365
ShowWindow(hwnd, iCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
void PaintWindow(HWND hwnd, int iColor, int iFigure) |
|
|
||
{ |
|
|
|
|
static COLORREF crColor[8] = { RGB(0, |
0, 0), RGB( |
0, |
0, 255), |
|
|
RGB(0, |
255, 0), RGB( |
0, 255, 255), |
|
|
RGB(255, |
0, 0), RGB(255, |
0, 255), |
|
|
RGB(255, 255, 0), RGB(255, 255, 255) }; |
|||
HBRUSH |
hBrush; |
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|
HDC |
hdc; |
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|
RECT |
rect; |
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|
hdc = GetDC(hwnd); GetClientRect(hwnd, &rect);
hBrush = CreateSolidBrush(crColor[iColor - IDD_BLACK]); hBrush =(HBRUSH) SelectObject(hdc, hBrush);
if(iFigure == IDD_RECT)
Rectangle(hdc, rect.left, rect.top, rect.right, rect.bottom);
else
Ellipse (hdc, rect.left, rect.top, rect.right, rect.bottom);
DeleteObject(SelectObject(hdc, hBrush));
ReleaseDC(hwnd, hdc);
}
void PaintTheBlock(HWND hCtrl, int iColor, int iFigure)
{
InvalidateRect(hCtrl, NULL, TRUE);
UpdateWindow(hCtrl);
PaintWindow(hCtrl, iColor, iFigure);
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
static HINSTANCE hInstance; PAINTSTRUCT ps;
switch(iMsg)
{
case WM_CREATE :
hInstance =((LPCREATESTRUCT) lParam)->hInstance; return 0;
case WM_COMMAND : switch(LOWORD(wParam))
{
case IDM_ABOUT :
if(DialogBox(hInstance, "AboutBox", hwnd, AboutDlgProc))
InvalidateRect(hwnd, NULL, TRUE); return 0;
}
break;
367
CheckRadioButton(hDlg, IDD_RECT, IDD_ELL, LOWORD
(wParam));
PaintTheBlock(hCtrlBlock, iColor, iFigure); return TRUE;
}
break;
case WM_PAINT :
PaintTheBlock(hCtrlBlock, iColor, iFigure); break;
}
return FALSE;
}
ABOUT2.RC
/*---------------------------
ABOUT2.RC resource script
---------------------------*/
#include <windows.h> #include "about2.h"
about2 ICON about2.ico
About2 MENU
{
POPUP "&Help"
{
MENUITEM "&About About2...", IDM_ABOUT
}
}
#define TABGRP(WS_TABSTOP | WS_GROUP)
AboutBox DIALOG 20, 20, 140, 188 |
|
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||
STYLE WS_POPUP | WS_DLGFRAME |
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||
{ |
|
|
|
|
|
|
CTEXT |
"About2" |
-1, |
0, |
12, 140, |
8 |
|
ICON |
"About2" |
-1, |
8, |
8, |
0, |
0 |
CTEXT |
"About Box Demo Program" -1, 4, |
36, 130, |
8 |
|||
CTEXT |
"" |
IDD_PAINT, |
68, |
54, |
60, |
60 |
GROUPBOX |
"&Color" |
-1, |
4, |
50, |
54, 112 |
|
RADIOBUTTON |
"&Black" |
IDD_BLACK, |
8, |
60, |
40, |
12, TABGRP |
RADIOBUTTON |
"B&lue" |
IDD_BLUE, |
8, |
72, |
40, |
12 |
RADIOBUTTON |
"&Green" |
IDD_GREEN, |
8, |
84, |
40, |
12 |
RADIOBUTTON |
"Cya&n" |
IDD_CYAN, |
8, |
96, |
40, |
12 |
RADIOBUTTON |
"&Red" |
IDD_RED, |
8, 108, |
40, |
12 |
|
RADIOBUTTON |
"&Magenta" |
IDD_MAGENTA, |
8, 120, |
40, |
12 |
|
RADIOBUTTON |
"&Yellow" |
IDD_YELLOW, |
8, 132, |
40, |
12 |
|
RADIOBUTTON |
"&White" |
IDD_WHITE, |
8, 144, |
40, |
12 |
|
GROUPBOX |
"&Figure" |
-1, |
68, 120, |
60, |
40, WS_GROUP |
|
RADIOBUTTON |
"Rec&tangle" |
IDD_RECT, |
72, 134, |
50, |
12, TABGRP |
|
RADIOBUTTON "&Ellipse" |
IDD_ELL, |
72, 146, |
50, |
12 |
||
DEFPUSHBUTTON "OK" |
IDOK, |
20, 168, |
40, |
14, WS_GROUP |
||
PUSHBUTTON |
"Cancel" |
IDCANCEL, |
80, 168, |
40, |
14, WS_GROUP |
|
} |
|
|
|
|
|
|
ABOUT2.H
/*----------------------
ABOUT2.H header file
---------------------- |
*/ |
#define IDM_ABOUT |
1 |