C / C++ / MFC

Mike Certini wrote:

What is happening is that after I select two menu selections or two loops of the while statement the program skips over the scanf statement.
Can someone help me with this issue?

switch (type) {
	//other cases
	case 'q':
		break;
	default:
		break;
}

#include <conio.h> //for _getch()

//#defines

int main() {
	//declare variables
	while (ordercom == 'Y') {
		//printf ...
		type = _getch(); //get a single character
		putc(type, stdout); //print that character to stdout
		if (type == 'q') {
			break;
		}
		scanf("%f",&pounds);
		switch (type) {
			//other cases
			default:
				ordercom = 'N'; //Is this really what you want? this will close the program if they make the wrong choice
				break;
		}
	}
}

#include <stdio.h>
#include <conio.h> 

#define Artichoke 1.25
#define Beets .65
#define Carrots .89
#define Discount .05
#define Shipping1 10.00
#define Shipping2 8.00

int main(void)
	{
	char ordercom;
	char type;
	float pounds;
	float gross;
	float poundTot = 0;
	ordercom = 'Y';
	while(ordercom == 'Y')
		{
		printf("*******************************************************************************************************************\n");
		printf("Determine What You Want To Buy\n");
		printf("1) (a)\t	Artichokes\t		        3) (c)\t   Carrots\n");
		printf("2) (b)\t	Beets\t				4) (q)\t   Quit\n");
		printf("*******************************************************************************************************************\n");
		printf("\n");
		printf("Select The Type Of Vegetable You Want:\n");
		scanf("%c",&type);
		fflush(stdin);
		printf("Select The Amount Of Pounds You Want To Purchase:\n");
		scanf("%f",&pounds);
		fflush(stdin);
		switch(type)
			{
			case 'a' :
				{
				gross = pounds * Artichoke;
				ordercom = 'Y';
				break;
				}
			case 'b' :
				{
				gross = pounds * Beets;
				ordercom = 'Y';
				break;
				}
			case 'c' :
				{
				gross = pounds * Carrots;
				ordercom = 'Y';
				break;
				}
			case 'q' :
				{
				ordercom = 'N';
				break;
				}
			default  :
				{
				ordercom = 'N';
				break;
				}
			}
		}
	
	}

// Mimic OnUpdate... for each item.
CCmdUI cmdUI;
cmdUI.m_pMenu = pPopup;
cmdUI.m_pSubMenu = NULL;
cmdUI.m_nIndexMax = pPopup->GetMenuItemCount();
for (int i = 0; i < pPopup->GetMenuItemCount(); ++i)
{
	cmdUI.m_nID = pPopup->GetMenuItemID(i);
	if (cmdUI.m_nID != ID_SEPARATOR)
	{
		cmdUI.m_nIndex = i;
		cmdUI.DoUpdate(this, cmdUI.m_nID < 0xF000);
	}
}

Niklas Lindquist wrote:

cmdUI.DoUpdate(this, cmdUI.m_nID < 0xF000);

pSubMenu->TrackPopupMenu(TPM_LEFTALIGN, pt.x, pt.y, AfxGetMainWnd());

HANDLE hFile = CreateFile("C:\\test", GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile != INVALID_HANDLE_VALUE) {
	SetFilePointer(hFile, 4 * 1024 * 1024, NULL, SEEK_SET); //seek to 4MB (pre-allocate 4MB)
	SetEndOfFile(hFile); //set the EOF to pre-allocate the space
	SetFilePointer(hFile, 0, NULL, SEEK_SET); //seek back to the start for writing
	//write to the file with WriteFile()
	CloseHandle(hFile);
}

SetFilePointer(hFile, 0, NULL, SEEK_END); //If you want to append to the end of the entire file (including after the pre-allocated space)
SetFilePointer(hFile, nDataLength, NULL, SEEK_SET); //if you are keeping track of the length of the data you have written to the file with the variable nDataLength

LPSTR szWrite = "hello world";
DWORD nLength = strlen(szWrite);
DWORD nBytesWritten;
WriteFile(hFile, szWrite, nLength, &nBytesWritten, NULL);
CloseHandle(hFile);