C / C++ / MFC

DavidCrow wrote:

Are you sure this is what you want, since CString has no virtual destructor?

toxcct wrote:

you don't add it any functionnality

toxcct wrote:

you'll have to redefine all the operators that are not declared virtual in the CString class

Stephen Hewitt wrote:

No you wont. They'll be inherited.

CStr t;
t = _T("hello world");

Alex Cutovoi wrote:

Why it returns 1?

<br />
float fVertexes[6];<br />

<br />
fVertexes[0] =  1.0;<br />
fVertexes[1] =  0.0;<br />
fVertexes[2] = -1.0;<br />
fVertexes[3] =  1.0;<br />
fVertexes[4] = -1.0;<br />
fVertexes[5] = -1.0;<br />

<br />
primitive.Shape(GL_TRIANGLES, fVertexes, 1,1,1);<br />

typdef struct _double_array
{
double array[9];
int nCount;
} DOUBLE_ARRAY, *LPDOUBLE_ARRAY;

int i = 0;

float stackArray[5];
i = sizeof(stackArray) / sizeof(stackArray[0]);	// i is 5
// sizeof(stackArray) will return (5 * sizeof(float))
// sizeof(stackArray[0]) will return sizeof(float)

float* heapArray = new float[5];
i = sizeof(heapArray) / sizeof(heapArray[0]);	// i is 1
// sizeof(heapArray) will return sizeof(float*)
// sizeof(heapArray[0]) will return sizeof(float)

// Interesting Note (forget bounds errors here)
int myFunction(float* myArray)
{
	return sizeof(myArray) / sizeof(myArray[0]);
}
// above function will return heap results regardless of where
// the float array is actually allocated (that is, always 1)

Veeresh Hiremath wrote:

pops up an MDI child window