ATL / WTL / STL

6-Jul-04 19:56

folks,

i've got a composite activex component implemented with atl. in said component, i have a property fileName. i am hosting this control in IE. when the fileName property is being set using the <PARAM> tag, my put_fileName accessor is not getting invoked (i know for sure, i've got a messagebox in there =). however, when the same property is being set using javascript in an onClick of a button on the same page, the accessor gets invoked and all works fine.

i am stumped. any ideas?

paul

Paul M Watt6-Jul-04 20:59

Paul M Watt

6-Jul-04 20:59

HAve you added a property map entry in this thing:

BEGIN_PROP_MAP(CYourControl)
PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
PROP_ENTRY("HREF", 0, CLSID_NULL)
...
END_PROP_MAP()

Your control will not know what to do with that param tag unless you have specified your property in this map.

Good Luck

Build a man a fire, and he will be warm for a day
Light a man on fire, and he will be warm for the rest of his life!

rusko7-Jul-04 4:27

7-Jul-04 4:27

yep, have it there and still no dice.

-----
BEGIN_PROP_MAP(CMyClass)
PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
PROP_DATA_ENTRY("fileName", m_fileName, VT_BSTR)
PROP_ENTRY("AutoSize", DISPID_AUTOSIZE, CLSID_NULL)
// Example entries
// PROP_ENTRY("Property Description", dispid, clsid)
// PROP_PAGE(CLSID_StockColorPage)
END_PROP_MAP()
-----

also, how would setting the property *through script* work and through <param> not work if this were missing?

thanks for your help though, any more ideas?

paul

Michael Dunn7-Jul-04 10:15

Michael Dunn

7-Jul-04 10:15

<param> tags don't call property setters, your control has to implement IPersistPropertyBag and read the values using that interface. ATL has a IPersistPropertyBagImpl class to do much of the work for you.

--Mike--
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----

rusko7-Jul-04 10:38

7-Jul-04 10:38

thank you! i'll go implement that and report back with the (hopefully positive) result. now *why* have i not been able to find any mention of this while RTFMing? aargh =]

paul

rusko7-Jul-04 14:35

Help Me... atlctrls.h Compile Error...

7-Jul-04 14:35

ok, this worked (somewhat). the plan was to grab the properties i'm interested in from the propertybag and call the property setters (which in turn call the property setters for the controls i'm hosting).

the problem is that neither the hosted controls' nor even my window exist at this point. i got around this by setting a timer, calling the property setters in the timer callback and checking IsWindow() in the property setters. this works fine, albeit at the expense of messy code (some global variable nastiness).

is there a better way of doing this?

paul

mssi6-Jul-04 1:43

mssi

6-Jul-04 1:43

Sample...
MixedWindow Compile Error... Help Me~

ImageList_Read, ImageList_Write.. =.=;;

--------------------Configuration: MixedWindow - Win32 Debug--------------------
Compiling...
StdAfx.cpp
c:\program files\wtl71\include\atlctrls.h(1832) : error C2065: 'ImageList_Read' : undeclared identifier
c:\program files\wtl71\include\atlctrls.h(1832) : error C2440: '=' : cannot convert from 'int' to 'struct _IMAGELIST *'
Conversion from integral type to pointer type requires reinterpret_cast, C-style cast or function-style cast
c:\program files\wtl71\include\atlctrls.h(1943) : error C2065: 'ImageList_Write' : undeclared identifier
Error executing cl.exe.

MixedWindow.exe - 3 error(s), 0 warning(s)

-----------------
StdAfx.h

omission.... "<", ">"
-----------------
/ Add support for ATL/WTL
#define _WTL_NO_AUTOMATIC_NAMESPACE
#include atlbase.h
#include atlapp.h

extern WTL::CAppModule _Module;

#include atlwin.h
#include atlscrl.h

#include atlmisc.h
#include atlctrls.h
#include atlctrlx.h
#include atlddx.h

...

Michael P Butler6-Jul-04 2:01

6-Jul-04 2:01

ImageList_Read[^] and ImageList_Write[^] are both defined in commctrl.h

You will need to ensure that the file is included before atlctrls.h

#include <commctrl.h><br />
#include <atlctrls.h>

Michael

CP Blog [^]

mssi6-Jul-04 2:06

mssi

6-Jul-04 2:06

Thank you...
But...

