/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
fddlgs.c
Abstract:
Dialog routines and dialog support subroutines.
Author:
Ted Miller (tedm) 7-Jan-1992
--*/
#include "fdisk.h"
// used in color dialog to indicate what the user has chosen for
// the various graph element types
DWORD SelectedColor[LEGEND_STRING_COUNT];
DWORD SelectedHatch[LEGEND_STRING_COUNT];
// used in color dialog, contains element (ie, partition, logical volume,
// etc) we're selecting for (ie, which item is diaplyed in static text of
// combo box).
DWORD CurrentElement;
// handle of active color dialogs box. Used by rectangle custom control.
HWND hDlgColor;
BOOL
InitColorDlg(
IN HWND hdlg
);
VOID
CenterDialog(
HWND hwnd
)
/*++
Routine Description:
Centers a dialog relative to the app's main window
Arguments:
hwnd - window handle of dialog to center
Return Value:
None.
--*/
{
RECT rcFrame,
rcWindow;
LONG x,
y,
w,
h;
POINT point;
LONG sx = GetSystemMetrics(SM_CXSCREEN),
sy = GetSystemMetrics(SM_CYSCREEN);
point.x = point.y = 0;
ClientToScreen(hwndFrame,&point);
GetWindowRect (hwnd ,&rcWindow);
GetClientRect (hwndFrame,&rcFrame );
w = rcWindow.right - rcWindow.left + 1;
h = rcWindow.bottom - rcWindow.top + 1;
x = point.x + ((rcFrame.right - rcFrame.left + 1 - w) / 2);
y = point.y + ((rcFrame.bottom - rcFrame.top + 1 - h) / 2);
if (x + w > sx) {
x = sx - w;
} else if (x < 0) {
x = 0;
}
if (y + h > sy) {
y = sy - h;
} else if (y < 0) {
y = 0;
}
MoveWindow(hwnd,x,y,w,h,FALSE);
}
BOOL
MinMaxDlgProc(
IN HWND hwnd,
IN UINT msg,
IN DWORD wParam,
IN LONG lParam
)
/*++
Routine Description:
Dialog procedure for the enter size dialog box. This dialog
allows the user to enter a size for a partition, or use
spin controls (a tiny scroll bar) to select the size.
Possible outcomes are cancel or OK. In the latter case the
EndDialog code is the size. In the former it is 0.
Arguments:
hwnd - window handle of dialog box
msg - message #
wParam - msg specific data
lParam - msg specific data
Return Value:
msg dependent
--*/
{
TCHAR outputString[MESSAGE_BUFFER_SIZE];
PMINMAXDLG_PARAMS params;
BOOL validNumber;
DWORD sizeMB;
static DWORD minSizeMB,
maxSizeMB,
helpContextId;
switch (msg) {
case WM_INITDIALOG:
CenterDialog(hwnd);
params = (PMINMAXDLG_PARAMS)lParam;
// set up caption
LoadString(hModule, params->CaptionStringID, outputString, sizeof(outputString)/sizeof(TCHAR));
SetWindowText(hwnd, outputString);
// set up minimum/maximum text
LoadString(hModule, params->MinimumStringID, outputString, sizeof(outputString)/sizeof(TCHAR));
SetDlgItemText(hwnd, IDC_MINMAX_MINLABEL, outputString);
LoadString(hModule, params->MaximumStringID, outputString, sizeof(outputString)/sizeof(TCHAR));
SetDlgItemText(hwnd, IDC_MINMAX_MAXLABEL, outputString);
LoadString(hModule, params->SizeStringID, outputString, sizeof(outputString)/sizeof(TCHAR));
SetDlgItemText(hwnd, IDC_MINMAX_SIZLABEL, outputString);
minSizeMB = params->MinSizeMB;
maxSizeMB = params->MaxSizeMB;
helpContextId = params->HelpContextId;
