如何使用MFC讲CListCtrl中内容输出到打印机?急

[dotdot1980]

如何使用MFC讲CListCtrl中内容输出到打印机,需要描画表格以及Header?急
也就是说如何将创建的CListView中显示的全部内容输出到打印机(包括表格)

[carbon107]

http://www.china-askpro.com/msg43/qa13.shtml
参考一下吧
这个是CTreeCtrl的，原理是一样的

[chen_jun_fen]

BOOL PrintListCtrl(CListCtrl &list)
{
PRINTDLG pd ;
pd.lStructSize = sizeof(PRINTDLG) ;
pd.Flags = PD_RETURNDC ;
pd.hDC = NULL ;
pd.hwndOwner = NULL ;
pd.hInstance = NULL ;
pd.nMaxPage = 1 ;
pd.nMinPage = 1 ;
pd.nFromPage = 1 ;
pd.nToPage = 1 ;
pd.nCopies = 1 ;
pd.hDevMode = NULL ;
pd.hDevNames = NULL ;

//显示打印对话框，由用户来设定纸张大小等。
if ( !PrintDlg( &pd ) ) return FALSE ;
ASSERT( pd.hDC != NULL ) ;

int nHorRes = GetDeviceCaps( pd.hDC , HORZRES ) ;
int nVerRes = GetDeviceCaps( pd.hDC , VERTRES ) ;
int nXMargin = 2 ;
int nYMargin = 2 ;
TEXTMETRIC tm ;
GetTextMetrics( pd.hDC , &tm ) ;
int nCharHeight = tm.tmHeight ;
int nCharWidth = tm.tmAveCharWidth ;

//以下是设置字体大小--------------------------------------------------------------
short cxInch = GetDeviceCaps( pd.hDC , LOGPIXELSX ) ;
short cyInch = GetDeviceCaps( pd.hDC , LOGPIXELSY ) ;

// 取当前字体大小

CDC *pDC = new CDC ;
pDC->Attach( pd.hDC ) ;

CFont *curFont = pDC->GetCurrentFont() ;

LOGFONT curLogFont ;
LOGFONT newLogFont ;

curFont->GetLogFont( &curLogFont );
long NewFontWidth = curLogFont.lfWidth;
long NewFontHeight = curLogFont.lfHeight;

newLogFont = curLogFont;

//计算新的字体大小 扩大一倍
newLogFont.lfWidth = ( long) ( ( float ) NewFontWidth * 2 * ( ( float ) cxInch / 72.0 ) ) ;
newLogFont.lfHeight = (long) ( ( float ) NewFontHeight * 2 * ( ( float ) cyInch / 72.0) ) ;
//创建并设置新的字体，保留以前的字体

NewFontWidth = newLogFont.lfWidth ;
NewFontHeight = newLogFont.lfHeight ;

CFont newFont;
CFont *oldFont = new CFont ;

newFont.CreateFontIndirect( &newLogFont );

oldFont = ( CFont * )pDC->SelectObject( &newFont ) ;

//设置字体大小到此--------------------------------------------------------------//


CHeaderCtrl* pHeader = list.GetHeaderCtrl() ;
//获得行，列的个数
int nColCount = pHeader->GetItemCount() ;
int nLineCount = list.GetItemCount() ;

int ColOrderArray[100] ;
COLATT ca[100] ;
list.GetColumnOrderArray( ColOrderArray , nColCount ) ;
int nColX = nXMargin * nCharWidth ;

//检索各列的信息，确定列标题的内容长度。
for(int i = 0 ; i < nColCount - 1 ; i++ )
{
ca[i].nColIndex = ColOrderArray[i] ;
LVCOLUMN lvc ;
char text[100] ;
lvc.mask = LVCF_TEXT | LVCF_SUBITEM ;
lvc.pszText = text ;
lvc.cchTextMax = 100 ;
list.GetColumn( ca[i].nColIndex , &lvc ) ;
ca[i].strColText = lvc.pszText ;
ca[i].nSubItemIndex = lvc.iSubItem ;
ca[i].nPrintX = nColX;
nColX += ( nCharWidth * strlen( ca[i].strColText ) ) ;

if ( nColX > nHorRes )
{
DeleteDC( pd.hDC ) ;
AfxMessageBox( "字段太多，无法在一行内打印，请试用较大的纸，或横向打印." ) ;
return FALSE ;
}
}
DOCINFO di ;
di.cbSize = sizeof( DOCINFO ) ;
di.lpszDocName = "ListCtrl Data Printing";
di.lpszOutput = (LPTSTR) NULL ;
di.lpszDatatype = (LPTSTR) NULL ;
di.fwType = 0 ;
StartDoc( pd.hDC , &di ) ;
StartPage( pd.hDC ) ;

//调整各列的宽度，以使各列在后面的打印输出时更均匀的打印在纸上。
int space = ( nHorRes - nXMargin * nCharWidth - nColX ) / ( nColCount - 2 ) ;
/*
for (i = 0 ; i < nColCount ; i++ )
{
ca[i].nPrintX += ( i * space ) ;
}*/
ca[0].nPrintX -= 3 * nCharWidth ;
ca[1].nPrintX += ( space - 8 * nCharWidth ) ;

for ( i = 2 ; i < nColCount - 1 ; i++ )
{
ca[i].nPrintX += ( i * space ) ;
}

//输出大标题
//---------------------------------------------------------------------------
TextOut(pd.hDC , 50 * nCharWidth , nYMargin , "报警记录" , strlen( "报警记录" ) ) ;
//-------------------------------------------------------------------------
pDC->SelectObject( oldFont ) ;