#include atlmisc.h
#include commctrl.h
#include atlctrls.h
#include atlctrlx.h
#include atlddx.h

Same Error... ㅠ.ㅜ..

--------------------Configuration: MixedWindow - Win32 Debug--------------------
Compiling...
StdAfx.cpp
c:\program files\wtl71\include\atlctrls.h(1832) : error C2065: 'ImageList_Read' : undeclared identifier
c:\program files\wtl71\include\atlctrls.h(1832) : error C2440: '=' : cannot convert from 'int' to 'struct _IMAGELIST *'
Conversion from integral type to pointer type requires reinterpret_cast, C-style cast or function-style cast
c:\program files\wtl71\include\atlctrls.h(1943) : error C2065: 'ImageList_Write' : undeclared identifier
Error executing cl.exe.

MixedWindow.exe - 3 error(s), 0 warning(s)

Michael P Butler6-Jul-04 2:24

6-Jul-04 2:24

I've done a bit of a google for the problem and it seems to be a common issue.

try

#define VC_EXTRALEAN
#define WIN32_LEAN_AND_MEAN
#include <objidl.h>
#include <commctrl.h>

before the atl includes.

Michael

CP Blog [^]

Jörgen Sigvardsson6-Jul-04 9:32

Jörgen Sigvardsson

6-Jul-04 9:32

Hmmm.. can't it be a too low value on #define WIN32_VERSION (or whatever that define is called)?

--
Ich bin Joachim von Hassel, und ich bin Pilot der Bundeswehr.
Welle: Erdball - F104-G Starfighter

Michael P Butler6-Jul-04 9:47

6-Jul-04 9:47

Jörgen Sigvardsson wrote:
Hmmm.. can't it be a too low value on #define WIN32_VERSION (or whatever that define is called)?

Having look through the commctrl.h header, it doesn't appear to be a factor. But then Microsoft Headers aren't the best layed out in the world.

I may have a play when I'm on a machine with WTL installed, but I've not had this problem in the past.

Michael

CP Blog [^]

CStatic text and icon (bitmap) without background

_oti15-Jul-04 12:50

_oti

15-Jul-04 12:50

The problem is (obviously) that ImageList_Read and ImageList_Write are not defined. The reason they're not defined because __IStream_INTERFACE_DEFINED__ is not defined. This is not defined because ObjIdl.h is not included.

ObjIdl.h contains definitions for IStream, which is what the ImageLists are serialised to/from.

There may be some issues with the point at which you include the file, and you may have to a #undef _INC_WINDOWS at some point. There are foggy wisps of memory regarding this, but I'm not sure if it applies to this problem.

Hope this helps,
Phil

--
All things considered, you can't really consider all things ...

Ajnstajn6-Jul-04 1:00

Ajnstajn

6-Jul-04 1:00

Hi,

1. I have to create a CStatic text and I need it to be without background. How can I do it? Can u write a sample code as simple as you can, please?

2. I have to create a CStatic icon (bitmap) and I need it to be without background. How can I do it? Can u write a sample code as simple as you can, please?

Answer this as fast as you can
Thank you veeeeeeeeeerrrrrrrrrrrryyyyyyyyyyy much

Greatfull,
Ajnstajn

Re: CStatic text and icon (bitmap) without background

Alexandru Savescu13-Jul-04 1:59

Alexandru Savescu

13-Jul-04 1:59

Bad forum!

Best regards,
Alexandru Savescu

P.S. Interested in art? Visit this!

[wtl] CDialogImp that uses multiple dialogs?

Tommy2k4-Jul-04 8:02

Tommy2k

4-Jul-04 8:02

How can I make my app just multiple dialogs instead of just the one that is defined in enum { IDD = * } ?

I want to make it so that the window (the displayed dialog Wink | ;-)

) changes when you press a button in the toolbar....

Any help is very welcome Smile | :)

Re: [wtl] CDialogImp that uses multiple dialogs?

Michael P Butler6-Jul-04 2:08