Subject:
A one button program
From:
"Alfredo Masias" ####@####.####
Date:
7 Sep 2000 16:45:48 -0000
Message-Id: <NEBBJKFABIGEJJJJPNAAEEECCAAA.jamacias@quintron.com>
Hi.
I am having problems displaying a button on my form. A blank empty for
shows up ok but no button. My code follows below. Do you see any problem
with it?
(It ran ok in VC++ just by changing WINAPI to APIENTRY)
Any hints will be deeply appreciated
Alfredo Macias
Quintron Systems
(805)928-4343
********************************************************
#include <windows.h>
LRESULT CALLBACK WndProc(HWND hwnd, UINT uMsg, WPARAM wParam,
LPARAM lParam);
HDC dc;
HWND button1;
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpszCmdLine, int nCmdShow)
{
WNDCLASS wc;
HWND hWnd;
MSG msg;
wc.style = CS_HREDRAW|CS_VREDRAW|CS_BYTEALIGNCLIENT;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL,IDC_ARROW);
wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = "ButtonExample";
RegisterClass(&wc);
hWnd = CreateWindow(wc.lpszClassName,"Using A Button",
WS_OVERLAPPEDWINDOW,100,100,300,200,
NULL,NULL,hInstance,NULL);
button1 = CreateWindow("BUTTON","Hit Me",WS_CHILD|WS_VISIBLE|BS_PUSHBUTTON,
90,50,120,40,hWnd,NULL,hInstance,NULL);
ShowWindow(hWnd,nCmdShow);
UpdateWindow(hWnd);
while (GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT uMsg, WPARAM wParam,
LPARAM lParam){
switch(uMsg){
case WM_COMMAND:{
if ((HWND)lParam==button1)
MessageBox(hwnd,"Clicked!","Ooohhh",MB_OK);
return 0;
}
case WM_DESTROY:{
PostQuitMessage(0);
break;
}
default:{
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
}
return 0;
}
