Windows Pager Control Example

To create a pager control specify WC_PAGESCROLLER as the window class and register the class by specifying the ICC_PAGESCROLLER_CLASS bit flag in the accompanying INITCOMMONCONTROLSEX structure.

#include <windows.h>
#include <commctrl.h>
#pragma comment(lib, "comctl32.lib") //adds link to control control DLL
#define TB_TEST1 1003
#define TB_TEST2 1004
#define TB_TEST3 1005
#define TB_TEST4 1006
#define TB_TEST5 1007
#define TB_TEST6 1008
#define TB_TEST7 1009
HWND hWndToolBar,hWndPager;
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASSEX wc;
MSG msg;
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.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = NULL;
wc.lpszClassName = TEXT("myWindowClass");
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
RegisterClassEx(&wc);
InitCommonControls();
CreateWindowEx(WS_EX_CLIENTEDGE,TEXT("myWindowClass"),TEXT("Page scroller Demo"), WS_VISIBLE | WS_OVERLAPPEDWINDOW,CW_USEDEFAULT, CW_USEDEFAULT, 340, 150, NULL, NULL, hInstance, NULL);
while(GetMessage(&msg, NULL, 0, 0) > 0)
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_CREATE:
// load common control class ICC_PAGESCROLLER_CLASS from the dynamic-link library (DLL)
INITCOMMONCONTROLSEX icex ;
icex.dwSize = sizeof(INITCOMMONCONTROLSEX) ;
icex.dwICC = ICC_PAGESCROLLER_CLASS ;
InitCommonControlsEx(&icex) ;

//create toolar and pager windows
HBITMAP toolbarBitMap;
TBBUTTON tbb[9];
HIMAGELIST imageList;
hWndPager = CreateWindow(WC_PAGESCROLLER, NULL, WS_CHILD | WS_VISIBLE | PGS_HORZ,100, 40, 120, 40, hwnd,NULL, (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE), NULL);
hWndToolBar = CreateWindowEx(0,TOOLBARCLASSNAME, NULL,TBSTYLE_TRANSPARENT | WS_CHILD| WS_VISIBLE| CCS_NORESIZE ,0,0,0,0,hWndPager,NULL , (HINSTANCE)GetWindowLong(hwnd, GWL_HINSTANCE), NULL);
// Creates image list for toolbar
imageList = ImageList_Create(24, 24, ILC_COLOR8 |ILC_MASK, 5, 0);
//add bitmap to image list
ImageList_Add(imageList, toolbarBitMap, NULL);
//add imagelist to toolbar
SendMessage(hWndToolBar, TB_SETIMAGELIST, 0, (LPARAM)imageList);
//add system-defined button image to image list
SendMessage(hWndToolBar, TB_LOADIMAGES, (WPARAM)IDB_STD_LARGE_COLOR, (LPARAM)HINST_COMMCTRL);
ZeroMemory(tbb, sizeof(tbb));
//Define characteristics of each toolbar button.
tbb[0].iBitmap = 0 ;
tbb[0].idCommand = TB_TEST1;
tbb[0].fsState = TBSTATE_ENABLED;
tbb[0].fsStyle = TBSTYLE_BUTTON;

tbb[1].iBitmap = 1 ;
tbb[1].idCommand = TB_TEST2;
tbb[1].fsState = TBSTATE_ENABLED;
tbb[1].fsStyle = TBSTYLE_BUTTON;

tbb[2].iBitmap = 2;
tbb[2].idCommand = TB_TEST3;
tbb[2].fsState = TBSTATE_ENABLED;
tbb[2].fsStyle = TBSTYLE_BUTTON;

tbb[3].iBitmap = 3 ;
tbb[3].idCommand = TB_TEST4;
tbb[3].fsState = TBSTATE_ENABLED;
tbb[3].fsStyle = TBSTYLE_BUTTON;

tbb[4].iBitmap = 4 ;
tbb[4].idCommand = TB_TEST5;
tbb[4].fsState = TBSTATE_ENABLED;
tbb[4].fsStyle = TBSTYLE_BUTTON;

tbb[5].iBitmap = 5 ;
tbb[5].idCommand = TB_TEST5;
tbb[5].fsState = TBSTATE_ENABLED;
tbb[5].fsStyle = TBSTYLE_BUTTON;

tbb[6].iBitmap = 6 ;
tbb[6].idCommand = TB_TEST5;
tbb[6].fsState = TBSTATE_ENABLED;
tbb[6].fsStyle = TBSTYLE_BUTTON;

tbb[7].iBitmap = 7 ;
tbb[7].idCommand = TB_TEST6;
tbb[7].fsState = TBSTATE_ENABLED;
tbb[7].fsStyle = TBSTYLE_BUTTON;

tbb[8].iBitmap = 8 ;
tbb[8].idCommand = TB_TEST7;
tbb[8].fsState = TBSTATE_ENABLED;
tbb[8].fsStyle = TBSTYLE_BUTTON;

//message TB_ADDBUTTONS add three buttons as defined in TBBUTTON structure tbb
SendMessage(hWndToolBar, TB_ADDBUTTONS, 9, (LPARAM)&tbb);
//message TB_AUTOSIZE causes a toolbar to be resized so that icons and buttons are aligined in toolbar
SendMessage(hWndToolBar, TB_AUTOSIZE , 0, 0);
SendMessage(hWndPager, PGM_SETCHILD, 0, (LPARAM)hWndToolBar);
break;

case WM_NOTIFY:
{
case PGN_CALCSIZE:
{
LPNMPGCALCSIZE pCalcSize = (LPNMPGCALCSIZE)lParam;
switch(pCalcSize->dwFlag)
{
// Used by thepager control to calculate the scrollable area of the contained window.
case PGF_CALCWIDTH:
{
SIZE size;
//Get the optimum width of the toolbar.
SendMessage(hWndToolBar, TB_GETMAXSIZE, 0,(LPARAM)&size);
pCalcSize->iWidth = size.cx;
}
break;
}
}
}
case WM_COMMAND:
{
switch(LOWORD(wParam))
{
//respond to button clicks
}
}
break;
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}