C / C++ / MFC

bob16972 wrote:

You need to include a security section in your manifest file to prevent Registry and File Virtualization for your application (or have the user turn User Access Control [UAC] off).

EliottA wrote:

So you include the variable name in the function definition?

Chris Losinger wrote:

but it's really handy to people who want to use the function.

void f(int, int, double, double, int, int& );
void f(int a, int b, double aa, double bb, int g, int& r){}

EliottA wrote:

& int x;
int & x;
int &x;

void FuncRef(int &n)
{
	n = 0;
}

void FuncNormal(int n)
{
	n = 4;
}

void _tmain(int argc, _TCHAR* argv[])
{
	int i = 10;
	int &Ref = i; //Ref now refers to the variable i. If you change the value of Ref, i will change as well (and vice versa).
        //int &Ref2; //This line, if enabled, won't compile. Because Ref2 is not initialised properly.
	cout<<Ref<<endl; //Will display 10. Because Ref is a reference to i.
	Ref = 2;
	cout<<i<<endl; //Will display 2. Because Ref was changed to 2, but Ref itself is referring to i.
	FuncRef(i);
	cout<<i<<endl; //Will display 0. Because the function takes the parameter as a reference and has modified it!
	FuncNormal(i);
	cout<<i<<endl; //Will still display 0. Because FuncNormal does not take the parameter as reference.
	
}

kumar sanghvi wrote:

...how can i increase the rect size...

CString s = L"मैं हिन्दी नहीं बोल सकता हूँ।";
CRect rc;
DrawText (s, &rc, DT_CALCRECT);