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Hello.

Because I want to acquire cell width.
I become a const error when I make the following sauce.

void CMuGrid::OnGbwAdjustRects(
LONG nColNo,
LONG nRowNo,
INT nColType,
INT nRowType,
RECT & rcCellExtraA,
RECT & rcCellA
) const
{
CExtGridWnd::OnGbwAdjustRects(
nColNo,
nRowNo,
nColType,
nRowType,
rcCellExtraA,
rcCellA
);

int ix;
ix = rcCellA.top;

if ( m_DwCopyFlag == true && nColType == 0 && nRowType == 0 ){
if ( m_CpRect.left == nColNo && m_CpRect.top == nRowNo ){
m_CpRectDraw.top = rcCellA.top;
m_CpRectDraw.left = rcCellA.left;
}
if ( m_CpRect.right == nColNo && m_CpRect.bottom == nRowNo ){
m_CpRectDraw.bottom = rcCellA.bottom;
m_CpRectDraw.right = rcCellA.right;
}
}
}

Will not there be a good method?

You can retrieve the coordinates of a cell (in the grid control’s client coordinate system) using the CExtGridWnd::GridCellRectsGet() method. This method allows you to get the entire cell rectangle and/or rectangles of cell parts.

CExtGridWnd & wndGrid = . . .
LONG nColNo = . . .
LONG nRowNo = . . .
CRect rcCellLocation;
	if( ! wndGrid.GridCellRectsGet(
			nColNo,
			nRowNo,
			0,
			0,
			NULL,
			&rcCellLocation
			)
		)
		return . . .

It returns true if the rcCellLocation rectangle was filled with correct cell rectangle coordinates and false if it is not possible to compute cell coordinates (the cell at column nColNo and row nRowNo is outside the visible cell range or method parameters are invalid).

You can also use the CExtGridCell::MeasureCell() method which measures the cell and returns its size in pixels.

Thank You!!