wsprintf(outputString, TEXT("%u"), minSizeMB);
SetDlgItemText(hwnd, IDC_MINMAX_MIN, outputString);
wsprintf(outputString, TEXT("%u"), maxSizeMB);
SetDlgItemText(hwnd, IDC_MINMAX_MAX, outputString);
// also put the size in the edit control and select the text
wsprintf(outputString, TEXT("%u"), maxSizeMB);
SetDlgItemText(hwnd, IDC_MINMAX_SIZE, outputString);
SendDlgItemMessage(hwnd, IDC_MINMAX_SIZE, EM_SETSEL, 0, -1);
SetFocus(GetDlgItem(hwnd, IDC_MINMAX_SIZE));
return FALSE; // indicate focus set to a control
case WM_VSCROLL:
switch (LOWORD(wParam)) {
case SB_LINEDOWN:
case SB_LINEUP:
sizeMB = GetDlgItemInt(hwnd, IDC_MINMAX_SIZE, &validNumber, FALSE);
if (!validNumber) {
Beep(500,100);
} else {
if (((sizeMB > minSizeMB) && (LOWORD(wParam) == SB_LINEDOWN))
|| ((sizeMB < maxSizeMB) && (LOWORD(wParam) == SB_LINEUP )))
{
if (sizeMB > maxSizeMB) {
sizeMB = maxSizeMB;
} else if (LOWORD(wParam) == SB_LINEUP) {
sizeMB++;
} else {
sizeMB--;
}
wsprintf(outputString, TEXT("%u"), sizeMB);
SetDlgItemText(hwnd, IDC_MINMAX_SIZE, outputString);
SendDlgItemMessage(hwnd, IDC_MINMAX_SIZE, EM_SETSEL, 0, -1);
} else {
Beep(500,100);
}
}
}
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
sizeMB = GetDlgItemInt(hwnd, IDC_MINMAX_SIZE, &validNumber, FALSE);
if (!validNumber || !sizeMB || (sizeMB > maxSizeMB) || (sizeMB < minSizeMB)) {
ErrorDialog(MSG_INVALID_SIZE);
} else {
EndDialog(hwnd, sizeMB);
}
break;
case IDCANCEL:
EndDialog(hwnd, 0);
break;
case FD_IDHELP:
DialogHelp(helpContextId);
break;
default:
return FALSE;
}
break;
default:
return FALSE;
}
return TRUE;
}
BOOL
DriveLetterDlgProc(
IN HWND hdlg,
IN DWORD msg,
IN DWORD wParam,
IN LONG lParam
)
/*++
Routine Description:
Dialog for allowing the user to select a drive letter for a
partition, logical drive, volume set, or stripe set.
The EndDialog codes are as follows:
0 - user cancelled
NO_DRIVE_LETTER_EVER - user opted not to assign a drive letter
other - the drive letter chosen by the user
Arguments:
hdlg - window handle of dialog box
msg - message #
wParam - msg specific data
lParam - msg specific data
Return Value:
msg dependent
--*/
{
static HWND hwndCombo;
static DWORD currentSelection;
TCHAR driveLetter;
TCHAR driveLetterString[3];
DWORD defRadioButton,
selection;
PREGION_DESCRIPTOR regionDescriptor;
PFT_OBJECT ftObject;
TCHAR description[256];
switch (msg) {
case WM_INITDIALOG:
// lParam points to the region descriptor
regionDescriptor = (PREGION_DESCRIPTOR)lParam;
FDASSERT(DmSignificantRegion(regionDescriptor));
hwndCombo = GetDlgItem(hdlg,IDC_DRIVELET_COMBOBOX);
CenterDialog(hdlg);
// Add each available drive letter to the list of available
// drive letters.
driveLetterString[1] = TEXT(':');
driveLetterString[2] = 0;
for (driveLetter='C'; driveLetter <= 'Z'; driveLetter++) {
if (DriveLetterIsAvailable((CHAR)driveLetter)) {
*driveLetterString = driveLetter;
SendMessage(hwndCombo, CB_ADDSTRING, 0, (LONG)driveLetterString);
}
}
// Format the description of the partition.
