I am wondering about the difference between OnDraw() and OnPaint() in MFC. After searching the Internet for a while, I found a useful article. In sum ...

I am doing some scrolling using wxScrolledWindow class. The scrolling is working fine. I am also using wxNotebook to switch between tabs. I have 2 tab ...

How should I draw a Button background in OnPaint, including the hover and mouse down colors? The code below only draws the background color. It does ...

CustomBitmap class is derived from wxControl. And this is my OnPaint function. ...

My goal is to, on a form, draw an image (screenshot) and highlight a selected area using a rubberband rectangle. I want the image to be made darker an ...

I created Panel class "GpanelBorder" which draw border in custom panel with code: Works fine but when i in design mode, mouse click inside panel an ...

In my custom control am using nearly 1000 series with 100 points each which results in delay in drawing and even after drawn also it takes some amount ...

I have two glControls. Each have it's on paint event. But before completely running the functions of paint1 event, system calls paint2 event. I though ...

I am attempting to have a simple program that will paint a rectangle or a circle dependant on the radio button selected. The drawing will change once ...

I am working with SDI app to redraw graph and update data by using timer in View file. Even though I use ON_WM_ERASEBKGND to eliminate flickering, but ...

a small question here where I didn't find a proper answer to. I want to save a drawn location of a Ellipse so I can later on draw a line between 2 ell ...

I found something that I do not really get: Suppose the "body" is empty - If I remove the condition in the DrawChar, the program never draws anythi ...

I have a dialog based application written in c++ and MFC. The dialog has a CStatic picture control. I am drawing a BITMAP in the OnPaint() function of ...

EDIT: I've tried to solve this for over a week and I have searched here and elsewhere as well. I'd like to begin with explaining that I am a hobby pr ...

I work on a control inheriting from TextBox. I want it to feature a watermark property (the text you see when there is no text). All steps taken: In ...

Hello devs of the internet! The Winforms.DataVisualization.Charting.Chart draws itself as a big red cross if the axes or displayed points take values ...

I actually wanted to Convert RTF into Image so after googling a lot I've got a code that does it by Paint() Event of Picturebox1 and it works perfectl ...

I am making a custom user control , but when i override OnPaint() , it is not call continuously . This is my code : i waited 10 seconds , message " ...

I found that there is difference between Graphics g and e.Graphics from paint event .. e.Graphics is something like "more PRO" which allows more fun w ...

I have use the following code to create a textbox, but the paint method is not triggered at any situation of the textbox. Can you suggest a solution t ...