Region.IsEmpty(Graphics) Method
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Tests whether this Region has an empty interior on the specified drawing surface.
public:
bool IsEmpty(System::Drawing::Graphics ^ g);C#
public bool IsEmpty(System.Drawing.Graphics g);member this.IsEmpty : System.Drawing.Graphics -> boolPublic Function IsEmpty (g As Graphics) As Booleantrue if the interior of this Region is empty when the transformation associated with g is applied; otherwise, false.
g is null.
The current transformation of the graphics context g is used to compute the region interior on the drawing surface.
| 產品 | 版本 |
|---|---|
| .NET | 8 (package-provided), 9 (package-provided), 10 (package-provided) |
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 2.0 (package-provided) |
| Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9, 10 |
