In general, SAM_Click alerts an application that the user has clicked an object with the left mouse button. SAM_Click is sent to a check box or push button when you click either of these objects or perform a keyboard activity that simulates a mouse click. SAM_Click is sent to a currently-unselected radio button when you click it or perform a keyboard activity that simulates a mouse click. If the radio button you click on is already selected, no SAM_Click is sent. SAM_Click is sent to a list box when you click an entry or perform a keyboard activity that simulates a mouse click. If you click an empty list box or click a portion of the list box that contains no entries, no SAM_Click is sent. SAM_Click is sent to a combo box when you click an entry in the drop-down list box or perform a keyboard activity that simulates a mouse click. If you click the data field portion of the combo box or the button that invokes the drop-down list box, no SAM_Click is sent. SAM_Click is sent to a tabl

public const int SAM_Click