| Newbie question about resource.rc file [message #201540] |
Thu, 13 September 2007 11:15  |
Eclipse User |
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Originally posted by: edstrasser.hotmail.com
I'm new to Eclipse and C++. I believe my issue is with Eclipse, please
correct me if I'm wrong.
The problem is that my program only displays a generic icon instead of the
custom icon I've defined. I believe that maybe I haven't told Eclipse
where to locate the .ico file and this is causing it not to display.
Below are my code files:
// RESOURCE.H
--------------------------------------------------------
#define IDI_MYICON 101
// WINDOWSFORM.RC
--------------------------------------------------------
#include "resource.h"
#include <windows.h>
IDI_MYICON ICON "U:\Etronics\Documents\Icon\32x32.ico"
// WINDOWFORM.CPP
--------------------------------------------------------
#include <windows.h>
#include "resource.h"
const char g_szClassName[] = "myWindowClass";
// Step 4: the Window Procedure
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASSEX wc;
HWND hwnd;
MSG Msg;
//Step 1: Registering the Window Class
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
// wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_MYICON));
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = NULL;
wc.lpszClassName = g_szClassName;
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
if(!RegisterClassEx(&wc))
{
MessageBox(NULL, "Window Registration Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
// Step 2: Creating the Window
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
g_szClassName,
"Etronics, Inc.",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 240, 120,
NULL, NULL, hInstance, NULL);
if(hwnd == NULL)
{
MessageBox(NULL, "Window Creation Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
// Step 3: The Message Loop
while(GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
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| Re: Newbie question about resource.rc file [message #201557 is a reply to message #201540] |
Thu, 13 September 2007 11:30  |
| Eclipse User |
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Ed schrieb:
> I believe that maybe I haven't told
> Eclipse where to locate the .ico file and this is causing it not to
> display.
It's more complicated, you must "compile" your icon to a library like
"libIcon.a". See http://www.gnu.org/software/binutils/ for "Windres" the
"Compiler for Windows resource files". For execution "windres" you need
to install MSYS I think. After that you can use the MSYS bash for
something like "windres MyIcon.rc libicon.a" and then use eclipse
properties to link "icon" into your software.
HTH,
Ed
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