if (ftObject = GET_FT_OBJECT(regionDescriptor)) {
TCHAR descr[256];
DWORD resid = 0;
// Ft. Description is something like "Stripe set with parity #0"
switch (ftObject->Set->Type) {
case Mirror:
resid = IDS_DLGCAP_MIRROR;
break;
case Stripe:
resid = IDS_STATUS_STRIPESET;
break;
case StripeWithParity:
resid = IDS_DLGCAP_PARITY;
break;
case VolumeSet:
resid = IDS_STATUS_VOLUMESET;
break;
default:
FDASSERT(FALSE);
}
LoadString(hModule, resid, descr, sizeof(descr)/sizeof(TCHAR));
wsprintf(description, descr, ftObject->Set->Ordinal);
} else {
// Non-ft. Description is something like '500 MB Unformatted
// logical drive on disk 3' or '400 MB HPFS partition on disk 4'
LPTSTR args[4];
TCHAR sizeStr[20],
partTypeStr[100],
diskNoStr[10],
typeName[150];
TCHAR formatString[256];
args[0] = sizeStr;
args[1] = typeName;
args[2] = partTypeStr;
args[3] = diskNoStr;
wsprintf(sizeStr, "%u", regionDescriptor->SizeMB);
wsprintf(typeName, "%ws", PERSISTENT_DATA(regionDescriptor)->TypeName);
LoadString(hModule, regionDescriptor->RegionType == REGION_LOGICAL ? IDS_LOGICALVOLUME : IDS_PARTITION, partTypeStr, sizeof(partTypeStr)/sizeof(TCHAR));
wsprintf(diskNoStr, "%u", regionDescriptor->Disk);
LoadString(hModule, IDS_DRIVELET_DESCR, formatString, sizeof(formatString)/sizeof(TCHAR));
FormatMessage(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY,
formatString,
0,
0,
description,
sizeof(description),
(va_list *)args);
}
SetWindowText(GetDlgItem(hdlg, IDC_DRIVELET_DESCR), description);
driveLetter = (TCHAR)PERSISTENT_DATA(regionDescriptor)->DriveLetter;
if ((driveLetter != NO_DRIVE_LETTER_YET) && (driveLetter != NO_DRIVE_LETTER_EVER)) {
DWORD itemIndex;
// There is a default drive letter. Place it on the list,
// check the correct radio button, and set the correct default
// in the combo box.
driveLetterString[0] = (TCHAR)driveLetter;
itemIndex = SendMessage(hwndCombo, CB_ADDSTRING, 0, (LONG)driveLetterString);
SendMessage(hwndCombo, CB_SETCURSEL, itemIndex, 0);
defRadioButton = IDC_DRIVELET_RBASSIGN;
SetFocus(hwndCombo);
currentSelection = itemIndex;
} else {
// Default is no drive letter. Disable the combo box. Select
// the correct radio button.
EnableWindow(hwndCombo, FALSE);
defRadioButton = IDC_DRIVELET_RBNOASSIGN;
SendMessage(hwndCombo, CB_SETCURSEL, (DWORD)(-1), 0);
SetFocus(GetDlgItem(hdlg, IDC_DRIVELET_RBNOASSIGN));
currentSelection = 0;
}
CheckRadioButton(hdlg, IDC_DRIVELET_RBASSIGN, IDC_DRIVELET_RBNOASSIGN, defRadioButton);
return FALSE; // focus set to control
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
// If the 'no letter' button is checked, return NO_DRIVE_LETTER_EVER
if (IsDlgButtonChecked(hdlg, IDC_DRIVELET_RBNOASSIGN)) {
EndDialog(hdlg, NO_DRIVE_LETTER_EVER);
break;
}
// Otherwise, get the currently selected item in the listbox.
selection = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
SendMessage(hwndCombo, CB_GETLBTEXT, selection, (LONG)driveLetterString);
EndDialog(hdlg,(int)(unsigned)(*driveLetterString));
break;
case IDCANCEL:
EndDialog(hdlg, 0);
break;
case FD_IDHELP:
DialogHelp(HC_DM_DLG_DRIVELETTER);
break;
case IDC_DRIVELET_RBASSIGN:
if (HIWORD(wParam) == BN_CLICKED) {
EnableWindow(hwndCombo, TRUE);
SendMessage(hwndCombo, CB_SETCURSEL, currentSelection, 0);
SetFocus(hwndCombo);
}
break;
case IDC_DRIVELET_RBNOASSIGN:
if (HIWORD(wParam) == BN_CLICKED) {
currentSelection = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
SendMessage(hwndCombo, CB_SETCURSEL, (DWORD)-1, 0);
EnableWindow(hwndCombo, FALSE);
}
break;
default:
return FALSE;
}
break;
default:
return FALSE;
}
return TRUE;
}
BOOL
DisplayOptionsDlgProc(
IN HWND hdlg,
IN UINT msg,
IN DWORD wParam,
IN LONG lParam
)
/*++
Routine Description:
Dialog procedure for display options. Currently the only display option
is to alter the graph type (proportional/equal) on each disk.
