如何阻止OnPaint闪烁 [英] How to stop OnPaint flickers

问题描述

您好，



让create class继承System.Windows.Forms.Control来覆盖他的OnPaint。怀疑是这样，在控制器上拖动一个对话框，导致它出现恼人的闪烁和未完成，可以放在OnPaint上的东西会停止这个吗？

Hello,

Have create class inherits System.Windows.Forms.Control to override his "OnPaint". Doubt is this, upon dragged across the control a dialog, causes it to appear annoying flicker and unfinished, what can be put on "OnPaint" stops this?

推荐答案

它取决于渲染的内容，但在大多数情况下，简单的技术可以有效地减少或消除闪烁：双重缓冲。



请参阅物业 System.Windows.Forms.Control.DoubleBuffered ：

http://msdn.microsoft.com/en-us/library/system.windows.forms.control.doublebuffered.aspx [ ^ ]。



你也可以使用类System.Drawing.BufferedGraphics ：

http://msdn.microsoft.com/en-us/library/system.drawing.bufferedgraphics.aspx [ ^ ]。



参见： http://msdn.microsoft.com/en-us/library/system.windows。 forms.controlstyles.aspx [ ^ ]。



通常，如果你设置双缓冲，它会立即起作用。这是因为它将渲染图像缓存在位图中，该位图一次从上到下绘制。图像的中间变化收集在一个图像中，不显示。

-SA

It depends on what is going on with your rendering, but in majority of cases, on simple techniques effectively reduce or eliminate flicker: double buffering.

Please see the property System.Windows.Forms.Control.DoubleBuffered:
http://msdn.microsoft.com/en-us/library/system.windows.forms.control.doublebuffered.aspx[^].

You can also use the class System.Drawing.BufferedGraphics:
http://msdn.microsoft.com/en-us/library/system.drawing.bufferedgraphics.aspx[^].

See also: http://msdn.microsoft.com/en-us/library/system.windows.forms.controlstyles.aspx[^].

Usually, if you set up double buffering, it helps immediately. This is because it buffers the rendered image in a bitmap, which is drawn top to down at once. Intermediate changes in image are collected in one image and are not shown.

—SA

谢谢你的解决方案DoubleBuffered提供了帮助

Thanks for solution. DoubleBuffered made helpful

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