Region.IsEmpty(Graphics) Method

Reference

Definition

Namespace:: System.Drawing

Assembly:: System.Drawing.Common.dll

Assembly:: System.Drawing.dll

Package:: System.Drawing.Common v10.0.0-preview.1.25080.3

Source:: Region.cs

Source:: Region.cs

Source:: Region.cs

Source:: Region.cs

Source:: Region.cs

Source:: Region.cs

Important

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Tests whether this Region has an empty interior on the specified drawing surface.

public:
 bool IsEmpty(System::Drawing::Graphics ^ g);

public bool IsEmpty(System.Drawing.Graphics g);

member this.IsEmpty : System.Drawing.Graphics -> bool

Public Function IsEmpty (g As Graphics) As Boolean

Parameters

g: Graphics

A Graphics that represents a drawing surface.

Returns

Boolean

true if the interior of this Region is empty when the transformation associated with g is applied; otherwise, false.

Exceptions

ArgumentNullException

g is null.

Remarks

The current transformation of the graphics context g is used to compute the region interior on the drawing surface.

Applies to

Product	Versions
.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

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