For this dialog, lParam on creation must point to a buffer into which
this dialog procedure will place the user's new choices for the graph
display type for each disk.
Arguments:
hdlg - window handle of dialog box
msg - message #
wParam - msg specific data
lParam - msg specific data
Return Value:
msg dependent
--*/
{
static PBAR_TYPE newBarTypes;
static HWND hwndCombo;
DWORD selection;
DWORD i;
switch (msg) {
case WM_INITDIALOG:
CenterDialog(hdlg);
newBarTypes = (PBAR_TYPE)lParam;
hwndCombo = GetDlgItem(hdlg, IDC_DISK_COMBOBOX);
// Add each disk to the combo box.
for (i=0; i<DiskCount; i++) {
TCHAR str[10];
wsprintf(str,TEXT("%u"),i);
SendMessage(hwndCombo, CB_ADDSTRING, 0, (DWORD)str);
}
// select the zeroth item in the combobox
SendMessage(hwndCombo, CB_SETCURSEL, 0, 0);
SendMessage(hdlg,
WM_COMMAND,
MAKELONG(IDC_DISK_COMBOBOX,CBN_SELCHANGE),
0);
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
EndDialog(hdlg, IDOK);
break;
case IDCANCEL:
EndDialog(hdlg, IDCANCEL);
break;
case FD_IDHELP:
DialogHelp(HC_DM_DLG_DISPLAYOPTION);
break;
case IDC_DISK_COMBOBOX:
if (HIWORD(wParam) == CBN_SELCHANGE) {
int rb = 0;
// Selection in the combobox has changed; update the radio buttons
selection = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
switch (newBarTypes[selection]) {
case BarProportional:
rb = IDC_RBPROPORTIONAL;
break;
case BarEqual:
rb = IDC_RBEQUAL;
break;
case BarAuto:
rb = IDC_RBAUTO;
break;
default:
FDASSERT(0);
}
CheckRadioButton(hdlg, IDC_RBPROPORTIONAL, IDC_RBAUTO, rb);
}
break;
case IDC_RESETALL:
if (HIWORD(wParam) == BN_CLICKED) {
for (i=0; i<DiskCount; i++) {
newBarTypes[i] = BarAuto;
}
CheckRadioButton(hdlg, IDC_RBPROPORTIONAL, IDC_RBAUTO, IDC_RBAUTO);
}
break;
case IDC_RBPROPORTIONAL:
if (HIWORD(wParam) == BN_CLICKED) {
selection = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
newBarTypes[selection] = BarProportional;
}
break;
case IDC_RBEQUAL:
if (HIWORD(wParam) == BN_CLICKED) {
selection = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
newBarTypes[selection] = BarEqual;
}
break;
case IDC_RBAUTO:
if (HIWORD(wParam) == BN_CLICKED) {
selection = SendMessage(hwndCombo, CB_GETCURSEL, 0, 0);
newBarTypes[selection] = BarAuto;
}
break;
default:
return FALSE;
}
break;
default:
return FALSE;
}
return TRUE;
}
BOOL
ColorDlgProc(
IN HWND hdlg,
IN DWORD msg,
IN DWORD wParam,
IN LONG lParam
)
/*++
Routine Description:
Dialog for the select colors/patterns dialog box. Note that this dialog
uses a rectangle custom control, defined below.
