onScreenWillChange method
Implementation
@override
void onScreenWillChange(ScreenPT willChangePT) {
this.willChangePT = willChangePT;
columns = ScreenContext.columnPosFromScreenPT(willChangePT.$1)?.$3;
}
@override
void onScreenWillChange(ScreenPT willChangePT) {
this.willChangePT = willChangePT;
columns = ScreenContext.columnPosFromScreenPT(willChangePT.$1)?.$3;
}