Cause:
This message clears the currently selected text. When the text type of the MLE is implicit, the characters affected may not necessarily be adjacent in the text buffer : the action is taken on the visually selected text which is continous on the screen.
Parameters:
param1
ULONG param1 Reserved.
param2
ULONG param2 Reserved.
returns
ULONG ulClear Number of bytes deleted, counted in CF_TEXT format.