XYZShowMarkerLabel shows or hides the labels of z-values to mark the position of data points.
Return Value
If the function succeeds, the return value bool is TRUE (1); otherwise it is FALSE (0).
Parameters
hData is the handle of a dataset created with XYZCreate.
bShow is TRUE (1), if the data points should be shown, and otherwise FALSE (0).
Comment
The changes will come into effect only after the function XYZUpdate is called.
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