Arguments:
hwnd - window handle of dialog box
msg - message #
wParam - msg specific data
lParam - msg specific data
Return Value:
msg dependent
--*/
{
unsigned i;
switch (msg) {
case WM_INITDIALOG:
#if BRUSH_ARRAY_SIZE != LEGEND_STRING_COUNT
#error legend label array and brush array are out of sync
#endif
if (!InitColorDlg(hdlg)) {
EndDialog(hdlg, -1);
}
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
for (i=0; i<LEGEND_STRING_COUNT; i++) {
SelectedColor[i] -= IDC_COLOR1;
SelectedHatch[i] -= IDC_PATTERN1;
}
EndDialog(hdlg, IDOK);
break;
case IDCANCEL:
EndDialog(hdlg, IDCANCEL);
break;
case FD_IDHELP:
DialogHelp(HC_DM_COLORSANDPATTERNS);
break;
case IDC_COLORDLGCOMBO:
switch (HIWORD(wParam)) {
case CBN_SELCHANGE:
// deselect previous color
SendMessage(GetDlgItem(hdlg, SelectedColor[CurrentElement]),
RM_SELECT,
FALSE,
0);
// deselect previous pattern
SendMessage(GetDlgItem(hdlg, SelectedHatch[CurrentElement]),
RM_SELECT,
FALSE,
0);
CurrentElement = SendMessage((HWND)lParam, CB_GETCURSEL, 0, 0);
SendMessage(hdlg, WM_COMMAND, MAKELONG(SelectedColor[CurrentElement], 0), 0);
SendMessage(hdlg, WM_COMMAND, MAKELONG(SelectedHatch[CurrentElement], 0), 0);
break;
default:
return FALSE;
}
break;
case IDC_COLOR1:
case IDC_COLOR2:
case IDC_COLOR3:
case IDC_COLOR4:
case IDC_COLOR5:
case IDC_COLOR6:
case IDC_COLOR7:
case IDC_COLOR8:
case IDC_COLOR9:
case IDC_COLOR10:
case IDC_COLOR11:
case IDC_COLOR12:
case IDC_COLOR13:
case IDC_COLOR14:
case IDC_COLOR15:
case IDC_COLOR16:
// deselect previous color
SendMessage(GetDlgItem(hdlg, SelectedColor[CurrentElement]),
RM_SELECT,
FALSE,
0);
SendMessage(GetDlgItem(hdlg, LOWORD(wParam)),
RM_SELECT,
TRUE,
0);
SelectedColor[CurrentElement] = LOWORD(wParam);
// now force patterns to be redrawn in selected color
for (i=IDC_PATTERN1; i<=IDC_PATTERN5; i++) {
InvalidateRect(GetDlgItem(hdlg, i), NULL, FALSE);
}
break;
case IDC_PATTERN1:
case IDC_PATTERN2:
case IDC_PATTERN3:
case IDC_PATTERN4:
case IDC_PATTERN5:
// deselect previous pattern
SendMessage(GetDlgItem(hdlg, SelectedHatch[CurrentElement]),
RM_SELECT,
FALSE,
0);
SendMessage(GetDlgItem(hdlg, LOWORD(wParam)),
RM_SELECT,
TRUE,
0);
SelectedHatch[CurrentElement] = LOWORD(wParam);
break;
}
break;
default:
return FALSE;
}
return TRUE;
}
BOOL
InitColorDlg(
IN HWND hdlg
)
/*++
Routine Description:
Initialize the color selection dialog.
Arguments:
hdlg - the dialog handle.
Return Value:
TRUE - successfully set up the dialog.
--*/
{
unsigned i;
LONG ec;
HWND hwndCombo = GetDlgItem(hdlg, IDC_COLORDLGCOMBO);
hDlgColor = hdlg;
CenterDialog(hdlg);
for (i=0; i<LEGEND_STRING_COUNT; i++) {
ec = SendMessage(hwndCombo, CB_ADDSTRING, 0, (LONG)LegendLabels[i]);
if ((ec == CB_ERR) || (ec == CB_ERRSPACE)) {
return FALSE;
}
SelectedColor[i] = IDC_COLOR1 + BrushColors[i];
SelectedHatch[i] = IDC_PATTERN1 + BrushHatches[i];
}
SendMessage(hwndCombo, CB_SETCURSEL, CurrentElement=0, 0);
SendMessage(hdlg, WM_COMMAND, MAKELONG(GetDlgCtrlID(hwndCombo), CBN_SELCHANGE), (LONG)hwndCombo);
return TRUE;
}
LONG
RectWndProc(
IN HWND hwnd,
IN DWORD msg,
IN DWORD wParam,
IN LONG lParam
)
/*++
Routine Description:
This is a pre-process routine for all access to the disk
bar display region of the WinDisk interface.
