# include 
INT the CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM); 
Char szClassName []="windowclass1"; 
Char szAppTitle []="Chen"; 
INT PASCAL WinMain (HINSTANCE HINSTANCE, HINSTANCE hPrevInstance, LPSTR lpszCmdParam, INT nCmdShow) 
{
The HWND hMainWnd; 
MSG MSG. 
WNDCLASS myWC; 
if(! HPrevInstance) 
{
MyWC. Style=CS_HREDRAW | CS_VREDRAW; 
MyWC. LpfnWndProc=WndProc; 
MyWC. CbClsExtra=0; 
MyWC. CbWndExtra=0; 
MyWC. HInstance=hInstance; 
MyWC. HIcon=LoadIcon (NULL, IDI_APPLICATION); 
MyWC. HCursor=LoadCursor (NULL, IDC_ARROW); 
MyWC. HbrBackground=GetStockObject (WHITE_BRUSH); 
MyWC. LpszMenuName=NULL; 
MyWC. LpszClassName=szClassName; 
} 
HMainWnd=CreateWindow (
SzClassName, 
SzAppTitle, 
WS_OVERLAPPEDWINDOW, 
CW_USEDEFAULT CW_USEDEFAULT, 
CW_USEDEFAULT CW_USEDEFAULT, 
NULL, NULL, hInstance, NULL); 
ShowWindow (hMainWnd SW_SHOWMAXIMIZED); 
UpdateWindow (hMainWnd); 
While (GetMessage (& amp; MSG, NULL, 0, 0)) 
{
TranslateMessage (& amp; MSG); 
DispatchMessage (& amp; MSG); 
} 
Return MSG. WParam; 
} 
INT the CALLBACK WndProc (HWND hMainwnd, UINT message, WPARAM WPARAM, LPARAM LPARAM) 
{
Char messageleft []="the left button have had pushed"; 
Char messageright []="the right button have had pushed"; 
The switch (the message) 
{
Case WM_RBUTTONDOWN: 
{
Messageright MessageBox (GetFocus (), "Chen", MB_OK | MB_ICONINFORMATION); 
break; 
} 

Case WM_LBUTTONDOWN: 
{
Messageleft MessageBox (GetFocus (), "Chen", MB_OK | MB_ICONINFORMATION); 
break; 
} 
Case WM_DESTROY: 
{
The PostQuitMessage (0); 
return 0; 
} 
Default: 
break; 
} 
Return DefWindowProc (hMainwnd, message, wParam, lParam); 
} 

Configuration: progect4 - Win32 Debug -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
The Compiling...
4.1. The CPP
F: \ software c + + 6.0 6.0 \ progect4 \ \ c + + Book 4.1 CPP (13) : error C2440: '=' : always convert from 'int (__stdcall *) (struct HWND__ *, unsigned int, unsigned int, long)' to 'long (__stdcall *) (struct HWND__ *, unsigned int, unsigned int, long)'
This conversion requires a reinterpret_cast, a C - style cast the or function - style cast
F: \ software c + + 6.0 6.0 \ progect4 \ \ c + + Book 4.1 CPP (19) : error C2440: '=' : always convert from 'void *' to 'struct HBRUSH__ *'
Conversion from 'void * to pointer to non -' void 'requires an explicit cast
Error executing cl. Exe.

4.1. Obj - 2 error (s), and 0 warning (s)

CodePudding user response:

Not INT the CALLBACK WndProc
Long WINAPI WndProc

# define CALLBACK __stdcall
# define WINAPI __stdcall
# define WINAPIV __cdecl
# define APIENTRY WINAPI
# define APIPRIVATE __stdcall
# define PASCAL __stdcall
Yong WINAPI

CodePudding user response:

LRESULT a CALLBACK WndProc (HWND hMainwnd, UINT message, WPARAM WPARAM, LPARAM LPARAM)

CodePudding user response:

To learn Sun Xin video, simulation of the MFC window the boot process,

CodePudding user response:

This information has ah, hint of clear, don't understand

CodePudding user response:

A bit dizzy dizzy