class TestClass
{
public:
TestClass(){m_Width = 0;}
~TestClass(){}
unsigned int Width(){ return m_Width; }
void Width(unsigned int width){ m_Width = width; }
private:
unsigned int m_Width;
};
TestClass object;
if (object.Width > 0)
{ ... }
else
{ ... }
Quote:It's correct behvaior, but obviously not what you wanted. What it's actually doing is comparing the function istelf (a pointer to that function) to zero.
#include <iostream>class TestClass{public: TestClass(){m_Width = 0;} ~TestClass(){} unsigned int Width(){ return m_Width; } void Width(unsigned int width){ m_Width = width; }private: unsigned int m_Width;};int main(){ TestClass object; if (object.Width > 0) { std::cout << "TRUE"; } else { std::cout << "FALSE"; }}1>.\Main.cpp(16) : error C3867: 'TestClass::Width': function call missing argument list; use '&TestClass::Width' to create a pointer to memberclass TestClass{public: TestClass(){m_Width = 10;} ~TestClass(){} unsigned int Width(){ return m_Width; } void Width(unsigned int width){ m_Width = width; }private: unsigned int m_Width;};// TestClass.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include "TestClass.h"int _tmain(int argc, _TCHAR* argv[]){ TestClass object; bool success; if (object.Width > 0) { success = true; } else { success = false; } return 0;}------ Build started: Project: TestClass, Configuration: Debug Win32 ------Compiling...stdafx.cppCompiling...TestClass.cppCompiling manifest to resources...Linking...Embedding manifest...Build log was saved at "file://c:\3dEngine\Test\TestClass\TestClass\Debug\BuildLog.htm"TestClass - 0 error(s), 0 warning(s)========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========success = false// stdafx.h : include file for standard system include files,// or project specific include files that are used frequently, but// are changed infrequently//#pragma once#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers#include <stdio.h>#include <tchar.h>// TODO: reference additional headers your program requires here//... object has just been constructed (eax=this)0040103E xor eax,eax 00401040 je main+18h (401048h) // else
