combobox , listbox edit. SendMessage, , , , .
- windows.h , combobox. CB_.
( scrollbar)
, , WM_COMMAND. , , WM_VSCROLL WM_HSCROLL.
- lParam . lParam NULL, ,
- wParam .
. . , , GetSystemMetrics:
- GetSystemMetrics(SM_CYHSCROLL) ,
- GetSystemMetrics(SM_CXVSCROLL) .
, :
SetScrollRange(hWndScroll, SB_CTL,iNewMin,iNewMax,bRedraw);
, , . , , , WS_TABSTOP CreateWindow.
. hWnd hWndScroll , :
static int min_sb=1,max_sb=100,pos_sb=20;
SetScrollRange(hWndScroll,SB_CTL,min_sb,max_sb,TRUE);
SetScrollPos(hWndScroll,SB_CTL,pos_sb,TRUE);
, :
case WM_VSCROLL:
{
//
int nScrollCode=(int)LOWORD(wParam);
//
short int nPos=(short int)HIWORD(wParam);
// NULL
HWND hwndScrollBar=(HWND)lParam;
int old_pos_sb=pos_sb;
switch(nScrollCode)
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{
case SB_PAGEDOWN: pos_sb+=10; break;
case SB_PAGEUP: pos_sb-=10; break;
case SB_LINEDOWN: pos_sb+=1; break;
case SB_LINEUP: pos_sb-=1; break;
case SB_THUMBPOSITION: pos_sb=nPos; break;
case SB_THUMBTRACK: pos_sb=nPos; break;
default: return 0l;
}
if(pos_sb<min_sb) pos_sb=min_sb;
if(pos_sb>max_sb) pos_sb=max_sb;
if(old_pos_sb!=pos_sb)
SetScrollPos(hWndScroll,SB_CTL,pos_sb,TRUE);
}; return 0l;
, .
, ID : IDD_DIALOG1
:
DialogBox(hInst, MAKEINTRESOURCE(IDD_DIALOG1), hWnd, Dialog1);
hInst , MAKEINTRESOURCE(IDD_DIALOG1) , hWnd -, Dialog1 .
: Windows
Windows , , .
Windows , Windows WM_TIMER, .
Windows:
, .
, , , .
- . , .
.
SetTimer. , , Windows WM_TIMER.
KillTimer. KillTimer WM_TIMER.
. , SetTimer 1000 , ( ). , WM_TIMER .
, SetTimer.
Windows WM_TIMER . SetTimer :
SetTimer(hWnd, iTimerID, dwTimer, NULL); :hWnd , WM_TIMER.
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iTimerID - , , . , 1.
dwTimer 32- , .
NULL .
WM_TIMER ( WM_TIMER), :
KillTimer(hWnd, iTimerID);, SetTimer.
. .
WM_TIMER, wParam , lParam 0.
, , :
#define TIMER_SEC 1 #define TIMER_MIN 2... SetTimer(hWnd, TIMER_SEC,1000,NULL); SetTimer(hWnd, TIMER_MIN,60000,NULL);wParam WM_TIMER.
WM_TIMER :
case WM_TIMER:{ UINT wTimerID = wParam; switch(wTimerID) { // case TIMER_SEC:... break; // case TIMER_MIN:... break; }}; return 0;. , KillTimer SetTimer.
Windows .
, , (call-back). , Windows. Windows , Windows .
, CALLBACK, Windows . .
, , . Windows .
TimerProc, ( WM_TIMER):
void CALLBACK TimerProc(HWND hWnd,UINT iMsg,UINT iTimerID,DWORD dwTime){ // WM_TIMER...} :hWnd , SetTimer.
iMsg WM_TIMER, .. Windows TimerProc WM_TIMER.
iTimerID .
dwTime .
WM_TIMER ( ), SetTimer :
SetTimer(hWnd,1,1000,(TIMERPROC)TimerProc);
, , hWnd SetTimer NULL, ( ) . ID ( NULL, ):
UINT iTimerID=SetTimer(NULL,0,1000,(TIMERPROC)TimerProc);KillTimer NULL. , SetTimer:
KillTimer(NULL, iTimerID);. , SetTimer, , .
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0. , , :
1. , : _? ,
2. - +, -
3. , , ( , ).
4. - ( 2) , 2
5. , . : ; (, , ); : / . .
6. , , . , . , . ( ):
7. , :
8. , : ( ); ( ); (); (2 radio); (checkbox).
9. , - 33, 44. (33 44) , -. , 2 : .
10. , 0 100, , , . , 35. 20, , .. .
