Specify that you want to display text tips using the instructions in Displaying Text Tips.
In the TextTipFetch event, use the parameters to customize text tips as follows:
Specify custom text tips for a certain header or cell by responding to the values of the Col and Row parameters.
Specify whether text tips display text on multiple lines using the MultiLine parameter.
Specify the width of the text tip in pixels using the TipWidth parameter.
Provide custom text for the text tip using the TipText parameter.
If you want to display a text tip with custom text for the header or cell and the header or cell does not have text in it, set the ShowTip parameter to 1.