Padding.All Property 
Definition
Important
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Gets or sets the padding value for all the edges.
public:
 property int All { int get(); void set(int value); };public int All { get; set; }member this.All : int with get, setPublic Property All As IntegerProperty Value
The padding, in pixels, for all edges if the same; otherwise, -1.
Remarks
When retrieving this property, if all the edges use the same padding value, then this common value is returned. Otherwise, -1 is returned to indicate that all the padding values are not equal.
Setting this value changes the Right, Left, Bottom, and Top properties.