//输出列标题
for ( i = 0 ; i < nColCount - 1 ; i++ )
TextOut( pd.hDC , ca[i].nPrintX , nYMargin + NewFontHeight + nCharHeight ,
ca[i].strColText , strlen( ca[i].strColText ) ) ;

int nMaxLinePerPage = nVerRes / nCharHeight - 3 ;
int nCurPage = 1 ;
//输出各列的数据
for (i = 1 ; i < nLineCount ; i++ )
{
for ( int j = 0 ; j < nColCount - 1 ; j++ )
{
if ( i + 1 - ( nCurPage - 1 ) * nMaxLinePerPage > nMaxLinePerPage )
{
//新的一页
EndPage( pd.hDC ) ;
StartPage( pd.hDC ) ;
nCurPage ++ ;
}
CString subitem = list.GetItemText( i , ca[j].nSubItemIndex ) ;
TextOut( pd.hDC , ca[j].nPrintX ,
nYMargin + ( i + 1 - ( nCurPage - 1 ) * nMaxLinePerPage ) * nCharHeight + NewFontHeight ,
subitem , strlen( subitem ) ) ;
}
}

EndPage( pd.hDC ) ;
EndDoc( pd.hDC ) ;
//打印结束
pDC->Detach() ;
DeleteDC( pd.hDC ) ;
DeleteDC( pDC->m_hDC ) ;

return TRUE ;
}

[grasshopperliu]

COLATT 在这里是一个结构吧，
能贴出来吗？

[wenxi2004]

//该结构用于存储各列的信息
typedef struct tagColAtt
{
int nColIndex;
CString strColText;
int nPrintX;
int nSubItemIndex;
}COLATT;

BOOL PrintListCtrl(CListCtrl &list)
{

PRINTDLG pd;
pd.lStructSize = sizeof(PRINTDLG);
pd.Flags = PD_RETURNDC;
pd.hDC = NULL;
pd.hwndOwner = NULL;
pd.hInstance = NULL;
pd.nMaxPage = 1;
pd.nMinPage = 1;
pd.nFromPage = 1;
pd.nToPage = 1;
pd.nCopies = 1;
pd.hDevMode = NULL;
pd.hDevNames = NULL;

//显示打印对话框，由用户来设定纸张大小等。
if(!PrintDlg(&pd)) return FALSE;
ASSERT(pd.hDC!=NULL);

int nHorRes = GetDeviceCaps(pd.hDC, HORZRES);
int nVerRes = GetDeviceCaps(pd.hDC, VERTRES);
int nXMargin = 2;
int nYMargin = 2;
TEXTMETRIC tm;
GetTextMetrics(pd.hDC, &tm);
int nCharHeight = tm.tmHeight;
int nCharWidth = tm.tmAveCharWidth;


CHeaderCtrl* pHeader = list.GetHeaderCtrl();
//获得行，列的个数
int nColCount = pHeader->GetItemCount();
int nLineCount = list.GetItemCount();

int ColOrderArray[100];
COLATT ca[100];
list.GetColumnOrderArray(ColOrderArray, nColCount);
int nColX =nXMargin*nCharWidth;

//检索各列的信息，确定列标题的内容长度。
for(int i =0 ; i< nColCount; i++)
{
ca[i].nColIndex = ColOrderArray[i];
LVCOLUMN lvc;
char text[100];
lvc.mask = LVCF_TEXT|LVCF_SUBITEM;
lvc.pszText = text;
lvc.cchTextMax = 100;
list.GetColumn(ca[i].nColIndex, &lvc);
ca[i].strColText = lvc.pszText;
ca[i].nSubItemIndex = lvc.iSubItem;
ca[i].nPrintX = nColX;
nColX += nCharWidth * strlen(ca[i].strColText);

if(nColX > nHorRes)
{
DeleteDC(pd.hDC);
AfxMessageBox("字段太多，无法在一行内打印，请试用较大的纸，或横向打印。");
return FALSE;
}


}

DOCINFO di;
di.cbSize = sizeof(DOCINFO);
di.lpszDocName = "ListCtrl Data Printing";
di.lpszOutput = (LPTSTR) NULL;
di.lpszDatatype = (LPTSTR) NULL;
di.fwType = 0;
StartDoc(pd.hDC, &di);
StartPage(pd.hDC);

//调整各列的宽度，以使各列在后面的打印输出时更均匀的打印在纸上。
int space = (nHorRes-nXMargin*nCharWidth-nColX) / (nColCount -1);
for(i =1; i<nColCount; i++)
{
ca[i].nPrintX += i*space;
}

//输出列标题
for(i =0; i<nColCount; i++)
TextOut(pd.hDC, ca[i].nPrintX, nYMargin,
ca[i].strColText, strlen(ca[i].strColText));

int nMaxLinePerPage = nVerRes/nCharHeight -3;
int nCurPage =1;
//输出各列的数据
for(i =0; i<nLineCount; i++)
{
for(int j =0; j<nColCount; j++)
{
if(i+1-(nCurPage-1)*nMaxLinePerPage > nMaxLinePerPage)
{
//新的一页
EndPage(pd.hDC);
StartPage(pd.hDC);
nCurPage ++;
}
CString subitem = list.GetItemText(i, ca[j].nSubItemIndex);
TextOut(pd.hDC, ca[j].nPrintX,
nYMargin+(i+1-(nCurPage-1)*nMaxLinePerPage)*nCharHeight,
subitem, strlen(subitem));
}
}

EndPage(pd.hDC);
EndDoc(pd.hDC);
//打印结束
DeleteDC(pd.hDC);
return TRUE;
}

[lmfweng]

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