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SETLINECAP           Set Line End Cap

short Escape(hDC, SETLINECAP, NULL, lpInData, lpOutData)
HDC hDC;


LPSTR lpInData; /* To short-integer containing type */


LPSTR lpOutData; /* To short-integer to receive previous value */

                type
        |------------------------------------|
        | -1  Use default                    |
        |  0  Square ends at endpoint        |
        |  1  Rounded ends (arc == 1/2 width |
        |  2  Square ends 1/2 width extended |
        +------------------------------------+

Returns:        Positive if successful otherwise negative.