memdlg.c File Reference

#include <windows.h>
#include <tchar.h>
#include "trace.h"

Include dependency graph for memdlg.c:

Go to the source code of this file.

Macros
#define	WIN32_LEAN_AND_MEAN
#define	ID_HELP   150
#define	ID_TEXT   200

Functions
INT_PTR CALLBACK	DialogWndProc (HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
LPWORD	lpwAlign (LPWORD lpIn)
LRESULT	CreateMemoryDialog (HINSTANCE hinst, HWND hwndOwner, LPSTR lpszMessage)

Variables
HINSTANCE	hInst

Macro Definition Documentation

ID_HELP

#define ID_HELP   150

Definition at line 29 of file memdlg.c.

ID_TEXT

#define ID_TEXT   200

Definition at line 30 of file memdlg.c.

WIN32_LEAN_AND_MEAN

#define WIN32_LEAN_AND_MEAN

Definition at line 21 of file memdlg.c.

Function Documentation

CreateMemoryDialog()

LRESULT CreateMemoryDialog	(	HINSTANCE	hinst,
		HWND	hwndOwner,
		LPSTR	lpszMessage
	)

Definition at line 54 of file memdlg.c.

{
    HGLOBAL hgbl;
    LPDLGTEMPLATE lpdt;
    LPDLGITEMTEMPLATE lpdit;
    LPWORD lpw;
    LPWSTR lpwsz;
    LRESULT ret;
    int nchar;
 
    hgbl = GlobalAlloc(GMEM_ZEROINIT, 1024);
    if (!hgbl)
        return -1;
 
    lpdt = (LPDLGTEMPLATE)GlobalLock(hgbl);
 
    // Define a dialog box.
    lpdt->style = WS_POPUP | WS_BORDER | WS_SYSMENU | DS_MODALFRAME | WS_CAPTION;
    lpdt->cdit = 3;  // number of controls
    lpdt->x  = 10; lpdt->y  = 10;
    lpdt->cx = 100; lpdt->cy = 100;
    lpw = (LPWORD)(lpdt + 1);
    *lpw++ = 0;   // no menu
    *lpw++ = 0;   // predefined dialog box class (by default)
 
    lpwsz = (LPWSTR)lpw;
    nchar = 1 + MultiByteToWideChar(CP_ACP, 0, "My Dialog", -1, lpwsz, 50);
    lpw += nchar;
 
    //-----------------------
    // Define an OK button.
    //-----------------------
    lpw = lpwAlign(lpw); // align DLGITEMTEMPLATE on DWORD boundary
    lpdit = (LPDLGITEMTEMPLATE)lpw;
    lpdit->x  = 10; lpdit->y  = 70;
    lpdit->cx = 80; lpdit->cy = 20;
    lpdit->id = IDOK;  // OK button identifier
    lpdit->style = WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON;
 
    lpw = (LPWORD)(lpdit + 1);
    *lpw++ = 0xFFFF;
    *lpw++ = 0x0080;    // button class
 
    lpwsz = (LPWSTR)lpw;
    nchar = 1 + MultiByteToWideChar(CP_ACP, 0, "OK", -1, lpwsz, 50);
    lpw += nchar;
    lpw = lpwAlign(lpw); // align creation data on DWORD boundary
    *lpw++ = 0;           // no creation data
 
    //-----------------------
    // Define a Help button.
    //-----------------------
    lpw = lpwAlign(lpw); // align DLGITEMTEMPLATE on DWORD boundary
    lpdit = (LPDLGITEMTEMPLATE)lpw;
    lpdit->x  = 55; lpdit->y  = 10;
    lpdit->cx = 40; lpdit->cy = 20;
    lpdit->id = ID_HELP;    // Help button identifier
    lpdit->style = WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON;
 
    lpw = (LPWORD)(lpdit + 1);
    *lpw++ = 0xFFFF;
    *lpw++ = 0x0080;                 // button class atom
 
    lpwsz = (LPWSTR)lpw;
    nchar = 1 + MultiByteToWideChar(CP_ACP, 0, "Help", -1, lpwsz, 50);
    lpw += nchar;
    lpw = lpwAlign(lpw); // align creation data on DWORD boundary
    *lpw++ = 0;           // no creation data
 
    //-----------------------
    // Define a static text control.
    //-----------------------
    lpw = lpwAlign(lpw); // align DLGITEMTEMPLATE on DWORD boundary
    lpdit = (LPDLGITEMTEMPLATE)lpw;
    lpdit->x  = 10; lpdit->y  = 10;
    lpdit->cx = 40; lpdit->cy = 20;
    lpdit->id = ID_TEXT;  // text identifier
    lpdit->style = WS_CHILD | WS_VISIBLE | SS_LEFT;
 
    lpw = (LPWORD)(lpdit + 1);
    *lpw++ = 0xFFFF;
    *lpw++ = 0x0082;                         // static class
 
    for (lpwsz = (LPWSTR)lpw;
        *lpwsz++ == (WCHAR)*lpszMessage++;
    );
    lpw = (LPWORD)lpwsz;
    lpw = lpwAlign(lpw);  // align creation data on DWORD boundary
    *lpw++ = 0;           // no creation data
 
    GlobalUnlock(hgbl);
    ret = DialogBoxIndirect(hinst, (LPDLGTEMPLATE)hgbl, hwndOwner, DialogWndProc);
    if (ret == 0) {
        TRACE(_T("DialogBoxIndirect() failed due to invalid handle to parent window: 0x%08X"), hwndOwner);
    } else if (ret == -1) {
        DWORD error = GetLastError();
        TRACE(_T("DialogBoxIndirect() failed, GetLastError returned 0x%08X"), error);
    }
    GlobalFree(hgbl);
    return ret;
}

Referenced by DlgProc().

DialogWndProc()

INT_PTR CALLBACK DialogWndProc	(	HWND	hDlg,
		UINT	message,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 34 of file memdlg.c.

{
    return 0;
}

Referenced by CreateMemoryDialog().

lpwAlign()

LPWORD lpwAlign

(

LPWORD

lpIn

)

Definition at line 39 of file memdlg.c.

{
    ULONG_PTR ul;
 
    ul = (ULONG_PTR)lpIn;
    ul += 3;
    ul >>= 2;
    ul <<= 2;
    return (LPWORD)ul;
}

Referenced by CreateMemoryDialog().

Variable Documentation

hInst

HINSTANCE hInst

extern

Definition at line 13 of file dxdiag.c.