|
Here's another link (very close to Chris' first link)...
Kinds of DLLs[^]
Mark
Mark Salsbery
Microsoft MVP - Visual C++
|
|
|
|
|
Chris Losinger wrote: but if you want to export C++ classes, you'll really should use an MFC extension DLL.
If the DLL uses MFC otherwise a simple DLL will suffice.
|
|
|
|
|
Hi,
I want to add drop shadow to a child window...
please help me.
thank you.
Every new thing you learn,Gives you a new personality.
|
|
|
|
|
I will assume you're using MFC:
BOOL CShadowDlg::OnInitDialog()
{
CDialog::OnInitDialog();
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
SetIcon(m_hIcon, TRUE);
SetIcon(m_hIcon, FALSE);
::SetClassLong(
GetSafeHwnd(),
GCL_STYLE,
::GetClassLong(GetSafeHwnd(), GCL_STYLE) | CS_DROPSHADOW
);
return TRUE;
}
Note that CS_DROPSHADOW requires a Windows version >= XP.
Note that after this code is run ALL dialogs will have shadows!
Steve
|
|
|
|
|
Is it possible to set drop shadow for controls ?
|
|
|
|
|
I don't think so. You could always implement this functionality yourself however.
Steve
|
|
|
|
|
I used this in my dialog, After that try to hide the dialog, Dialog is hiding but the shadow is not hiding. I am using ShowWindow(SW_HIDE).
|
|
|
|
|
Hi,
I'm implementing an simulator and the user interacts with an image reflected in a mirror. How can I do this reflection, how can I flip or change this 3d world?
I'm using C++ language with Opengl and OpenHaptics (Phantom Omni library).
Regards,
|
|
|
|
|
You would be better off reading the docs for OpenGL since your question is more related to interacting with the OpenGL graphic drivers than C or C++.
Waldermort
|
|
|
|
|
Hi,
I am trying to debug a dll project on VC++ 6.0. Dll file is loading dynamically in the executable (Win32 Console Application) by LoadLibrary API and calling functions by using function pointers. How can I debug this DLL file?
Thank you.
Orkun GEDiK
Senior SAP R/3 Basis and Development Consultant
ASTRON
|
|
|
|
|
You can specify a executable to be stared when you want to debug your dll. I don't remember exactly where it was for VC6 but it was somewhere in the project properties.
|
|
|
|
|
Hi Cédric,
I tried that method before, but didn't work. This is because, as I emphasised in the message, "DLL is loading by LoadLibrary API" in executable. Is there any other suggestion?
Thank you.
Orkun GEDiK
Senior SAP R/3 Basis and Development Consultant
ASTRON
|
|
|
|
|
In MSDEV take Build->Start Debug->Attach To Process. You can see the running process, from which u can select the application which loaded ur dll. open the cpp of ur dll and u can insert breakpoint and can debug.
Another way: On Process tab of Task manager right the exe application, which load the dll, and select debug. MsDEV will open, then u can insert break point on ur dll's cpp file and can debug.
AJay
|
|
|
|
|
At the entry point of your DLL include a api call to DebugBreak()
|
|
|
|
|
Thank you. Is there any way to see C code instead of assembly?
Orkun GEDiK
Senior SAP R/3 Basis and Development Consultant
ASTRON
|
|
|
|
|
Do you have the .PDB file generated during the build of the dll otherwise enable generation of debug info which can be for release or debug. Try using a DEebug build if you are struggling.
Try using WinDebug rather than Visual studio, allthough it does have a learning curve.
|
|
|
|
|
Thank you for your precious feedback. Of course, I have PDB file for executable and dll files. By using this file, can I debug dll file in WinDbg? If I can, how to?
Thank you.
Orkun GEDiK
Senior SAP R/3 Basis and Development Consultant
ASTRON
|
|
|
|
|
WinDbg has a symbol search path and a source search path. both of these need to be set up correctly. You can also download symbols for windows DLL's for various OS. You can also specify a debugger for any executable image which will get loaded automatically when the program executes. Very useful for debugging services.
"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options"
create a key called "debugger" with a value like
"C:\Program Files\Debugging Tools for Windows\windbg.exe" -g
|
|
|
|
|
Hi Ajay,
I can't attach to the process, because of dll is calling at the begining of the fork.
Thank you.
Orkun GEDiK
Senior SAP R/3 Basis and Development Consultant
ASTRON
|
|
|
|
|
Hi,
I am trying to plot the wavform of wav file.In my case the wavfile consists of 6112 samples and having 8 bits per sample.byterate is 4395 bytes /s.Roughly it is equal to about 1.39 seconds of sample data.I want to plot this giving time on x axis and the sample amplitude on y axis.
I am not able to normalize such that 6112 samples can be represented on the scale of 0 to 1.39 seconds.Any hints or suggestions are welcome.
Regards,
Mayank
|
|
|
|
|
What exactly is your problem?
To calculate the X (-time) axis of the spectrum from the sample rate and the sample number?
time = samplerate * sampleno
Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal. George Orwell, "Keep the Aspidistra Flying", Opening words
|
|
|
|
|
To plot this properly you need to establish the range of values represented by each x-axis pixel and then plot a vertical line. Unless the plot area allows more than one pixel per sample.
struct Plot
{
int y_min;
int y_max;
}
samples_per_xaxis_pixels = number_of_samples / display_width;
Plot * plot_array = new Plot[ display_width / number_of_samples ];
for(int x=0,i=0;x<number_of_samples;i++,x+=samples_per_xaxis_pixels)
{
int y_min = INTMAX;
int y_max = -INTMAX;
for(i=x;i<x+samples_per_xaxis_pixels;x++)
{
plot_array[i].y_min = samples_array[x]<plot_array[i].y_min?samples_array[x]:plot_array[i].y_min;
plot_array[i].y_max = samples_array[x]>plot_array[i].y_max?samples_array[x]:plot_array[i].y_max;
}
}
And then plot it !
|
|
|
|
|
Hi,
Thanks for your reply.Actually in my case the samples=6112(with wach sample amplitude value between 0 and 255) and on x axis i have to represent these 6112 samples in a total of 1.39 seconds.Roughly if i divide x axis into parts of 100 ms then there are 13 such parts in which i have to divide 6112 samples,so if the display_width in the above case comes out to be 13 .
Thanks and Regards,
Mayank
|
|
|
|
|
I am developing an application that saves files as different file types. I am concerned with the .XML. How do you modify the tooltip when the operator hovers his/her mouse over the file if the file type is .XML? The XML document is defaulted to display the type, date modified, and size in the infotip (tooltip). Is there any programming I can do using C++/MFC to modify these contents? I have been told look into using shell scripting, but this application is to be installed on other machines with Windows XP.
|
|
|
|
|
What context is the user hovering over the file in Explorer or in you own application ?
|
|
|
|