Arguments:
hwnd - the dialog handle
msg - the windows message for the dialog
wParam/lParam - windows dialog parameters.
Return Value:
Standard dialog requirements.
--*/
{
LONG res = 1;
PAINTSTRUCT ps;
RECT rc;
int CtlID;
HBRUSH hbr,
hbrT;
DWORD style;
switch (msg) {
case WM_CREATE:
FDASSERT(GetWindowLong(hwnd, GWL_STYLE) & (RS_PATTERN | RS_COLOR));
SetWindowWord(hwnd, GWW_SELECTED, FALSE);
break;
case WM_LBUTTONDOWN:
SetFocus(hwnd);
break;
case WM_SETFOCUS:
SendMessage(GetParent(hwnd), WM_COMMAND, MAKELONG(GetDlgCtrlID(hwnd), RN_CLICKED), (LONG)hwnd);
break;
case WM_PAINT:
GetClientRect(hwnd, &rc);
CtlID = GetDlgCtrlID(hwnd);
BeginPaint(hwnd, &ps);
hbr = CreateSolidBrush(GetWindowWord(hwnd, GWW_SELECTED)
? (~GetSysColor(COLOR_WINDOW)) & 0xffffff
: GetSysColor(COLOR_WINDOW));
hbrT = SelectObject(ps.hdc,hbr);
SelectObject(ps.hdc, hPenNull);
Rectangle(ps.hdc, rc.left, rc.top, rc.right, rc.bottom);
if (hbrT) {
SelectObject(ps.hdc, hbrT);
}
DeleteObject(hbr);
InflateRect(&rc, -2, -2);
rc.right--;
rc.bottom--;
if (GetWindowLong(hwnd, GWL_STYLE) & RS_COLOR) {
hbr = CreateSolidBrush(AvailableColors[CtlID-IDC_COLOR1]);
} else {
hbr = CreateHatchBrush(AvailableHatches[CtlID-IDC_PATTERN1], AvailableColors[SelectedColor[SendMessage(GetDlgItem(hDlgColor, IDC_COLORDLGCOMBO), CB_GETCURSEL, 0, 0)]-IDC_COLOR1]);
}
hbrT = SelectObject(ps.hdc, hbr);
SelectObject(ps.hdc, hPenThinSolid);
Rectangle(ps.hdc, rc.left, rc.top, rc.right, rc.bottom);
if (hbrT) {
SelectObject(ps.hdc, hbrT);
}
DeleteObject(hbr);
EndPaint(hwnd, &ps);
break;
case RM_SELECT:
// wParam = TRUE/FALSE for selected/not selected
if (GetWindowWord(hwnd, GWW_SELECTED) != (WORD)wParam) {
SetWindowWord(hwnd, GWW_SELECTED, (WORD)wParam);
InvalidateRect(hwnd, NULL, FALSE);
// make keyboard interface work correctly
style = (DWORD)GetWindowLong(hwnd, GWL_STYLE);
style = wParam ? style | WS_TABSTOP : style & ~WS_TABSTOP;
SetWindowLong(hwnd, GWL_STYLE, (LONG)style);
}
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return res;
}
VOID
InitRectControl(
VOID
)
/*++
Routine Description:
Register the windows class for the selection control.
Arguments:
None
Return Value:
None
--*/
{
WNDCLASS wc;
wc.style = 0;
wc.lpfnWndProc = (WNDPROC)RectWndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = RECTCONTROL_WNDEXTRA;
wc.hInstance = hModule;
wc.hIcon = NULL;
wc.hCursor = NULL;
wc.hbrBackground = NULL;
wc.lpszMenuName = NULL;
wc.lpszClassName = TEXT(RECTCONTROL);
RegisterClass(&wc);
}
