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
LRESULT 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 31 of file memdlg.c.

ID_TEXT

#define ID_TEXT   200

Definition at line 32 of file memdlg.c.

WIN32_LEAN_AND_MEAN

#define WIN32_LEAN_AND_MEAN

Definition at line 23 of file memdlg.c.

Function Documentation

CreateMemoryDialog()

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

Definition at line 56 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, (DLGPROC)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()

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

Definition at line 36 of file memdlg.c.

{
    return 0;
}

Referenced by CreateMemoryDialog().

lpwAlign()

LPWORD lpwAlign

(

LPWORD

lpIn

)

Definition at line 41 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.