我目前正在制作一个 win32 应用程序，由于某种原因，当我使用标头保护时，没有什么能像我编写控制台应用程序时那样工作。在我的类文件的顶部，我有一个#ifndef XXX #define XXXXX #endif，我被教导过这是避免多次包含文件所必需的。但是，这使得我的课程都看不到！
我什至不能在 .h 文件中声明一个类并在 .cpp 文件中定义它，.cpp 文件将无法找到类定义！这很奇怪，因为当我右键单击我在 .cpp 文件中编写的类的实例并单击“转到声明”时，它会将我带到正确的 .h 文件！视觉工作室如何带我去它却不知道它在哪里？
这是代码
//ProgramWindows.h
#ifndef PROGRAMWINDOWS_H
#define PROGRAMWINDOWS_H
#include <Windows.h>
//#include "ProcMainMenu.h"
#include "ProgramDefines.h"
class ProgramWindows
{
private:
WNDCLASSEX mainwindow;
WNDCLASSEX doublependulum;
WNDCLASSEX wavesim2d;
WNDCLASSEX wavesim3d;
WNDCLASSEX springsim;
WNDCLASSEX trajectorysim;
public:
ProgramWindows();
WNDCLASSEX & getMainWindow();
WNDCLASSEX & getDoublePendWindow();
WNDCLASSEX & get2DWaveWindow();
WNDCLASSEX & get3DWaveWindow();
WNDCLASSEX & getSpringWindow();
WNDCLASSEX & getTrajecWindow();
};
#endif
//ProgramWindows.cpp
#include <Windows.h>
#include <commctrl.h>
#include "ProgramDefines.h"
#include "ProgramWindows.h"
#include "ProcMainMenu.h"
ProgramWindows::ProgramWindows()
{
//TODO: initialize all of the window member variables to their respective values that will be used in the program.
this->mainwindow.cbSize = sizeof(WNDCLASSEX);
this->mainwindow.lpfnWndProc = (WNDPROC) ProcMainMenu;
this->mainwindow.hInstance = NULL;
this->mainwindow.hbrBackground = BACKGROUNDCOLOR;
this->mainwindow.lpszClassName = TEXT("WaveSimMain");
}
WNDCLASSEX & ProgramWindows::getMainWindow()
{
return this->mainwindow;
}
//.......... continued
//ProcMainMenu.h
#ifndef PROCMAINMENU_H
#define PROCMAINMENU_H
/** This is the callback procedure for the main menu window of our program.
* From this window, the user is able to start any of the 5 sub-simulation programs
* contained in this project. This is basically the callback for the starting point of the
* program.
*/
#include <Windows.h>
#include <string>
#include <sstream>
#include <stdio.h>
#include <commctrl.h>
#include "ProgramDefines.h"
#include "ProgramWindows.h"
LRESULT CALLBACK ProcMainMenu( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
ProgramWindows *ptrWindows = new ProgramWindows();
// switch on msg
switch(msg)
{
case WM_CREATE:
{
//==========================
// IMAGES FOR MAIN MENU BELOW
//==========================
//main menu title static box and image
HWND MainMenuTitleBox = CreateWindowEx (NULL, L"STATIC", NULL, WS_CHILD | WS_VISIBLE | SS_BITMAP, 80 , 0, 0, 0, hwnd, 0, NULL, NULL);
HANDLE MainMenuTitleImage = LoadImage(NULL, L"C://Users//John//Documents//Visual Studio 2012//Projects//CS137 Project//CS137 Project//Pictures//MainMenu", IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
SendMessage(MainMenuTitleBox, STM_SETIMAGE, IMAGE_BITMAP, (LPARAM) MainMenuTitleImage);
}break; //end case WM_CREATE
case WM_DESTROY:
{
delete ptrWindows; // delete the pointer to the ProgramWindows object
}
break;// end case WM Destroy
}// end ProcMainMenu
#endif
//ProgramDefines.h
#ifndef PROGRAMDEFINES_H
#define PROGRAMDEFINES_H
/** This file is used to define aliases for all of the UI elements used in our file.
* In Windows Forms Applications, all UI elements must be represented by a unique interger, to
* allow our code to still be readable, we will define the names of the UI elements here and assign them
* to a unique interger. I don't really like it either, but it's the reccomended way of writing Windows Forms Applications,
* and allows for consistant definitions across all windows in the program
*
*/
#include <Windows.h>
#include <commctrl.h>
//#include "ProgramWindows.h"
//#include "ProcMainMenu.h"
//=========================
//=== COLORS ============
//========================
HBRUSH BACKGROUNDCOLOR = CreateSolidBrush(RGB(0,0,102));// deep blue
HBRUSH TEXTCOLOR = CreateSolidBrush(RGB(255,255,255)); //white
#endif