Open a MEL script file in a new tab in the script editor with MEL
global proc ScriptEditorOpenFilePathNewTab(string $file){
//$file="D:/mel/sam.mel";
buildNewExecuterTab(-1, $file, "mel", 0);
selectExecuterTabByName($file);
delegateCommandToFocusedExecuterWindow("-e -loadFile \"" + $file + "\"", 0);
}