Control Samples
Add button, checkbox, combobox, listbox and spinner controls to worksheets.

Button
Add a button to a worksheet and handle the button's Click event by utilizing the WorkbookView's ShapeAction event.
CheckBox
Add a checkbox to a worksheet and link it to a cell.
ComboBox
Add a combobox to a worksheet, fill it with a range of values, and link it to a cell.
ListBox
Add a listbox to a worksheet, fill it with a range of values, and link it to a cell.
Spinner
Add a spinner to a worksheet, set minimum and maximum, and link it to a cell.