// Win32 Tutorial (Initialization Dialog Box)
// Alan Baylis 2004
#include <windows.h>
#include "resource.h"
#define BUFFER_SIZE 256
const char ClassName[] = "MainWindowClass";
char szText[BUFFER_SIZE];
HWND hWndEditBox;
LRESULT CALLBACK WndProc( HWND hWnd,
UINT Msg,
WPARAM wParam,
LPARAM lParam )
{
switch (Msg)
{
case WM_CREATE:
{
hWndEditBox = CreateWindow(
"EDIT",
"Default Text",
WS_VISIBLE | WS_CHILD,
10,
10,
100,
50,
hWnd,
(HMENU)IDC_EDITBOX_TEXT,
(HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE),
NULL);
if (!hWndEditBox)
MessageBox(NULL, "Edit Box Failed.", "Error", MB_OK | MB_ICONERROR);
}
break;
case WM_CLOSE:
DestroyWindow(hWnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return (DefWindowProc(hWnd, Msg, wParam, lParam));
}
return 0;
}
BOOL CALLBACK InitProc( HWND hDlgWnd,
UINT Message,
WPARAM wParam,
LPARAM lParam )
{
switch(Message)
{
case WM_INITDIALOG:
SendDlgItemMessage(hDlgWnd, IDC_DLG_TEXT, EM_SETLIMITTEXT, (WPARAM)BUFFER_SIZE - 1, (LPARAM)0);
SetDlgItemText(hDlgWnd, IDC_DLG_TEXT, "Enter Text");
return TRUE;
break;
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDCANCEL:
EndDialog(hDlgWnd, IDCANCEL);
return TRUE;
break;
case IDOK:
GetDlgItemText(hDlgWnd, IDC_DLG_TEXT, szText, BUFFER_SIZE);
EndDialog(hDlgWnd, IDOK);
return TRUE;
break;
}
break;
}
return FALSE;
}
INT WINAPI WinMain( HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
INT nCmdShow )
{
WNDCLASSEX wc;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = (WNDPROC)WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_ICON));
wc.hIconSm = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_ICON));
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = ClassName;
if (!RegisterClassEx(&wc))
{
MessageBox(NULL, "Failed To Register The Window Class.", "Error", MB_OK | MB_ICONERROR);
return 0;
}
HWND hWnd;
hWnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
ClassName,
"Initialization Dialog",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
240,
120,
NULL,
NULL,
hInstance,
NULL);
if (!hWnd)
{
MessageBox(NULL, "Window Creation Failed.", "Error", MB_OK | MB_ICONERROR);
return 0;
}
ShowWindow(hWnd, SW_HIDE);
if (DialogBox(hInstance, "DIALOG_NAME", hWnd, (DLGPROC)InitProc) != IDCANCEL)
{
SetDlgItemText(hWnd, IDC_EDITBOX_TEXT, szText);
ShowWindow(hWnd, SW_SHOW);
UpdateWindow(hWnd);
SetFocus(hWnd);
UpdateWindow(hWnd);
}
else
PostQuitMessage(0);
MSG Msg;
while (GetMessage(&Msg, NULL, 0, 0))
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
|
