C / C++ / MFC

Re: use mfc open "*.ppt"--can "use" the ppt

9-May-12 21:13

yes,you can use win32 and api!
but it's best to use mfc
like:
you check a button,the dlg can show the "ppt" files

David Crow10-May-12 2:37

David Crow

10-May-12 2:37

wangafei wrote:
but it's best to use mfc

MFC has no such mechanism for what you are after. Use ShellExecute() as has been suggested.

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Re: use mfc open "*.ppt"--can "use" the ppt

Malli_S10-May-12 0:55

Malli_S

10-May-12 0:55

[Delegates] [Virtual Desktop] [Tray Me !]

-Malli...!

creating a dialog in non mfc application

Rajeev.Goutham9-May-12 21:01

Rajeev.Goutham

9-May-12 21:01

HI,

I have an application in which is not using mfc.But i got a requirement that i need to create and display a dialog box. Existing application is a Regular DLL.

Thanks & Regards,
Rajeev

ThatsAlok9-May-12 21:11

ThatsAlok

9-May-12 21:11

Since it regular DLL, i am guessing you are looking for pure win32 based solution (NOT ATL based): some of these article might help you!

Writing Win32 Apps with C++: V2 - part 1[^]
Scrollable Dialog in Pure Win32 API[^]
Win32 Tips and Tricks[^]

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow
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cheers,
Alok Gupta
VC Forum Q&A :- I/IV
Support CRY- Child Relief and You

wangafei9-May-12 21:15

9-May-12 21:15

it's a good idea,but mfc si the best!

Rajeev.Goutham9-May-12 21:22

Rajeev.Goutham

9-May-12 21:22

HI Alok,

Problem is existing application in non mfc. for displaying a small dialog do i need to make that existing application also Mfc one. please guide.

Thanks,
Rajeev

ThatsAlok9-May-12 22:57

ThatsAlok

9-May-12 22:57

Rajeev.Goutham wrote:
Problem is existing application in non mfc. for displaying a small dialog do i need to make that existing application also Mfc one. please guide.

No not necessary, you can create dialog box in non-mfc environment also. MFC is just wrapper around win32 based apis

cheers,
Alok Gupta
VC Forum Q&A :- I/IV
Support CRY- Child Relief and You

wangafei10-May-12 16:40

10-May-12 16:40

yes! mfc can use api and win32
so you can do anything without mfc
but it's not easy

ThatsAlok10-May-12 19:57

ThatsAlok

10-May-12 19:57

wangafei wrote:
yes! mfc can use api and win32

so you can do anything without mfc

but it's not easy

Agreed, however it's the project choice to utilize services of MFC or not. if the project is targeted to basic win32, then let it be.. anybody who can program in MFC can program in win32 too.

cheers,
Alok Gupta
VC Forum Q&A :- I/IV
Support CRY- Child Relief and You

Rajeev.Goutham9-May-12 21:24

Rajeev.Goutham

9-May-12 21:24

Thanks Alok, will check that.

Thanks,
Rajeev

Drawimage

john56329-May-12 2:09

9-May-12 2:09

I am trying to draw image using bitblt method. When I try to

CBitmap bitmap;
bitmap.LoadBitmap(IDB_BITMAP1);

it works and image is getting drawn but when I use

Bitmap *bitmap = Bitmap::FromFile(L"d:\\Projects\\res\\state.bmp");

It does not draw any image...

Pleas help to sort out the problem. I need to draw image directly from path, not from resource and using bitblt only..

Anu_Bala9-May-12 2:19

9-May-12 2:19

I coded like this for my application.

C++

CString  bmpFilePath;
HBITMAP hBmp;
hBmp = (HBITMAP)::LoadImage(NULL,bmpFilePath,IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION);
CBitmap bmp;
bmp.Attach(hBmp);
CDC dcImage;
if(!dcImage.CreateCompatibleDC(pDC))
return;
BITMAP bm;
CBitmap* pOldBitmap;									
bmp.GetBitmap(&bm);  				
pOldBitmap = dcImage.SelectObject(&bmp);  				
pDC->BitBlt(350,100, bm.bmWidth, bm.bmHeight, &dcImage, 0, 0, SRCCOPY);
dcImage.SelectObject(pOldBitmap);

Anu

Message Removed

9-May-12 2:28

9-May-12 2:28

Message Removed

Anu_Bala9-May-12 2:36

9-May-12 2:36

Check bmp file is avaialble in folder.Otherwise it returns NULL.

Anu

john56329-May-12 2:35

9-May-12 2:35

Thanks its working...but what I need to change in code If I load a png/jpg image...

enhzflep9-May-12 2:51

enhzflep

9-May-12 2:51

I use this code

C++

// BMP, GIF, JPEG, PNG, TIFF, Exif, WMF, and EMF
HBITMAP mLoadImg(WCHAR *szFilename)
{
    HBITMAP result=NULL;

    Gdiplus::Bitmap* bitmap = new Gdiplus::Bitmap(szFilename,false);
    bitmap->GetHBITMAP(NULL, &result);
    delete bitmap;
    return result;
}

Note: You have to startup and shutdown the GDI+ system. I usually do this in apps initialization and destruction (winmain or main if not mfc apps)

C++

int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
{
    Gdiplus::GdiplusStartupInput gdiplusStartupInput;
    ULONG_PTR gdiplusToken;
    Gdiplus::GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);

    hInst = hInstance;
    InitCommonControls();
    // The user interface is a modal dialog box
    DialogBox(hInstance, MAKEINTRESOURCE(DLG_MAIN), NULL, (DLGPROC)DialogProc);
    Gdiplus::GdiplusShutdown(gdiplusToken);
}

ThatsAlok9-May-12 21:13

ThatsAlok

9-May-12 21:13

MFC by default support only BMP file, however you can take services of different library that suits your need, one of them is gdiplus, search Google for more information

cheers,
Alok Gupta
VC Forum Q&A :- I/IV
Support CRY- Child Relief and You

Chris Meech9-May-12 2:49

Chris Meech

9-May-12 2:49

You've not shown the code that actually draws the image, but I'll take a guess at the problem. In your first code snippet, it is a CBitmap instance that will be used for drawing. In your second snippet, it is a pointer to a Bitmap instance that is used. Your drawing code will need to be adjusted accordingly. Smile | :)

Chris Meech
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john56329-May-12 2:54

9-May-12 2:54

, basically my motive is to draw image (png/jpg) using bitblt...I will adjust code accordingly.

Anu_Bala9-May-12 18:09

9-May-12 18:09

See this link.It may help you.

http://stackoverflow.com/questions/2490661/how-to-load-png-jpeg-images-using-mfc[^]

Anu

john56329-May-12 20:15

9-May-12 20:15

Thank you for help...I am able to draw image.

I need your help in one more problem as described below:

I need to draw image on the screen using XOR so that diff of 2 images can be draw as a complete image. How to solve this?

wangafei9-May-12 21:03

9-May-12 21:03

first you can get the path,then set ID and path link！
so，your first method can do it

Split window in MDI

Anu_Bala8-May-12 19:21