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½ºÅ©·Ñ ¹ÙÀÇ ´·¯Áø À§Ä¡¿¡ µû¸¥ ½ºÅ©·Ñ ÄÚµå´Â ´ÙÀ½ ±×¸²°ú °°´Ù. HIWORD(wParam) : SB_THUMBPOSITION, SB_THUMBTRACK ¸Þ½ÃÁöÀÇ °æ¿ì ½ºÅ©·Ñ ¹ÙÀÇ ÇöÀç À§Ä¡°¡ Àü´ÞµÈ´Ù. ´Ù¸¥ ¸Þ½ÃÁö¿¡¼´Â »ç¿ëµÇÁö ¾Ê´Â´Ù. ÀÌ °ªÀº 16ºñÆ®À̳ª ½ºÅ©·Ñ ¹Ù´Â 32ºñÆ® ¹üÀ§¸¦ ½ºÅ©·Ñ ÇÒ ¼ö Àִµ¥ 32ºñÆ®ÀÇ ½ºÅ©·Ñ °ªÀ» ¾ò°í ½ÍÀ» °æ¿ì ÀÌ Àμö¸¦ Á÷Á¢ »ç¿ëÇÏ´Â ´ë½Å GetScrollInfo ÇÔ¼ö·Î °ªÀ» Á÷Á¢ Á¶»çÇØ »ç¿ëÇØ¾ß ÇÑ´Ù. ¸¸¾à ½ºÅ©·Ñ ¹üÀ§°¡ À½¼ö¸¦ °¡Áú ¼ö ÀÖ´Ù¸é ÀÌ °ªÀ» intÇüÀ¸·Î ij½ºÆÃÇÑ ÈÄ Àоî¾ß ÇÑ´Ù. lParam : ½ºÅ©·Ñ ¹Ù ÄÁÆ®·Ñ·ÎºÎÅÍ ÀÌ ¸Þ½ÃÁö°¡ Àü´ÞµÇ¾úÀ» °æ¿ì ½ºÅ©·Ñ ¹Ù ÄÁÆ®·ÑÀÇ À©µµ¿ì ÇÚµéÀÌ Àü´ÞµÈ´Ù. Ç¥ÁØ ½ºÅ©·Ñ ¹ÙÀÎ °æ¿ì ÀÌ Àμö´Â NULLÀÌ´Ù. |
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À©µµ¿ìÀÇ ¾Æ·¡ÂÊ¿¡ ºÎÂøµÇ´Â Ç¥ÁØ ¼öÆò ½ºÅ©·Ñ ¹Ù, ¶Ç´Â SBS_HORZ ½ºÅ¸ÀÏÀ» °¡Áö´Â ¼öÆò ½ºÅ©·Ñ ¹Ù ÄÁÆ®·ÑÀÌ ºÎ¸ð À©µµ¿ì·Î ½ºÅ©·Ñ ¸Þ½ÃÁö¸¦ º¸³¾ ¶§ ÀÌ ¸Þ½ÃÁö°¡ Àü´ÞµÈ´Ù. ´Ù¸¥ ÄÁÆ®·ÑÀº ÀÚ½ÅÀÇ º¯È¸¦ WM_COMMAND·Î Àü´ÞÇÏÁö¸¸ ½ºÅ©·Ñ ¹Ù´Â WM_COMMAND ´ë½Å WM_HSCROLL, WM_VSCROLL ¸Þ½ÃÁö¸¦ º¸³½´Ù. ¶ÇÇÑ ÀÌ ¸Þ½ÃÁö´Â Æ®·¢ ¹Ù ÄÁÆ®·Ñ¿¡ ÀÇÇØ »ç¿ëµÇ±âµµ ÇÑ´Ù. À©µµ¿ì´Â ÀÌ ¸Þ½ÃÁö¸¦ ¹Þ¾ÒÀ» ¶§ ½ºÅ©·Ñ ¹ÙÀÇ À§Ä¡¸¦ °»½ÅÇØ ÁÖ¾î¾ß Çϸç È¸é ½ºÅ©·Ñ ó¸®(¶Ç´Â ³»ºÎÀûÀÎ °ªÀÇ º¯°æ)¸¦ ÇØ ÁÖ¾î¾ß ÇÑ´Ù. »ç¿ëÀÚ°¡ ½æÀ» Á÷Á¢ µå·¡±×ÇÒ ¶§ SB_THUMBTRACK ¸Þ½ÃÁö°¡ ¹ß»ýÇÏ¸ç µå·¡±×¸¦ Á¾·áÇÒ ¶§ SB_THUMBPOSITION ¸Þ½ÃÁö°¡ ¹ß»ýÇϴµ¥ ÀÌ µÎ ¸Þ½ÃÁö Áß Çϳª¸¸ ó¸®ÇØ ÁÖ¸é µÇ¸ç µÑ ´Ù ó¸®ÇÒ ÇÊ¿ä´Â ¾ø´Ù. À̶§ HIWORD(wParam)À¸·Î Àü´ÞµÇ´Â °ªÀº 16ºñÆ® ¹üÀ§À̹ǷΠ65535ÀÌ»óÀÇ ½ºÅ©·Ñ À§Ä¡°ªÀº Àü´ÞµÇÁö ¾ÊÀ¸¹Ç·Î GetScrollInfo ÇÔ¼ö·Î Á÷Á¢ À§Ä¡¸¦ ±¸ÇØ¾ß ÇÑ´Ù. |
