2024年4月19日发(作者：)

自动调整ListCtrl的列的宽度

void CSortListCtrl::AutoSizeColumns(int col /*=-1*/,BOOL bFitWidth/*=F

ALSE*/)

{

// Call this after your list control is filled

if(!GetHeaderCtrl())return;

ShowWindow(SW_HIDE);//避免闪烁

SetRedraw(FALSE);

if(!bFitWidth)//如果不自动调整最后一列宽度，使得总列宽等于控件宽度，

InsertColumn(GetColumnCount(),"");

int mincol = col < 0 ? 0 : col;

int maxcol = col < 0 ? GetColumnCount()-1 : col;

for (col = mincol; col <= maxcol; col++) {

SetColumnWidth(col,LVSCW_AUTOSIZE);

int wc1 = GetColumnWidth(col);

SetColumnWidth(col,LVSCW_AUTOSIZE_USEHEADER);

int wc2 = GetColumnWidth(col);

int iFrom=GetTopIndex();

int nCountPerpage=GetCountPerPage();

if(nCountPerpage<=0)

nCountPerpage=GetItemCount();

int iTo=iFrom+nCountPerpage;

int nImgWidth=0;

int iIndent=0;

LVITEM li;

=LVIF_IMAGE|LVIF_INDENT;

IMAGEINFO ImageInfo;

for(int iItem=iFrom;iItem

=iItem;

GetItem(&li);

iIndent=max(t,iIndent);

if(!=-1){

CImageList* pImageList=GetImageList(LVSIL_SMALL);

if(pImageList->GetSafeHandle()){

pImageList->GetImageInfo(,&ImageInfo);

nImgWidth=max(nImgWidth,

);

}

}

}

int wc = max(20,max(wc1,wc2));

if(col==0)

wc+=nImgWidth*(iIndent+1);

else

wc+=nImgWidth;

SetColumnWidth(col,wc);

}

if(!bFitWidth)

DeleteColumn(GetColumnCount()-1);

SetRedraw(TRUE);

ShowWindow(SW_SHOW);

}