2:
How can I enlarge the control's edit area

local oCalc

oCalc = form.EXCALCACTIVEXCONTROL1.nativeObject
oCalc.EditHeight = 32
oCalc.ButtonHeight = 32
oCalc.ButtonWidth = 32

1:
How can I change the button's appearance

local oCalc

oCalc = form.EXCALCACTIVEXCONTROL1.nativeObject
oCalc.PictureUp = "gBHJJGHA5MIgAEIe4AAAFhyFiC9fa9bDbbABjEZjUbjkdj0fkEhkUjkklk0nlEplUrlktl0vmExmUzmk1m03nE5nU7nkihgAEL5AgBhj/AAsn8JpRABCZAD/BIcJCwUDBQYIAIILDIWChYaHAACEh8JCxMTERIVGYyXiIeAfQCPEBDRQMbJRUBCRoaHIaHiJaSiYiSGBjZScBKTMpLRAdNreNioWSgZydBZ7CT8BJUdBAUQ7RoODrJKjkJaaKCjJSdJQVFJKAAlVq2KjqCIoYinHy9HTkVT1FTYUJiPKeHqaOzjLSTNqDXztDSXNhcAJcdKKZo7GCAb6/QADf6lJS4GDCQAAHcBA"
oCalc.PictureDown = "gBHJJGHA5MIgAEIe4AAAFhyFiDYiQBikVi0XjEZjUbjkdj0fkEhkUjkklk0nlEplUrlktl0vmExmUzmk1m03nEhhgAEL5AgBhj/AAsncJoxABCCAD/BIcJCwUDBQYIAIgLhICBAQCEBgjHSEDBxcJERYAGRqbjIKKjYiKCwfDxUBByUjISQoKaqUi4eQfZKRFoFLw0fBycrMQQ1KreNgYablv4dQZyfjZWaoaKjEBzSxUZQzczOQJMS4SQraeapZiqKavHTNdQSFZLTZcUYmBrreorJSrAoDVBdZa2dpaUhwMYGAgAHcBA=="
oCalc.ButtonHeight = 24
oCalc.ButtonWidth = 24