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´ÙÀ½ ¿¹Á¦´Â ¼¼ °³ÀÇ ¼öÆò ½ºÅ©·Ñ ¹Ù¸¦ »ç¿ëÇÏ¿© ÀÓÀÇÀÇ »ö»ó°ªÀ» ÀԷ¹޴ °¡Àå ÀüÇüÀûÀÎ ½ºÅ©·Ñ ¹Ù ¿¹Á¦ÀÌ´Ù. #define ID_SCRRED 100 #define ID_SCRGREEN 101 #define ID_SCRBLUE 102 HWND hRed,hGreen,hBlue; int Red,Green,Blue; LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam) { HDC hdc; PAINTSTRUCT ps; HBRUSH MyBrush, OldBrush; int TempPos; switch(iMessage) { case WM_CREATE: hRed=CreateWindow("scrollbar",NULL,WS_CHILD | WS_VISIBLE | SBS_HORZ, 10,10,256,20,hWnd,(HMENU)ID_SCRRED,g_hInst,NULL); hGreen=CreateWindow("scrollbar",NULL,WS_CHILD | WS_VISIBLE | SBS_HORZ, 10,40,256,20,hWnd,(HMENU)ID_SCRGREEN,g_hInst,NULL); hBlue=CreateWindow("scrollbar",NULL,WS_CHILD | WS_VISIBLE | SBS_HORZ, 10,70,256,20,hWnd,(HMENU)ID_SCRBLUE,g_hInst,NULL); SetScrollRange(hRed,SB_CTL,0,255,TRUE); SetScrollPos(hRed,SB_CTL,0,TRUE); SetScrollRange(hGreen,SB_CTL,0,255,TRUE); SetScrollPos(hGreen,SB_CTL,0,TRUE); SetScrollRange(hBlue,SB_CTL,0,255,TRUE); SetScrollPos(hBlue,SB_CTL,0,TRUE); return 0; case WM_HSCROLL: if ((HWND)lParam == hRed) TempPos = Red; if ((HWND)lParam == hGreen) TempPos = Green; if ((HWND)lParam == hBlue) TempPos = Blue; switch (LOWORD(wParam)) { case SB_LINELEFT: TempPos=max(0,TempPos-1); break; case SB_LINERIGHT: TempPos=min(255,TempPos+1); break; case SB_PAGELEFT: TempPos=max(0,TempPos-10); break; case SB_PAGERIGHT: TempPos=min(255,TempPos+10); break; case SB_THUMBTRACK: TempPos=HIWORD(wParam); break; } if ((HWND)lParam == hRed) Red=TempPos; if ((HWND)lParam == hGreen) Green=TempPos; if ((HWND)lParam == hBlue) Blue=TempPos; SetScrollPos((HWND)lParam,SB_CTL,TempPos,TRUE); InvalidateRect(hWnd,NULL,FALSE); return 0; case WM_PAINT: