KeyPreview form of default is False;
If there is need to form the response speed faster than the other keyboard controls (like the TEdit controls), then, need to change it is True; if
Provided: KeyPreview: = True;
KeyPreview form of default is False;
If there is need to form the response speed faster than the other keyboard controls (like the TEdit controls), then, need to change it is True; if
Provided: KeyPreview: = True;