win32创建EDIT窗口，并把大小调整为父窗口工作区大小
//Resource.h
#define IDC_MAIN_EDIT 101
//
// 函数: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// 目的: 处理主窗口的消息。
//
// WM_COMMAND - 处理应用程序菜单
// WM_PAINT - 绘制主窗口
// WM_DESTROY - 发送退出消息并返回
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam , LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
HWND hEdit;
switch (message )
{
case WM_CREATE :
HFONT hfDefault;
hEdit = CreateWindowEx(WS_EX_CLIENTEDGE ,L"EDIT",L "",
WS_CHILD|WS_VISIBLE |WS_VSCROLL| WS_HSCROLL|ES_MULTILINE |ES_AUTOHSCROLL| ES_AUTOVSCROLL,
0,0,100,100, hWnd,(HMENU )IDC_MAIN_EDIT, GetModuleHandle(NULL ),NULL);// ES_MULTILINE | ES_AUTOVSCROLL | ES_AUTOHSCROLL 设置EDIT窗口为多行可编辑及能水平及垂直滚动
if (hEdit == NULL ){
MessageBox(hWnd ,L"Could not create edit box.",L"Error", MB_OK|MB_ICONERROR );
}
hfDefault = ( HFONT)GetStockObject(DEFAULT_GUI_FONT );
SendMessage(hEdit,WM_SETFONT ,(WPARAM)hfDefault, MAKELPARAM(FALSE ,0));
break;
case WM_SIZE :
RECT rcClient;
GetClientRect( hWnd, &rcClient);// 得到窗口客户区的大小 ，其中right及bottom即是客户区的width及height
hEdit = GetDlgItem( hWnd, IDC_MAIN_EDIT );
SetWindowPos(hEdit, NULL, 0, 0, rcClient.right, rcClient.bottom, SWP_NOZORDER);//修改子窗口、弹出窗口和顶层窗口的大小、位置和z轴
TCHAR buf[1000];
swprintf_s(buf, _T("%d" ), rcClient.right);
SendMessage(hEdit,
WM_SETTEXT,
NULL,
( LPARAM)buf);
break;
case WM_COMMAND :
wmId = LOWORD(wParam );
wmEvent = HIWORD(wParam );
// 分析菜单选择:
switch (wmId)
{
case IDM_ABOUT :
DialogBox(hInst, MAKEINTRESOURCE (IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT :
DestroyWindow( hWnd);
break;
default:
return DefWindowProc (hWnd, message, wParam, lParam );
}
break;
case WM_PAINT :
hdc = BeginPaint( hWnd, &ps);
// TODO: 在此添加任意绘图代码...
EndPaint( hWnd, &ps);
break;
case WM_DESTROY :
PostQuitMessage(0);
break;
default:
return DefWindowProc (hWnd, message, wParam, lParam );
}
return 0;
}