The code is as follows:
# include & lt; Windows. H>
# include & lt; Commctrl. H>
# include & lt; stdio.h>
# include "resource. H"

# define DLG_MAIN 100
# define IDCANCEL 1003
# define IDOK 1004

Void MESSAGE ();

HINSTANCE hInst,

BOOL CALLBACK DlgMain (HWND hwndDlg, UINT uMsg, WPARAM WPARAM, LPARAM LPARAM)
{
The switch (uMsg)
{
Case WM_INITDIALOG:;
Return TRUE;

Case WM_CLOSE:
{
EndDialog (hwndDlg, 0);
}
Return TRUE;

Case WM_COMMAND:
{
The switch (LOWORD (wParam))
{
Case IDCANCEL:;
Case IDOK:;
}
}
Return TRUE;
}
Return DefWindowProc (hwndDlg uMsg, wParam, lParam);
}


Int WinMain (HINSTANCE HINSTANCE, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
{
HInst=hInstance;

HWND HDLG=CreateDialog (hInst, MAKEINTRESOURCE (DLG_MAIN), GetDesktopWindow (), DlgMain);
//RegisterClassA (& amp; HDLG);
if (! HDLG)
{
GetLastError ();
MessageBox (NULL,
"Call to CreateDialog failed!" ,
"Windows Desktop Guided Tour",
NULL);
return 1;
}

ShowWindow (HDLG, SW_SHOW);
UpdateWindow (HDLG);
The MESSAGE ();

return 0;//DialogBox (hInst, MAKEINTRESOURCE (DLG_MAIN), NULL, DLGPROC DlgMain);
}


Void MESSAGE () {
MSG MSG={0};
While (GetMessage (& amp; MSG, NULL, 0, 0)) {
TranslateMessage (& amp; MSG);
DispatchMessage (& amp; MSG);
}
}

CodePudding user response:

 
//
//FUNCTION: InitInstance (HANDLE, int) 
//
//PURPOSE: Saves the instance handle and creates the main window 
//
//COMMENTS: 
//
//In this function, we save the instance handle In a global variable and 
//create and display the main program window. 
//
BOOL InitInstance (HINSTANCE HINSTANCE, int nCmdShow) 
{
HWND hWnd; 

HInst=hInstance;//Store the instance handle in our global variable 

HWnd=CreateDialog (hInst, MAKEINTRESOURCE (IDD_DIALOG1), NULL, DialogProc); 

if (! HWnd) 
{
return FALSE; 
} 

ShowWindow (hWnd, nCmdShow); 
UpdateWindow (hWnd); 

Return TRUE; 
} 

CodePudding user response:

But still returns null, can only display the wrong popup window,

CodePudding user response:

When I was in the rc resources appeared resource. Rc (23) : warning RC2182: duplicate dialog control ID 0 this warning, could it be this reason,

CodePudding user response:

As long as DLG_MAIN

CodePudding user response:

Your DLG_MAIN dialog resource effective?

CodePudding user response:

refer to fifth floor 7-eleven's response:

your DLG_MAIN dialog resource effective?

I define the id of the dialog

CodePudding user response:

You may have many of the same name dialogid

CodePudding user response:

refer to 7th floor truth is right or wrong response:

you may have many of the same name dialogid

After I delete this dialog to set up a good, troubled me for a long time, finally solved the