmaps and 2 GDI DC's. This also occurs with the Docking pane object but that only leaks 12 GDI font objects. If anybody has any solutions to this it would a great help as this means our screen will use up the GDI resources if it is opened a lot of times, OK the limit per process is 10000 on my PC so with 1 command bar and 2 docking panes I only leak 40 objects each time which means I would have to run it 250 times in one session before it will crash but this isn't very good practice. Thanks
	Product: Xtreme SuitePro (ActiveX) version 17.3.0 Platform: Windows 10 / Windows 7 Language: Openedge 11.6

PhilM Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 24 March 2009 Location: United Kingdom Status: Offline Points: 65	Post Options Post Reply Quote PhilM Report Post Thanks(0) Quote Reply Posted: 26 March 2009 at 11:08am
	We have now fixed this issue by using the FRAME versions of these objects. Must be a problem with the way Openedge/Progress loads and destroys things.
	Product: Xtreme SuitePro (ActiveX) version 17.3.0 Platform: Windows 10 / Windows 7 Language: Openedge 11.6