в общем в функции я разобрался
, но программа на пашет.
Вот весь код: (она должна изменять размеры кнопок и место их положения пропорционально основному окну)
#include "stdafx.h"
#include "Heardake.h"
#define MAX_LOADSTRING 100
#define BTN 15
// Global Variables:
HINSTANCE hInst;
HWND MyhWnd;
HWND MyBtn[BTN];
TCHAR szTitle[MAX_LOADSTRING];
TCHAR szWindowClass[MAX_LOADSTRING];
// Forward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM);
void MyCreate(HWND hWnd);
int xWindowSize, yWindowSize, btn, yBtn, xBtn;
int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
// TODO: Place code here.
MSG msg;
HACCEL hAccelTable;
// Initialize global strings
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_HEARDAKE, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_HEARDAKE);
// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int) msg.wParam;
}
//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
// COMMENTS:
//
// This function and its usage are only necessary if you want this code
// to be compatible with Win32 systems prior to the 'RegisterClassEx'
// function that was added to Windows 95. It is important to call this function
// so that the application will get 'well formed' small icons associated
// with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_HEARDAKE);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = (LPCTSTR)IDC_HEARDAKE;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);
return RegisterClassEx(&wcex);
}
//
// FUNCTION: InitInstance(HANDLE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance; // Store instance handle in our global variable
hWnd = CreateWindow(szWindowClass, "Обмозгуй !", WS_OVERLAPPEDWINDOW,
300, 300, 168, 215, NULL, NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
//
// FUNCTION: WndProc(HWND, unsigned, WORD, LONG)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_SIZE:
xWindowSize = LOWORD(lParam);
yWindowSize = HIWORD(lParam);
xBtn -= xWindowSize/4;
yBtn -= yWindowSize/4;
btn = 0;
for(int i = 0; i < 4; i++)
{
yBtn+=yWindowSize/4;
for (int j = 0; j < 4; j++)
{
xBtn+=xWindowSize/4;
if (!(btn==15)){break;}
SetWindowPos(MyBtn[btn],NULL,xBtn,yBtn,xWindowSize/4,yWindowSize/4, SWP_NOSIZE | SWP_NOMOVE);
btn++;
}
}
break;
case WM_CREATE:
MyCreate(hWnd);//creating the children buttons.
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// Message handler for about box.
LRESULT CALLBACK About(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;
}
break;
}
return FALSE;
}
void MyCreate(HWND hWnd)
{
MyBtn[0] = CreateWindow("BUTTON","1",WS_CHILD|WS_VISIBLE|WS_BORDER,
0,0,40,40,hWnd,NULL,hInst,NULL);
MyBtn[1] = CreateWindow("BUTTON","2",WS_CHILD|WS_VISIBLE|WS_BORDER,
40,0,40,40,hWnd,NULL,hInst,NULL);
MyBtn[2] = CreateWindow("BUTTON","3",WS_CHILD|WS_VISIBLE|WS_BORDER,
80,0,40,40,hWnd,NULL,hInst,NULL);
MyBtn[3] = CreateWindow("BUTTON","4",WS_CHILD|WS_VISIBLE|WS_BORDER,
120,0,40,40,hWnd,NULL,hInst,NULL);
MyBtn[4] = CreateWindow("BUTTON","5",WS_CHILD|WS_VISIBLE|WS_BORDER,
0,40,40,40,hWnd,NULL,hInst,NULL);
MyBtn[5] = CreateWindow("BUTTON","6",WS_CHILD|WS_VISIBLE|WS_BORDER,
40,40,40,40,hWnd,NULL,hInst,NULL);
MyBtn[6] = CreateWindow("BUTTON","7",WS_CHILD|WS_VISIBLE|WS_BORDER,
80,40,40,40,hWnd,NULL,hInst,NULL);
MyBtn[7] = CreateWindow("BUTTON","8",WS_CHILD|WS_VISIBLE|WS_BORDER,
120,40,40,40,hWnd,NULL,hInst,NULL);
MyBtn[8] = CreateWindow("BUTTON","9",WS_CHILD|WS_VISIBLE|WS_BORDER,
0,80,40,40,hWnd,NULL,hInst,NULL);
MyBtn[9] = CreateWindow("BUTTON","10",WS_CHILD|WS_VISIBLE|WS_BORDER,
40,80,40,40,hWnd,NULL,hInst,NULL);
MyBtn[10] = CreateWindow("BUTTON","11",WS_CHILD|WS_VISIBLE|WS_BORDER,
80,80,40,40,hWnd,NULL,hInst,NULL);
MyBtn[11] = CreateWindow("BUTTON","12",WS_CHILD|WS_VISIBLE|WS_BORDER,
120,80,40,40,hWnd,NULL,hInst,NULL);
MyBtn[12] = CreateWindow("BUTTON","13",WS_CHILD|WS_VISIBLE|WS_BORDER,
0,120,40,40,hWnd,NULL,hInst,NULL);
MyBtn[13] = CreateWindow("BUTTON","14",WS_CHILD|WS_VISIBLE|WS_BORDER,
40,120,40,40,hWnd,NULL,hInst,NULL);
MyBtn[14] = CreateWindow("BUTTON","15",WS_CHILD|WS_VISIBLE|WS_BORDER,
80,120,40,40,hWnd,NULL,hInst,NULL);
}
Возможно это из-за того, что сообшение послано в WM_SIZE (но по-мему это то, что надо).