C / C++ / MFC

rp_suman wrote:

What is happening if you are not calling SetFocus() in OnInitDialog()?

kcynic wrote:

I add the OnContexMenu message to the TreeCtrl class

Roman957 wrote:

but can i add two strings together for a function?

int main(void)
{
   char* one = "hello ";
   char* two = "world!";
 
   char buffer[16];
   strcpy(buffer, one);  // copy string "one" to buffer
   strcat(buffer, two);  // append string "two" to buffer
 
   myFunc(buffer);
}

danscort yu wrote:

But I really want to know why return 2 ?

danscort yu wrote:

I reset socket receive buffer size

int Class::DoIt(float x, char y, char z)
{
   return 0;
}
...
typedef int (Class::*ClassDoItPtr)(float, char, char);
...
//void PassPtr(int (Class::*pt2Func)(float, char, char)) or
void PassPtr(ClassDoItPtr pt2Func)
{
   //ClassDoItPtr pt2Func = &Class::DoIt;
 
   Class classobject();
   int result = (classobject.*pt2Func)(12, 'a', 'b');
}

void Class::PassPtr(int (Class::*pt2Func)(float, char, char))
{
   int result = (this->*pt2Func)(12, 'a', 'b');
}

Cyrilix wrote:

You first create the function pointer from the existing this object. Then you create a new
object of the same type as this, and you try to call the function pointer from the newly created
object. Are you sure that works? Wouldn't you have to create the new object first?