The Window's Real Estate   Application's Instance   A window is referred to as parent when it can be used to host, hold, or carry other windows. For examples, when the computer starts, it draws its main screen, also called the desktop, which occupies…

消息,就是指Windows发出的一个通知,告诉应用程序某个事情发生了.例如,单击鼠标.改变窗口尺寸.按下键盘上的一个键都会使Windows发送一个消息给应用程序.消息本身是作为一个记录传递给应用程序的,这个记录中包含了消息的类型以及其他信息.例如,对于单击鼠标所产生的消息来说,这个记录中包含了单击鼠标时的坐标.这个记录类型叫做TMsg, 它在Windows单元中是这样声明的:typeTMsg = packed recordhwnd: HWND; / /窗口句柄message: UINT; / /…

For many Windows-based developers, Subversion and TortoiseSVN is a great source control solution. It’s free, is regularly updated, works on most versions of Windows and integrates well within the OS. TortoiseSVN will be one of the first systems devel…

(本文尝试通过一些简单的实验,来分析Windows的窗口机制,并对微软的设计理由进行一定的猜测,需要读者具备C++.Windows编程及MFC经验,还得有一定动手能力.文中可能出现一些术语不统一的现象,比如“子窗口”,有时候我写作“child window”,有时候写作“child”,我想应该不会有太大影响,文章太长,不一一更正了) 问题开始于我的最近的一次开发经历,我打算把程序的一部分界面放在DLL中,而这部分界面又需要使用到Tooltip,但DLL中的虚函数PreTranslateMessa…

从纯sdk及framwork的角度看,android中界面框架相关的类型有:Window,WindowManager,View等.下面就以这几个类为出发点来概览下安卓开发的"界面架构". Window 该类接触不多,和它密切相关的View类就比较熟悉了. Window和View的关系 View是可视界面上的一个矩形区域,它显示内容并接收各种交互事件.所有View形成一个ViewTree这样的结构,对应任何一个界面通过sdk自带的hierarchyviewer工具就可以看到所有View对…

引自:http://blog.csdn.net/xiaoqforever/article/details/27695569 1,登录后默认自动选中My Objects 默认情况下,PLSQL Developer登录后,Brower里会选择All objects,如果你登录的用户是dba,要展开tables目录,正常情况都需要Wait几秒钟,而选择My Objects后响应速率则是以毫秒计算的. Tools菜单 --> Object Brower Filters,会打开Brower Folders…

Firemonkey’s abstract TCanvas class has been providing the dimensions of the bounding rectangle of some text on itself. On recent updates it has deprecated providing text rectangle directly in the canvas, in stead encouraged users to use TTextLayout…

上次在子线程更新UI时用了一下WindowManager.LayoutParams,当时觉得不太顺手.以前都是用空参构造器,这次用了type和flag属性,出现了意想不到的效果.也看看源码吧,多锻炼锻炼. public static class WindowManager.LayoutParams extends ViewGroup.LayoutParams implements Parcelable WindowManager.LayoutParams是WindowManager里的静态类,源…

There are many closely-related concepts involved, and related terms are often misused, even in the official documentation. Important types of windows: top-level windows:  Windows that have no parent window.  The main window for an application is almo…

WxWidgets Compared To Other Toolkits   Some general notes: wxWidgets not only works for C++, but also has bindings for python, perl, php, java, lua, lisp, erlang, eiffel, C# (.NET), BASIC, ruby and even javascript (see General Information for binding…