windows form ui design

getdevicecaps function is used to obtain these messages.Exp:Ivalue = getdevicecaps (HDC, iindex );Tip:Iindex is one of the 29 macros defined in the wingdi. h header file.For example:If iindex is horzres, getdevicecaps will be sent back to the device in width (in the unit of pixels). If iindex is vertres, getdevicecaps willReturns the height of the device. If HDC is the content handle of the printer device, getdevicecaps returns the height and width (unit:Is a graphic element ). 5.2.3 device siz

In the current popular Windows operating system, it can run several programs simultaneously (independent programs are also called processes). For the same program, it can also be divided into several independent execution streams, which are called threads. threads provide multi-task processing capabilities. Studying software from the perspective of processes and threads is a common method nowadays. The emergence of the concepts of processes and thread

guy, worth noting ThePeekmessageFunction normally does not removeWm_paintMessages from the queue.Wm_paintMessages remain in the queue until they are processed. However, ifWm_paintMessage has a null update region,PeekmessageDoes remove it from the queue.-- The excerpt from msdn seems to be different from what I mentioned in the book. Please note that 14. RegionHrgn = createrectrgn (xleft, ytop, xright, ybottom );Hrgn = createrectrgnindirect ( rect );Hrgn = createellipticrgn (xleft, ytop, xright,

[Preface:] The popular Windows operating system can run several Program (A program that runs independently is also called a process). For the same program, it can be divided into several independent execution streams, which are called threads. threads provide multi-task processing capabilities. Studying software from the perspective of processes and threads is a common method nowadays. The emergence of the concepts of processes and threads is of grea

[Preface:] in the popular Windows operating system, it can run several programs simultaneously (independent programs are also called processes). For the same program, it can also be divided into several independent execution streams, which are called threads. threads provide multi-task processing capabilities. Studying software from the perspective of processes and threads is a common method nowadays. The emergence of the concepts of processes and thr

Key Points of user control design: System. Windows. Forms. UserControlKey Points of User Control Design A waterfall chart (color chart) function in a recent project is to present the point values in space and time in the form of graphs, such: X coordinates are space, and a pixel in the horizontal direction represents