MTblGetColHdrRectEx

Functions ›› MTblGet... ››
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nRet = MTblGetColHdrRectEx( hWndCol, nLeft, nTop, nRight, nBottom, nFlags )

Retrieves the rectangle of a column header in pixels, relative to the upper left corner of the table.

Parameters
hWndCol
Window Handle: Handle of the column

nLeft
Receive Number: X-coordinate of the upper-left corner of the rectangle

nTop
Receive Number: Y-coordinate of the upper-left corner of the rectangle

nRight
Receive Number: X-coordinate of the lower-right corner of the rectangle

nBottom
Receive Number: Y-coordinate of the lower-right corner of the rectangle

nFlags
Number: Any combination of the following constants:

MTGR_VISIBLE_PART

Retrieves only the visible part of the column header

MTGR_EXCLUDE_COLHDRGRP

If the column header is part of a group, the group part of the column header is excluded from the rectangle. See also: Column header groups.

Return
Number: One of the following constants:

MTGR_RET_ERROR

An error has occures

MTGR_RET_INVISIBLE

No part of the column header is visible

MTGR_RET_PARTLY_VISIBLE

Only a part of the column header is visible

MTGR_RET_VISIBLE

The column header is visible

Example
In this example a data field is shown in the visible part of a column header the user clicked:

On MTM_ColHdrLBtnDown
 Set hWndCol = SalNumberToWindowHandle( wParam )
 If hWndCol
   If MTblGetColHdrRectEx( hWndCol, nLeft, nTop, nRight, nBottom, MTGR_VISIBLE_PART ) != MTGR_RET_ERROR
     Call SetParent( hWndDataField, hWndForm )
     Call SetWindowPos( hWndDataField, hWndNULL, nLeft, nTop, nRight - nLeft, nBottom - nTop, SWP_SHOWWINDOW )

See also
Size, location and hit test

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