generic.c

来自「win32ASM教程」· C语言 代码 · 共 94 行

#include <windows.h>
#include "resource.h"

static HINSTANCE hInst;
static char szWindowClass[]="GENERIC";

LRESULT CALLBACK WndProc(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam);
BOOL CALLBACK AboutDlgProc(HWND hDlg,UINT message,WPARAM wParam,LPARAM lParam);

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd)
{
	WNDCLASSEXA wcex;
	HWND hWnd;
	MSG msg;
	hInst=hInstance;
	if(!hPrevInstance)
	{
		wcex.cbSize=sizeof(WNDCLASSEXA);
		wcex.style=CS_HREDRAW|CS_VREDRAW;
		wcex.cbClsExtra=0;
		wcex.cbWndExtra=0;
		wcex.lpfnWndProc=WndProc;
		wcex.hInstance=hInstance;
		wcex.hIcon=LoadIconA(hInstance,IDI_APPLICATION);
		wcex.hCursor=LoadCursorA(0,IDC_ARROW);
		wcex.hbrBackground=(HBRUSH)(COLOR_WINDOW+1);
		wcex.lpszMenuName=MAKEINTRESOURCE(IDR_MAINMENU);
		wcex.lpszClassName=szWindowClass;
		wcex.hIconSm=LoadIconA(hInstance,IDI_APPLICATION);
		if(!RegisterClassExA(&wcex)) return FALSE;
	}
	hWnd=CreateWindowExA(0,szWindowClass,"Generic",WS_OVERLAPPEDWINDOW,
						 CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,
						 0,0,hInstance,NULL);
	if(!hWnd) return FALSE;
	ShowWindow(hWnd,nShowCmd);
	UpdateWindow(hWnd);
	while(GetMessageA(&msg,0,0,0))
	{
		TranslateMessage(&msg);
		DispatchMessageA(&msg);
	}
	return msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam)
{
	HDC hDC;
	PAINTSTRUCT ps;
	switch(message)
	{
	case WM_COMMAND:
		switch(LOWORD(wParam))
		{
		case IDM_EXIT:
			SendMessageA(hWnd,WM_CLOSE,0,0);
			return 0;
		case IDM_ABOUT:
			DialogBoxParamA(hInst,MAKEINTRESOURCE(IDD_ABOUT),hWnd,(DLGPROC)AboutDlgProc,0);
			return 0;
		default:
			return DefWindowProcA(hWnd,message,wParam,lParam);
		}
	case WM_PAINT:
		hDC=BeginPaint(hWnd,&ps);
		EndPaint(hWnd,&ps);
		return 0;
	case WM_DESTROY:
		PostQuitMessage(0);
		return 0;
	default:
		return DefWindowProcA(hWnd,message,wParam,lParam);
	}
	return -1;
}

BOOL CALLBACK AboutDlgProc(HWND hDlg,UINT message,WPARAM wParam,LPARAM lParam)
{
	switch(message)
	{
	case WM_INITDIALOG:
		return TRUE;
	case WM_COMMAND:
		if((LOWORD(wParam)==IDOK)||(LOWORD(wParam)==IDCANCEL))
		{
			EndDialog(hDlg,LOWORD(wParam));
			return TRUE;
		}
		return FALSE;
	default:
		return FALSE;
	}
}