GraphicsCache.IsNeedDrawRectEx(Rectangle) Method

Returns whether the region which is bounded by the specified rectangle needs to be redrawn, taking into account clip regions, if any.

Namespace: DevExpress.Utils.Drawing

Assembly: DevExpress.Utils.v18.2.dll

Declaration

C#

public bool IsNeedDrawRectEx(
    Rectangle r
)

VB.NET

Public Function IsNeedDrawRectEx(
    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 rectangle specified by the r parameter or its portion is visible and any of clip regions intersects with this rectangle the IsNeedDrawRectEx method returns true.