The color of the left and top edges of the rectangle.
Example
This example sets the TopLeftColor using one of the built-in functions.
//Sunken Appearance
Me.BorderWidth=2
Me.TopLeftColor=DarkBevelColor
Me.BottomRightColor=LightBevelColor
Me.FillColor=FillColor
//Raised Appearance
Me.BorderWidth=2
Me.TopLeftColor=LightBevelColor
Me.BottomRightColor=DarkBevelColor
Me.FillColor=FillColor
