wxWidgets Discussion Forum

doublemax wrote:wxMessageQueue is a very small, header-only class defined in <wxdir>/include/msgqueue.h

You can copy that file to your own project, rename the class and then modify it.

yeah，that seems a good idea

can i insert msg in the head ( wxMessageQueue )
eg:
wxMessageQueue <int> msg;
msg={1,2,3,4,5}

now i want insert data 10 make msg={10,1,2,3,4,5};

can wxMessageQueue do this?

i just want the next msg.front=10;

or has some other class like as wxMessageQueue ,thread safe?

doublemax wrote:Draw a white (or whatever color you want) rectangle over the whole area to clear it.

that seems the deadline solution

Hi, Is the code you posted in the wxEVT_PAINT handler? If not, put it there. Also, just use some kind of flag whether to clear the dc or not. In wxEVT_PAINT check the flag and call appropriate functionality. Thank you. use dc->clear( ) ? let me have a try~ ------------------------------------------...

it still append the bitmap

i use wxgcdc.drawtext draw some text in the wxbitmap ，then how to clear the drawed text？ the wxgcdc.clear() has no effect！ as： wxBitmap theBackground = tsutil::CreateBitmapFromResource(IDR_IMAGE_CLOUD); wxMemoryDC bdc(theBackground); wxGCDC dc(bdc); dc.DrawText("test text", (GetRect().widt...

果然人很少！

在看文档时，wxGCDC，wxMemoryDC，wxDC分别用在什么场合？区别是什么啊？
还有怎么把如下图所示被挡住的文字显示？我要显示ab的结果b被下面的横线所在图片挡住了~