client area

We have also touched on the window object a little before. In fact, it is to operate the form. With this object, we can implement many operations, such as window movement, set the window size and so on. His attributes are also very rich, because I

There are two types of dialogs in MFC: Modal dialog boxes and non-modal dialogs.Modal dialogs mean that when they are displayed, the program pauses execution until the modal dialog box is closed before other tasks in the program can continue. The

Note: (1) Open the "Exe\guisimulationdebug.exe" under the project catalog to see the effect. (2) After reading the tutorial 000~005 will basically use Emwin to do the project, other chapters can be consulted when necessary. (1) Each interface of

Common Events for Delphi componentsonclick--the code in this event is triggered when clickedonchange--the code that is triggered when the component content is changedoncreate--the code in this event is triggered when it is createdonclose--triggers

In the middle of the project encountered an MDI window inside the border problem, after hard to find, and finally got the solutionCalling the API in the main form //Win32 Constants Private Const intGwl_style =- -; Private Const

Reference Document: Http://www.cnblogs.com/fwycmengsoft/p/4026592.htmlOneParent: Creator, Owner: OwnersXiao Yu's parents gave birth to Jade, raised to 8 years old, sold to Jia Fu when the girlXiao Yu's parents are the parent, Jia is ownerTwo1.pop-up

Style descriptionButton styles are applied to CButton class objects such as radio boxes, check boxes, and buttons. Set the style of a combination in the dwstyle parameter of the cbutton::create.The combo box style is applied to the CComboBox class

DOCTYPE HTML>HTML> Head> MetaCharSet= "UTF-8"> title>title> Head> Body> Ponclick=getelementrect (This)>How are you doingP> Ponclick=getelementrect (This)>How are you doingP> Ponclick=getelementrect

The big difference between the first call to Cdialog::onpaint () and the Last Call to Cdialog::onpaint () in the OnPaint () function is that if you do not pay attention to this problem there will be an unreasonable drawing problem-the effect is not

dialog boxes are created in two ways: DoModal and creat. Where DoModal creates modal dialogs, and creat creates non-modal dialogs below to summarize their differences.For modal dialogs, the user will not be able to work elsewhere in the same

What is the difference between Invalidate () and UpdateAllViews ()Invalidate () is to have the program repaint the window.UpdateAllViews () is in the Doc/view structure,When the data of a view changes,Notify all views to change accordingly.It has

Recently, when developing SDK-based demos, I encountered the following problem: In response to the left-click event, I want to get the ID of the mouse-clicked control, the operation cannot be processed according to the ID, but I cannot obtain the

1. Save the Stored Procedure for manual useSp_exec.parameters.clear;Sp_exec.procedurename: = 'SP _ transto ';Sp_exec.parameters.createparameter ('@ mailid', ftstring, pdinput, 50, mailid );Sp_exec.parameters.createparameter ('@ result', ftinteger,

Device coordinate, also known as physical coordinate, is the coordinate on the output device. Device coordinates on the screen are usually called screen coordinates. The device coordinate specifies the object position based on the horizontal

I am a blind thinker. Especially these days, the mood is very depressing. So I began to figure out ....... The question is how to understand the two window styles ws_clipchildren and ws_clipsiblings. 1. Ask msdn for help Of course, my first step is

OffsettopObtains the top position of an object relative to the layout or the parent coordinate specified by the offsetparent attribute. OffsetleftObtains the left-side position of an object relative to the layout or the parent coordinate specified

Windows message classification, message collection     For Windows message classification, 1 standard message is added to the favorites of message Daquan: All messages starting with WM, except

/* The following annotation functions are described in the Platform SDK documentation and declared in different header files, most of which are declared in winuser. h. */ # Include Lresult callback wndproc (hwnd, uint, wparam, lparam); // Window

1. (23 pages, 13th rows): "Unicode is not required for wide characters. Unicode is a possible wide character encoding ." What does this mean? Check the original article. It turns out to be: wide characters aren't necessarrily Unicode. Unicode is one

A message is a notification sent by windows to tell the application that something has happened. For example, if you click the mouse, change the window size, or press a key on the keyboard, Windows will send a message to the application. The message