The previous article sets region for the form, sets formborderstyle of the form to none, and then modifies the display region of the form. An intact form makes it a blank form without any color, which seems to be a back-to-back line for our
CreateWindowEx function Function:This function creates an overlapping window with an extended style, a pop-up window, or a child window, and the other is the same as the CreateWindow function. For information about creating windows and other
Problem Introduction:Recently, when trying to write a snake game, there is a problem: when the system sends a WM_PAINT message to the window at a faster frequency, the call to the OnPaint () function will flicker when it draws a graphic in the
Maximizing the minimum allowed function is the ShowWindow functionShowWindow (sw_showminimized); // minimization of ShowWindow (sw_showmaximized); // maximized ShowWindow (Sw_restore); // restore ------- PostMessage (hwnd,wm_syscommand,sc_minimize,0)
This tutorial shows you how to create an MDI application. In fact, it's not very difficult.
Theory:
Multi-Document Interface (MDI) is a specification for applications that process multiple documents at the same time. You are very familiar with
By citation: Invalidate adds an WM_PAINT message to the message queue with an invalid zone for the entire client area. UpdateWindow sends a WM_PAINT message directly, and its invalid extents are the invalid extents of WM_PAINT messages (up to one)
2. Set coordinate mapping(1) Windows coordinate systemThe Windows coordinate system is divided into logical and device coordinate systems, both of which are supported by GDI. In general, GDI's text and graphics output functions use logical
Wtl guide for MFC programmers: Part VII-separated windows
Original:Michael Dunn[Original ENGLISH]Translation: Orbit [www.winmsg.com]
Download DEMO code
Content of this Chapter
Introduction
Windows separated by wtl
Related Classes
Create
Sometimes, we need to paint the title of the window, or hide the window title, then the question is, which is how to drag the untitled window?The essence of this question is how to drag the mouse over the client area of the window and move the
This chapter introduces the document/view architecture of MFC, explains the data structure of implementing the structure, and then writes a console application to simulate the initialization of MFC, clarify the sequence of MFC initialization, and
MFC window, parent window parentwindow, owner window Ownerwindow difference1. Understanding the relationship between Windows 2. How to set (create) a different windowOneParent: Creator, Owner: OwnersXiao Yu's parents gave birth to Jade, raised to 8
This article describes the VC to create rounded corners dialog implementation method. Share to everyone for your reference, specific as follows:
We sometimes need rounded corners of the dialog box, to achieve this effect, generally include two-step
As for how to copy the screen and save, there are already examples, I do not have to go to copy people, I always do not like copy. Here is a complete example that can be seen.
http://msdn.microsoft.com/EN-US/library/windows/desktop/dd183402 (v=vs.85
In Windows API programming, WM_PAINT is an important message in the Windows window, and the application completes the drawing of the window by responding to the message.
The WM_PAINT message was generated by the system and should not being sent by
createwindow Function Function: This function creates an overlapping window, a pop-up window, or a sub-window. It specifies the window class, window caption, window style, and the initial position and size of the window (optional). The
:: GETWINDOWDC (M_hwnd); Indicates that GETWINDOWDC () is a global function with large scopeGETWINDOWDC () Gets a device environment that covers the entire window (including non-client areas) such as title bar, menu, scroll bar, and
The use of Delphi message mechanism can be convenient to operate the background, which is important is the SendMessage () function. Let's take a look at this function[Delphi]View PlainCopy
function SendMessage
This is the handler function Nm_click when the CTreeCtrl control is clickedvoidCdriverselctrl::onnmclick (NMHDR *pnmhdr, LRESULT *PResult) {CPoint curpoint; UINT nflags; Htreeitem HItem; GetCursorPos (&curpoint);//Current Point
The effects of Directui can be implemented using GDI, GDI +, DirectX, OpenGL, commonly GDI and GDI +, the latter two have overkill feeling. We can find this material on the Internet.Now the software more and more have a very dazzling interface, it
The reason to use the class function instead of the API is that the VCL does some packaging for it, but before and after the API works, it does something extra: notification and judgment, and so on.The reason the class function wraps a CM_ message
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