Windows

Text output has always been a commonly used method. Since the text was invented, the text display should be missing. In the past, books were written on white paper to help others understand it. Now in the information age, it is certainly displayed

The preceding section describes how to create a simple thread where the waitforsingleobject function is used. What is it used? In fact, it is used to implement the process of waiting for the thread to end. Its Mechanism is as follows: to notify the

One-day training of Windows APIs (48) postthreadmessage Function In write server programs, the thread pool is used in many places. In particular, the CPU of multi-processor is becoming increasingly popular. Using multiple thread pools significantly

Windows API one-day training (71) getcomputername Function How do you differentiate a large company from a network administrator who finds that you need to manage thousands of computers? It must be the name of the computer. The network

A dialog box is a common window. For example, you can use a dialog box when you want users to enter some parameters. You can also use the dialog box to prompt some warning information. For example, when you copy an object, a dialog box indicating

When the red string is output, the black color of the background turns white, which destroys the background. So what method should I use to keep the background unchanged and output a red string? For example, the text color of the button is black and

To display the prompt information to users, Windows provides a very convenient API function MessageBox for users to use. Using this API function, you can display simple text information, remind or remind the user to perform the next step. The

One-day Windows API training (72) GetUserName Function With the enhancement of system security, more and more different accounts are logged on to each system. If you are developing an Internet security software so that different users have

The drawtext function and the preceding textout function are both text output functions, but they are different. The drawtext function is a formatting output function, but the textout function does not. Therefore, the drawtext function is more

The showwindow API function is a display window, but it is different in the first call and later call. During the first call, its input parameter ncmdshow is the ncmdshow parameter that needs to be input in the winmain function, rather than other

The appearance history of the text can be traced back to the use of Oracle, and the use of the text until today. In software development, cross-country languages are often used. Because the world is flattening, the world is becoming smaller, and

Properties of Windows display devices: bitmap, paint brush, Font, paint brush, and area. If you want to set them to the current device, you need to use the SelectObject function, such as the font settings described above, this function will be used.

When making reports, you often need to arrange the output content in a wrong order to make the user look more comfortable. For example, you can use the font of the title to output the title in a smaller font. In this way, you need to know the height

In order to obtain a steady stream of messages, the application needs to call the getmessage function, because all input messages in the window will be placed in the message queue of the application, then, it is sent to the callback function in the

APIS for operating LEDs are available in coredll. dll, but are not declared in the SDK.First, it contains the nled. h header file and two functions (obtain the led information and set the led status)# Include extern "C"{Bool nledgetdeviceinfo (int

# Include # Define ctl_code (devicetype, function, method, access )(/(Devicetype) ) # Define method_buffered 0# Define file_any_access 0 # Define file_device_speaker 32770# Define ioctl_speaker_add_policy_hwnd ctl_code (file_device_speaker, 2052,

Windows API one-day training (74) getsysteminfo Function On one occasion, I was developing a video compression program, and the compression algorithm was very efficient, that is, the multimedia instruction that needed to use the CPU. In the x86

Windows API one-day training (79) globalmemorystatusex Function During software development, the PC System Configurations of different users are often different. For example, some users have poor system memory configurations. when processing a

One-day Windows API training (83) getmodulefilename Function During software development, you often need to save the data to the current execution file path or read some configuration information in the current execution file path. In this case,

Windows API one-day training (91) getprocessmemoryinfo Function When you open the windows task manager, you will see the distribution of memory used by each process. Some processes often occupy a large amount of memory, which is also an exception,