VQueryTextWidth
Name
VQueryTextWidth - returns the width of a text string in the font used
in the window.
Synopsis
VQueryTextWidth(win, string, length, width)
Window win;
char string[];
int length;
int *width; /*RETURN*/
Description
VQueryTextWidth returns the width of a text string in the font used in the
window.
Return Value
0 - work successfully.
6 - invalid window ID.
Parameters
win - the window whose font ID (fid) is used.
string - the text string whose width is returned.
length - the number of characters in the string.
width - returns the width of string in pixels.
Side Effects
None.
Entry Conditions
If VCreateWindows is not called earlier, VQueryTextWidth prints an
error message to the standard error stream, produces a core dump file and
exits from the current process.
Related Functions
VGetWindows,
VDrawText,
VDisplayImageMessage,
VDisplayOverlayMessage.