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Microsoft Programmer's Library 1.3
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win_lrn
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graphics
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crhabrus.c
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C/C++ Source or Header
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1988-08-10
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3KB
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96 lines
/*
* Function Name: CreateHatchBrush
*
* Description:
* This creates a logical brush that can replace the current brush for the
* device. The program below draws a rectangle and fills it in with a red,
* vertical line brush that was selected.
*/
#include "windows.h"
long FAR PASCAL WndProc (HWND, unsigned, WORD, LONG);
HBRUSH hBrush;
int PASCAL WinMain (hInstance, hPrevInstance, lpszCmdLine, cmdShow)
HANDLE hInstance, hPrevInstance;
LPSTR lpszCmdLine;
int cmdShow;
{
MSG msg;
HWND hWnd;
HMENU hMenu;
if (!hPrevInstance)
{
WNDCLASS wcClass;
hBrush = CreateHatchBrush (HS_VERTICAL, RGB (255, 0, 0));
if (hBrush == NULL) /* checks for successful brush creation */
{
MessageBox (hWnd, (LPSTR)"CreateHatchBrush failed",
(LPSTR)"ERROR", MB_ICONHAND | MB_OK );
return (0L);
}
wcClass.style = CS_HREDRAW | CS_VREDRAW;
wcClass.lpfnWndProc = WndProc;
wcClass.cbClsExtra = 0;
wcClass.cbWndExtra = 0;
wcClass.hInstance = hInstance;
wcClass.hIcon = LoadIcon (hInstance, NULL);
wcClass.hCursor = LoadCursor (NULL, IDC_ARROW);
wcClass.hbrBackground = hBrush;
wcClass.lpszMenuName = (LPSTR)NULL;
wcClass.lpszClassName = (LPSTR)"CreateHatchBrush";
if (!RegisterClass ( (LPWNDCLASS) & wcClass))
return FALSE;
}
hWnd = CreateWindow ( (LPSTR)"CreateHatchBrush",
(LPSTR)"CreateHatchBrush ()",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
(HWND)NULL, /* no parent */
(HMENU)NULL, /* use class menu */
(HANDLE)hInstance, /* handle to window instance */
(LPSTR)NULL); /* no params to pass on */
ShowWindow (hWnd, cmdShow);
UpdateWindow (hWnd);
while (GetMessage ( (LPMSG) & msg, NULL, 0, 0))
{
TranslateMessage ( (LPMSG) & msg);
DispatchMessage ( (LPMSG) & msg);
}
DeleteObject (hBrush);
return (int)msg.wParam;
}
/* Procedures which make up the window class. */
long FAR PASCAL WndProc (hWnd, message, wParam, lParam)
HWND hWnd;
unsigned message;
WORD wParam;
LONG lParam;
{
switch (message)
{
case WM_DESTROY:
PostQuitMessage (0);
break;
default:
return DefWindowProc (hWnd, message, wParam, lParam);
break;
}
return (0L);
}