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GetOpenFileName

General and Gameplay Programming Programming

Started by GameDev.net December 30, 1999 04:12 PM

2 comments, last by GameDev.net 24 years, 6 months ago

mordell

122

December 30, 1999 02:48 PM

Hmm...I don't see how the code worked in the first place?

Anyways, I made some adjustments and am reposting the code:

//: changed OFNJaunt references to OFN
//: changed Filename from char * to array of char
//: changed CurDir from char * (LPTSTR) to array of char
//: changed nMaxFile to = sizeof(FileName);
//: Removed lpstrCustomFilter (set to 0L)
//: Set nMaxCustFilter to 0L
//: Set nMaxFileTitle to 0L

OPENFILENAME OFN;
char FileName[255] = { 0 }; //: where
char CurDir[255] = { 0 };

GetCurrentDirectory(100, CurDir);

OFN.lStructSize = sizeof(OPENFILENAME);
OFN.hwndOwner = hwnd;
OFN.hInstance =hInst;
OFN.lpstrFilter = "Object Files (*.cob,*.3ds,*.x)\0*.cob; *.3ds; *.x\0All Files (*.*)\0*.*\0\0";
OFN.lpstrCustomFilter = 0L;
OFN.nMaxCustFilter = 0L;/* not used if lpstrCustomFilter=NULL*/
OFN.nFilterIndex = 0;
OFN.lpstrFile = FileName;
OFN.nMaxFile = sizeof(FileName);
OFN.lpstrFileTitle = NULL;
OFN.nMaxFileTitle = 0; /* ignored if lpstrFileTitle is NULL */
OFN.lpstrInitialDir = CurDir;
OFN.lpstrTitle = "Open The File";
OFN.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
OFN.nFileOffset = NULL;
OFN.nFileExtension = NULL;
OFN.lpstrDefExt = ".cob";
OFN.lCustData = NULL;
OFN.lpfnHook = NULL;
OFN.lpTemplateName = NULL;

if ( GetOpenFileName(&OFN) )
MessageBox(0L, OFN.lpstrFile, "Selected File", MB_OK);
else
MessageBox(0L, "None selected!", "Selected File", MB_OK);

HTH,

-mordell

__________________________________________

Yeah, sure... we are laughing WITH you ...

Anonymous

December 30, 1999 03:24 PM

Hey thanks, I tried the code but I got the same result, the program just closes entirely when I either double click on a file or hit "open" in the dialog box. Also still doesn't return true or false from the function.

Anonymous

December 30, 1999 04:12 PM

I've been trying to get my code that I wrote in Borland to work in MSVC++. here's the code that's giving me problems right now:

OPENFILENAME OFN;
LPTSTR CurDir;
GetCurrentDirectory(100, CurDir);

OFN.lStructSize = sizeof(OFNJaunt);
OFN.hwndOwner = hwnd;
OFN.hInstance =hInst;
OFN.lpstrFilter = NormFilter;
OFN.lpstrCustomFilter = CustFilters;
OFN.nMaxCustFilter = sizeof(CustFilters);
OFN.nFilterIndex = 0;
OFN.lpstrFile = FileName;
OFN.nMaxFile = 500;
OFN.lpstrFileTitle = NULL;
OFN.nMaxFileTitle = 40;
OFN.lpstrInitialDir = CurDir;
OFN.lpstrTitle = "Open The File";
OFNJaunt.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
OFN.nFileOffset = NULL;
OFN.nFileExtension = NULL;
OFN.lpstrDefExt = ".cob";
OFN.lCustData = NULL;
OFN.lpfnHook = NULL;
OFN.lpTemplateName = NULL;

GetOpenFileName(&OFNJaunt);

The call to GetOpenFileName causes the whole program to quit. No message or anything. It doesn't even return True or False. It works in Borland, but not in Microsoft. help?

122

December 30, 1999 04:12 PM

I use:

code:

int TelBytes(const char *FileNaam){	// This opens a file and counts te number of bytes in it,	// if zero, we return -1 (error)	FILE *fp = fopen(FileNaam, "rb");	if (fp == NULL) 		return -1;	int n=0;	while (getc(fp) != EOF) n++;	fclose(fp);	return n;}CString ShowBrowse(const char* const FileType, int OpenSave, HWND m_hWnd, CString Extensie){	// This shows the Open File dialog box	if (OpenSave == 1)  // Show an Open... box	{		static char szFile[256] = "", szFileTitle[256] = "";		static int iLengte = 0;		OPENFILENAME ofn;		memset(&ofn, 0, sizeof(ofn));		const char* const szFilter = FileType;		ofn.lStructSize = sizeof(OPENFILENAME);		ofn.lpstrFilter = szFilter;		ofn.nFilterIndex = 1;		ofn.lpstrFile = szFile;		ofn.nMaxFile = sizeof(szFile);		ofn.lpstrFileTitle = szFileTitle;		ofn.nMaxFileTitle = sizeof(szFileTitle);		ofn.lpstrInitialDir = NULL; 		ofn.hwndOwner = m_hWnd;		ofn.lpstrTitle = "Open file";		if (GetOpenFileName(&ofn))		{			iLengte = TelBytes(szFile);			if (iLengte == -1)			{				MessageBox(m_hWnd, "Unable to open file!", "ERROR", MB_OK | MB_ICONSTOP);				return "";			}			InvalidateRect(m_hWnd, NULL, TRUE);			return CString(szFile);		}	}	else if (OpenSave == 2)  // Show a Save As... box	{		static char szFile[256] = "", szFileTitle[256] = "";		static int iLengte = 0;		OPENFILENAME ofn;		memset(&ofn, 0, sizeof(ofn));		const char* const szFilter = FileType;		ofn.lStructSize = sizeof(OPENFILENAME);		ofn.lpstrFilter = szFilter;		ofn.nFilterIndex = 1;		ofn.lpstrFile = szFile;		ofn.nMaxFile = sizeof(szFile);		ofn.lpstrFileTitle = szFileTitle;		ofn.nMaxFileTitle = sizeof(szFileTitle);		ofn.lpstrInitialDir = NULL; 		ofn.hwndOwner = m_hWnd;		ofn.lpstrTitle = "Save file";		ofn.lpstrInitialDir = NULL;		if (GetSaveFileName(&ofn))		{			CString temp = CString(szFile);			temp.MakeUpper();			if (temp.Right(4) != Extensie )			{				temp += Extensie;							}						return temp;		}	}	return "";}

most of the time........just copied and pasted it right now........but at least it works. For me.......VC++

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