doublebuffered | 易学教程

How do I enable double-buffering of a control using C# (Windows forms)?

阅读更多关于 How do I enable double-buffering of a control using C# (Windows forms)?

How do I enable double-buffering of a control using C# (Windows forms)? I have a panel control which I am drawing stuff into and also an owner-drawn tab control. Both suffer from flicker, so how can I enable double-buffering? In the constructor of your control, set the DoubleBuffered property, and/or ControlStyle appropriately. For example, I have a simple DoubleBufferedPanel whose constructor is the following: this.DoubleBuffered = true; this.SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.ResizeRedraw | ControlStyles.ContainerControl | ControlStyles

Winforms: SuspendLayout/ResumeLayout is not enough?

阅读更多关于 Winforms: SuspendLayout/ResumeLayout is not enough?

I have a library of a few "custom controls". Essentially we have our own buttons, rounder corner panels, and a few groupboxes with some custom paint. Despite the "math" in the OnPaint methods, the controls are pretty standard. Most of the time, all we do is draw the rounded corners and add gradient to the background. We use GDI+ for all that. These controls are ok (and very nice looking according to our customers), however and despite the DoubleBuffer, you can see some redrawing, especially when there are 20++ buttons (for example) on the same form. On form load you see the buttons drawing…

Double Buffering with awt

阅读更多关于 Double Buffering with awt

问题 Is double buffering (in java) possible with awt? Currently, I'm aware that swing should not be used with awt, so I can't use BufferStrategy and whatnot (I already have some code written in awt that I don't want to rewrite in swing). If double buffering is possible with awt, do I have to write the buffer by hand? Unlike swing, awt doesn't seem to have the same built-in double buffering capability. If I do have to write the code by hand, is there a good tutorial to look at? Or is it just easier

How do I double buffer a Panel?

阅读更多关于 How do I double buffer a Panel?

I have a panel that has a roulette wheel on it, and I need to double buffer the panel, so that it stops flickering. Can anyone help me out? EDIT: Yes, I have tried that. panel1.doublebuffered does not exist, only this.doublebuffered. And I don't need to buffer the Form, just the Panel. You need to derive from Panel or PictureBox. There are ramifications to this depending on how you choose to enable the buffering. If you set the this.DoubleBuffer flag then you should be ok. If you manually update the styles then you have to paint the form yourself in WM_PAINT. If you really feel ambitious you

Double buffering in Java on Android with canvas and surfaceview

阅读更多关于 Double buffering in Java on Android with canvas and surfaceview

问题 How does one go about doing this? Could somebody give me an outline? From what I've found online, it seems like in my run() function: create a bitmap create a canvas and attach it to the bitmap lockCanvas() call draw(canvas) and draw bitmap into back buffer (how??) unlockCanvasAndPost() Is this correct? If so, could I get a bit of an explanation; what do these steps mean and how do I implement them? I've never programmed for Android before so I'm a real noob. And if it isn't correct, how DO I

Winforms: SuspendLayout/ResumeLayout is not enough?

阅读更多关于 Winforms: SuspendLayout/ResumeLayout is not enough?

问题 I have a library of a few "custom controls". Essentially we have our own buttons, rounder corner panels, and a few groupboxes with some custom paint. Despite the "math" in the OnPaint methods, the controls are pretty standard. Most of the time, all we do is draw the rounded corners and add gradient to the background. We use GDI+ for all that. These controls are ok (and very nice looking according to our customers), however and despite the DoubleBuffer, you can see some redrawing, especially

Java: how to do double-buffering in Swing?

阅读更多关于 Java: how to do double-buffering in Swing?

EDIT TWO To prevent snarky comments and one-line answers missing the point: IFF it is as simple as calling setDoubleBuffered(true) , then how do I get access to the current offline buffer so that I can start messing with the BufferedImage's underlying pixel databuffer? I took the time to write a running piece of code (which looks kinda fun too) so I'd really appreciate answers actually answering (what a shock ;) my question and explaining what/how this is working instead of one-liners and snarky comments ;) Here's a working piece of code that bounces a square across a JFrame. I'd like to know

BufferStrategy vs DIY Double Buffering in JFrame

阅读更多关于 BufferStrategy vs DIY Double Buffering in JFrame

问题 Until now, I've done double buffering by creating and Image, drawing what I wanted to that Image using its associated Graphics object then draw that Image to the screen using the paint method's Graphics object. Recently, I learned about the BufferStrategy class and its uses. I was wondering what are the pros and cons of the two methods. EDIT: I dont't think I made my question very clear. I wanted to know the pros/cons of both the DIY method and the BufferStrategy and when, if ever, I should

How do I enable double-buffering of a control using C# (Windows forms)?

阅读更多关于 How do I enable double-buffering of a control using C# (Windows forms)?

问题 How do I enable double-buffering of a control using C# (Windows forms)? I have a panel control which I am drawing stuff into and also an owner-drawn tab control. Both suffer from flicker, so how can I enable double-buffering? 回答1: In the constructor of your control, set the DoubleBuffered property, and/or ControlStyle appropriately. For example, I have a simple DoubleBufferedPanel whose constructor is the following: this.DoubleBuffered = true; this.SetStyle(ControlStyles.UserPaint |

How do I double buffer a Panel?

阅读更多关于 How do I double buffer a Panel?

问题 I have a panel that has a roulette wheel on it, and I need to double buffer the panel, so that it stops flickering. Can anyone help me out? EDIT: Yes, I have tried that. panel1.doublebuffered does not exist, only this.doublebuffered. And I don\'t need to buffer the Form, just the Panel. 回答1: You need to derive from Panel or PictureBox. There are ramifications to this depending on how you choose to enable the buffering. If you set the this.DoubleBuffer flag then you should be ok. If you