The GetTextExtentExPoint function retrieves the number of characters in a specified string that will fit within a specified space and fills an array with the text extent for each of those characters. (A text extent is the distance between the beginning of the space and a character that will fit in the space.) This information is useful for word-wrapping calculations.
BOOL GetTextExtentExPoint(
HDC hdc, |
// handle of device context |
LPCTSTR lpszStr, |
// address of character string |
int cchString, |
// number of characters in string |
int nMaxExtent, |
// maximum width for formatted string |
LPINT lpnFit, |
// address of value specifying max. number of chars. |
LPINT alpDx, |
// address of array for partial string widths |
LPSIZE lpSize |
// address of structure with string dimensions |
); |
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, call GetLastError.
If both the lpnFit and alpDx parameters are NULL, calling the GetTextExtentExPoint function is equivalent to calling the GetTextExtentPoint function.
file: /Techref/os/win/api/win32/func/src/f41_2.htm, 4KB, , updated: 2000/4/7 11:19, local time: 2024/11/11 15:24,
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