initproc.c

EVC4 编程CEDB数据库操作

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (C) 1993-1997  Microsoft Corporation.  All Rights Reserved.
//
//  MODULE:     initproc.c
//
//  PURPOSE:    Contains application initialization routines.
//
//  PLATFORMS:  Windows CE
//
//  FUNCTIONS:
//      InitApplication()   - Register window classes
//      InitInstance()      - Create and display main windows
//
//  COMMENTS:
//
//

#include <windows.h>
#include <commctrl.h>
#include <aygshell.h>
#include "globals.h"
#include "resource.h"

//----------------------------------------------------------------------------
// Application global variables

//HINSTANCE g_hInstance = NULL;


//
//  FUNCTION:   InitApplication(HINSTANCE)
//
//  PURPOSE:    Registers the application's window class(es).
//
//  PARAMETERS:
//      hInstance   - handle that uniquely identifies this application instance
//
//  RETURN VALUE:
//      (BOOL) Returns TRUE if the window classes are registered successfully
//             Returns FALSE otherwise
//
//  COMMENTS:
//

#define DEFBKGDCOLOR (COLOR_WINDOW + 1)
BOOL WINAPI InitApplication(HINSTANCE hInstance)
{
    WNDCLASS  wc;

	// The window class is not registered yet, so we have to fill a
    // window class structure with parameters that describe the
    // window class.
    wc.style         = CS_VREDRAW|CS_HREDRAW;
    wc.lpfnWndProc   = MainWndProc;
    wc.cbClsExtra    = 0;
    wc.cbWndExtra    = 0;
    wc.hInstance     = hInstance;
#ifdef _WIN_CE_EMULATION
	wc.hCursor       = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
    wc.lpszMenuName  = NULL;
	wc.hIcon		 = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
#else
    wc.hCursor       = NULL;
    wc.lpszMenuName  = NULL;
	wc.hIcon         = NULL;
#endif
    wc.hbrBackground = (HBRUSH)DEFBKGDCOLOR;
    wc.lpszClassName = TEXT("Win32Generic");

    if (!RegisterClass(&wc))
	{
        ErrorHandler();
		return FALSE;
	}
	g_hwndTreeView  = NULL;
    return (TRUE);
}


//
//  FUNCTION:   InitInstance(HINSTANCE, int)
//
//  PURPOSE:    Creates and displays the application's initial window(s).
//
//  PARAMETERS:
//      hInstance   - handle which uniquely identifies this instance
//      nCmdShow    - determines the state which the window should be initially
//                    shown in
//
//  RETURN VALUE:
//      (BOOL) Returns TRUE if the window(s) are created successfully.
//             Returns FALSE otherwise.
//
//  COMMENTS:
//

BOOL WINAPI InitInstance(HINSTANCE  hInstance, int nCmdShow)
{
    HWND hwnd;                       // temporary window handle
    BOOL bStatus = FALSE;            // holds return status for function
		 SIPINFO si = {0};
	int iDelta, x = CW_USEDEFAULT, y = CW_USEDEFAULT, cx, cy;

    // Save the instance handle in global variable, which will be used in
    // many subsequent calls from this application to Windows
    g_hInstance = hInstance;

	////////// Setting default main window size
	// This technique allows for you to create the main
	// window to allow for the postion of a menubar and/or
	// the SIP button at the bottom of the screen
	
	//Set default window creation sizd info
	
	si.cbSize = sizeof(si);
	SHSipInfo(SPI_GETSIPINFO, 0, &si, 0);
		
	//Consider the menu at the bottom, please.
	iDelta = (si.fdwFlags & SIPF_ON) ? 0 : MENU_HEIGHT;
	cx = si.rcVisibleDesktop.right - si.rcVisibleDesktop.left;
	cy = si.rcVisibleDesktop.bottom - si.rcVisibleDesktop.top - iDelta;

	hwnd = CreateWindow( TEXT("Win32Generic"), TEXT("Dbview Sample Application"), WS_VISIBLE,
                         x, y, cx, cy, NULL, NULL, hInstance, NULL);

    // If the window was successfully created, make the window visible,
    // update its client area, and return "success".  If the window
    // was not created, return "failure"
    if (hwnd)
    {
        ShowWindow(hwnd, nCmdShow); // Set to visible & paint non-client area
        UpdateWindow(hwnd);         // Tell window to paint client area
        bStatus = TRUE;             // Indicate success, default is failure
    }
	else
	{
		ErrorHandler();
	}

	bRemovingProps = FALSE;

    return bStatus;                  // Return status code
}