CListBox::SetColumnWidth
voidSetColumnWidth(intcxWidth**);**
Parameters
cxWidth
Specifies the width in pixels of all columns.
Remarks
Sets the width in pixels of all columns in a multicolumn list box (created with the LBS_MULTICOLUMN style).
Example
// The pointer to my multicolumn list box.
extern CListBox* pmyListBox;
// Find the pixel width of the largest item.
CString str;
CSize sz;
int dx=0;
CDC* pDC = pmyListBox->GetDC();
for (int i=0;i < pmyListBox->GetCount();i++)
{
pmyListBox->GetText( i, str );
sz = pDC->GetTextExtent(str);
if (sz.cx > dx)
dx = sz.cx;
}
pmyListBox->ReleaseDC(pDC);
// Set the column width of the first column to be one and 1/3 units
// of the largest string.
pmyListBox->SetColumnWidth(dx*4/3);