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.v25.2.dll
NuGet Packages: DevExpress.Utils, DevExpress.Wpf.Core
Declaration
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.
See Also