Create window at maximized or minimized state

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{

if( !CMDIFrameWnd::PreCreateWindow(cs) )
return FALSE;
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
cs.style |= WS_MAXIMIZE; // for minimized WS_MINIMIZE
return TRUE;
}

Retrieve icon from an exe file

Retrieve icon from an exe file:

void GetProgramInfo(const CString& strProgramPath, SHFILEINFO* psfi)
{
if(psfi == NULL)
return;
ZeroMemory(psfi, sizeof(SHFILEINFO));
HIMAGELIST hImageList = (HIMAGELIST)SHGetFileInfo((LPCTSTR)strProgramPath, FILE_ATTRIBUTE_NORMAL,
psfi, sizeof(SHFILEINFO),SHGFI_SMALLICON SHGFI_SYSICONINDEX
SHGFI_DISPLAYNAME SHGFI_USEFILEATTRIBUTES);
if(psfi->iIcon != 0)
psfi->hIcon = ImageList_GetIcon(hImageList, psfi->iIcon, ILD_NORMAL);
}

Insert Item in tree without image

HTREEITEM treeItemRoot = m_treePrograms.InsertItem(_T("ROOT"), -2, -2); // I_IMAGENONE

Validating Edit Control

void CLongEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
switch(nChar)
{

case _T('+'):
case _T('-'):
case _T('1'):
case _T('2'):
case _T('3'):
case _T('4'):
case _T('5'):
case _T('6'):
case _T('7'):
case _T('8'):
case _T('9'):
case _T('\b'):
break;
default:
MessageBeep(0);
return;
}

CEdit::OnChar(nChar, nRepCnt, nFlags);
}

for more further deatil http://www.flounder.com/validating_edit_control.htm