C / C++ / MFC

includeh10 wrote:

how do you get a feeling of "wrong way"?

includeh10 wrote:

typedef struct _ABC
{
//....
}ABC;

how to undef ABC here?

Dengjin_CN wrote:

what's the difference?

#include<stdlib.h>

#include<stdio.h>
#define MAX 1024

int main(int argc,int **argv){
	
	FILE *fsource,*fdest;
	size_t in;
	int buf[MAX];
        char c = 'n';
	fsource = fopen("F:\\a.jpg.rar","rb");
        //-----------Check if file exists---------
        fdest = fopen("D:\\a.jpg","r");
        if(fdest!=NULL){
           fclose(fdest);
           printf("Destination file already exists, do you want to overwrite?\t");
           scanf("%c",&c);
           if(c!='Y' && c!='y'){
                fclose(fSource);
                return 1;
           }  
        }
        //---------------------------------------
	fdest = fopen("D:\\a.jpg","wb");
	if(fsource == NULL || fdest == NULL)
		perror("open error");
	
	while((in = fread(buf,sizeof(int),MAX,fsource)) != 0){
		fwrite(buf,sizeof(int),in,fdest);
		fflush(fdest);
	}
	
	fclose(fsource);
	fclose(fdest);
	
	return EXIT_SUCCESS;
}

afx_msg HBRUSH OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor);

BEGIN_MESSAGE_MAP
......
	ON_WM_CTLCOLOR()
......
END_MESSAGE_MAP()

HBRUSH C***Dlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	
	// TODO: Change any attributes of the DC here
	switch (pWnd->GetDlgCtrlID())
	{
	case IDC_STATIC1:
	case IDC_STATIC2:
		pDC->SetTextColor(RGB(255,0,0));
		break;
	case IDC_STATIC3:
	case IDC_STATIC4:
		pDC->SetTextColor(RGB(0,0,255));
		break;
	}    

	// TODO: Return a different brush if the default is not desired
	return hbr;
}