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ok, i added the setscrollrange function to my code for both scrollbars.
Now i want the they appear only when i load an image that is larger than the window. I see that exist the ShowScrollBar function, but it give me a runtime error, always!I put the code in the precreatewindow of the childFrm class.
can you explain me?
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I am using the Win32 toolbar common control in some code. When I resize the window that the toolbar is parented to it flickers. Is there any way to stop this?
The toolbar's parent window is created with no brush, and returns false for WM_ERASEBKGND. Is there some thing special about the way I need to handle the toolbar itself?
Thanks
¡El diablo está en mis pantalones! ¡Mire, mire!
Real Mentats use only 100% pure, unfooled around with Sapho Juice(tm)!
SELECT * FROM User WHERE Clue > 0
0 rows returned
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I checked, and all of my controls have the WS_CLIPCHILDREN bit set, the main window, and the any custom child control's that get created (the toolbar's parent is a custom child control)
¡El diablo está en mis pantalones! ¡Mire, mire!
Real Mentats use only 100% pure, unfooled around with Sapho Juice(tm)!
SELECT * FROM User WHERE Clue > 0
0 rows returned
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Hey there
I've just started to learn programming and using visual basic 6 (teaching myself) would really appreciate it if someone could explain to me how it is that variables work and exactly how to use them as this part has got me stumped.
Thanx a million
Style
Work hard, Play hard
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since this is a VB6 Q.
you should send it to the vb forum not vc++
anyway :
you use variables to store some data in memory for processing...
for example..
dim a as single
dim b as single
dim c as single 'here i made 3 place holders in memory for single variables.
a=CSng(Text1.Text) 'read data from Text1 into memory location called a
b=CSng(Text2.Text) 'read data from Text1 into memory location called b
c=(a+b)/2 'get the avarage of the two numbers and store it in c for latter use
MsgBox c 'use the variable c
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hi...
I've to much deep child to which i want to sen msg. from mainfrm class..
as there r some RUNTIME_CLASS...
so can't understand how to pass msg. from mainframe to that class..
can anybody help me..
I've hint as v may need to use FindWindow..But can't get solution yet from tweo days..
can anybody help?
THanks
---Sumit Kapoor--- sumit_kapoor1980@hotmail.com
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You have asked this question before. A quick look in MSDN will reveal a host of functions that you could use to find the CWnd pointer to the window you want to send the message to. Look up CWnd, CFrameWnd, CSplitterWnd, CView, and CDocument. Read what each of the member functions does, and find the ones that will do what you want.
"You're obviously a superstar." - Christian Graus about me - 12 Feb '03
"Obviously ??? You're definitely a superstar!!!" mYkel - 21 Jun '04
Within you lies the power for good - Use it!
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Hello every body
I'm writting a GUI TOol Kit for MFC control, for every controls of MFC
CButton,... I replace with CBMSButton... and i use the
DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) function to draw.
IT work fine with button,Titlebar, CheckBox, Radio
But with CComboBoxEx i replace with CBMSComboBox and i call DrawItem
but this function isn't called. I don't know why ?
Please help me. Thank so much
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I have had to use the CBS_OWNERDRAWVARIABLE style instead of the CBS_OWNERDRAWFIXED style to get the DrawItem function to work. I do not know why CBS_OWNERDRAWFIXED did not work.
"You're obviously a superstar." - Christian Graus about me - 12 Feb '03
"Obviously ??? You're definitely a superstar!!!" mYkel - 21 Jun '04
Within you lies the power for good - Use it!
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Hi,
I want to use SMTP (sendmail) to send email where the body is an HTML document rather than plain text, is this possible and if so how do I go about doing it? I haven't been able to find any sample code other than plain text emails.
Regards
Robert Cooper
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HTML is "plain" text, you send it the same way as an unformatted text message. Just change the "Content-type:" header from "text/plain" to "text/html".
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In a dll, I define a class in the following way:
<br />
class _declspec(dllexport) jalla {<br />
std::list<int> m_mesh;<br />
};<br />
but when I try to compile it, I get the warning:
<br />
e:\Work\C++\Project\3DGame\3DSLoader.h(19) : warning C4251: 'jalla::m_mesh' : class 'std::list<_Ty>' needs to have dll-interface to be used by clients of class 'jalla'<br />
with<br />
[<br />
_Ty=int<br />
]<br />
what is happening?
øivind
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the class is like this:
class _declspec(dllexport) jalla {
std::list<int> m_mesh;
};
øivind
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It means that the instance std::list<int> needs to have a dllexport attribute on it in order to be safely usable by clients. Just like you are tagging jalla with dllexport.
As you may understand, exposing STL datatypes through a DLL interface is not easy. I don't know any good workarounds for it, other than using a non templated and exportable type/class. Sorry. 
--
Ich bin Joachim von Hassel, und ich bin Pilot der Bundeswehr.
Welle: Erdball - F104-G Starfighter
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does anyone know of a tutorial that explains pipes and how to use them
please dont refer to me the MSDN CD.
if i had it, dont you think i would use it?
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MSDN, as per Elaine's reply above, is probably the best starting point, especially here[^], but a bit closer to home, you could also try this article [^]or this one[^].
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Im trying to find a good way to minimize a game(full screen) when I press a key combination like alt + tab, but it needs to workin in windoes xp. I can't seem to find an appropriate function to use for this. any suggestions?
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You can use GetAsyncKeyState() or GetKeyState() to test for th keys
then you can GetTopWindow() or GetActiveWindow() something like that i dont remember which it is
to get a handle to the active window,
and then call CloseWindow() (it doesnt actually close it it just minimizes it)
if you need help with it just let me know, it shouldnt take me a few minutes to write the whole thing
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Ok well im getting somewhere but not quite doing what i need. Here is what im trying to do:
Build a simple app the runs in the background while I play a full screen game. The game does not have an minimize ability. So I want to have my app minimize the game when I press Ctrl+Z.
So far I have been able to get it to work (sort of) but only for windows and not the full screen game that I want to minimize. I'm using GetAsyncKeyState() to test the keys and GetForegroundWindow() to get the handle to the active window then just use CloseWindow() to minimize. But this does not seem to work for full screen apps. Any suggestions?
Thanks for the help.
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Well, you could also use ShowWindow() to hide and show it,
here is what i would do
in the main thread set a HWND variable to 0 by default, continously loop and test for CTRL+Z
if CTRL+Z is pressed and the variable is 0, then call GetForegroundWindow() and store its hwnd in the variable, and hide the window
if the variable is not empty then show the window and set the variable back to 0
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HI~
I would like to ask
How do I change the data in C++ dll by a C# program?
I have ever tried this.
I wrote a dll with VC++. There is a variable in the dll (e.g "m_string"). "m_string" is a LPCTSTR type and it's inital value set by constructor is _T("Hello World"). I also wrote a function for setting the variable. The function is declared like this:
extern "C" _declspec(dllexport) void set(LPCTSTR s)
{
m_string = s;
}
Afterward, I wrote a C# dll assembly. The C# dll import the dll written by C++. The import the dll like this:
#region DLLImports
[DllImport("Test.dll")] //test is the C++ dll filename
private static extern void Set(string s);
#endregion
Finally, I wrote a form to call the method "Set". After the method have finished executing, the value "m_string" does not change. The "m_string" is still "Hello World".
My question is, how to change a variable in dll permanently by a C# library or exe?
Thanks
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I want to creat a SubDialog dynamically,but not use the method of importing a dialog in the resource,what should I do?
Thanks a lot
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