hdc=BeginPaint(hWnd,&ps); MyBrush=CreateSolidBrush(RGB(Red,Green,Blue)); OldBrush=(HBRUSH)SelectObject(hdc,MyBrush); Rectangle(hdc,10,100,266,200); SelectObject(hdc,OldBrush); DeleteObject(MyBrush); EndPaint(hWnd,&ps); return 0; case WM_DESTROY: PostQuitMessage(0); return 0; } return(DefWindowProc(hWnd,iMessage,wParam,lParam)); } ¼¼ °³ÀÇ ¼öÆò ½ºÅ©·Ñ ¹Ù ÄÁÆ®·ÑÀ» ¸¸µé¾úÀ¸¸ç °¢ ÄÁÆ®·ÑÀÌ º¸³»´Â WM_HSCROLL ¸Þ½ÃÁö¿¡¼ R,G,B»ö»ó ¿ä¼Ò°ªÀ» º¯°æÇÏ¿© ÀÌ »ö»óÀ¸·Î »ç°¢ÇüÀ» ±×·ÁÁØ´Ù. ´ÙÀ½ ¿¹Á¦´Â ¼öÆò Æ®·¢¹Ù·Î 0~100±îÁöÀÇ °ªÀ» ÀԷ¹޴ ¿¹Á¦ÀÌ´Ù. Æ®·¢¹Ùµµ ½ºÅ©·Ñ ¹Ù¿Í ¸¶Âù°¡Áö·Î º°µµÀÇ ÅëÁö ¸Þ½ÃÁö ´ë½Å WM_HSCROLL ¸Þ½ÃÁö¸¦ º¸³»¸ç ½ºÅ©·Ñ ¹Ù¿Í µ¿ÀÏÇÑ ¹æ¹ýÀ¸·Î ó¸®ÇÑ´Ù. #include <commctrl.h> HWND hTrack; int Pos; LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam) { PAINTSTRUCT ps; HDC hdc; char str[128]; switch(iMessage) { case WM_CREATE: InitCommonControls(); hTrack=CreateWindow(TRACKBAR_CLASS,NULL,WS_CHILD | WS_VISIBLE , 10,100,300,40,hWnd,NULL,g_hInst,NULL); SendMessage(hTrack, TBM_SETRANGE, FALSE, MAKELPARAM(0,100)); return 0; case WM_HSCROLL: if ((HWND)lParam == hTrack) { Pos=SendMessage(hTrack, TBM_GETPOS,0,0); InvalidateRect(hWnd, NULL, TRUE); } case WM_PAINT: hdc=BeginPaint(hWnd, &ps); wsprintf(str, "%d", Pos); SetBkMode(hdc,TRANSPARENT); TextOut(hdc,150,50,str,strlen(str)); EndPaint(hWnd, &ps); return 0; case WM_DESTROY: PostQuitMessage(0); return 0; } return(DefWindowProc(hWnd,iMessage,wParam,lParam)); } ½ÇÇà °á°ú´Â ´ÙÀ½°ú °°´Ù. Æ®·¢ ¹Ù´Â ½ºÅ©·Ñ ¹Ù¿Í »ç¿ë ¿ëµµ°¡ °ÅÀÇ µ¿ÀÏÇ쵂 Á» ´õ ¸¹Àº ½ºÅ¸ÀÏÀ» °¡Áö°í ÀÖ°í ¸î°¡Áö Ãß°¡ ±â´ÉÀ» °¡Áö°í ÀÖ´Ù´Â Á¡ÀÌ ´Ù¸£´Ù. |
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