Called when an element should be painted. Pixel values passed to this method are scaled relative to view coordinates based on the value of DeviceScaleFactor returned from GetScreenInfo. To override the default behaviour override this method or implement your own IRenderHandler and assign to RenderHandler Called on the CEF UI Thread

Namespace: CefSharp.Wpf
Assembly: CefSharp.Wpf (in CefSharp.Wpf.dll) Version: 129.0.110.0 (129.0.110.0)

Syntax

C++

Copy

protected virtual void OnPaint(
	bool isPopup,
	Rect dirtyRect,
	IntPtr buffer,
	int width,
	int height
)

protected:
virtual void OnPaint(
	bool isPopup, 
	Rect dirtyRect, 
	IntPtr buffer, 
	int width, 
	int height
)

Parameters

isPopup Boolean: indicates whether the element is the view or the popup widget.
dirtyRect Rect: contains the set of rectangles in pixel coordinates that need to be repainted
buffer IntPtr: The bitmap will be width * height *4 bytes in size and represents a BGRA image with an upper-left origin. The buffer should no be used outside the scope of this method, a copy should be taken. As the buffer is reused internally and potentially even freed.
width Int32: width
height Int32: height

Reference

ChromiumWebBrowser Class

CefSharp.Wpf Namespace