GraphicsCache.IsNeedDrawRect(Rectangle) Method

Returns whether the region which is bounded by the specified rectangle needs to be redrawn.

Namespace: DevExpress.Utils.Drawing

Assembly: DevExpress.Utils.v24.1.dll

NuGet Packages: DevExpress.Utils, DevExpress.Wpf.Core

Declaration

C#

public bool IsNeedDrawRect(
    Rectangle r
)

VB.NET

Public Function IsNeedDrawRect(
    r As Rectangle
) As Boolean

Parameters

Name	Type	Description
r	Rectangle	A Rectangle structure that specifies the rectangle to test.

Returns

Type	Description
Boolean	true if the specified rectangle needs to be redrawn; otherwise, false.

Remarks

If the region specified by the r parameter or its portion is visible the IsNeedDrawRect method returns true. The region’s visibility is calculated taking into account the current clipping region.