Registry parameter 1, registry parameter

Registry. Meaning of %1, %2, %3, %4.

This is the default variable in the system, and its meaning is different in different situations. In general, %1 represents the file of the operation, %2 represents the system's default printer, and %3 represents the data sector.

4 indicates the port port. For example, for: txt file, which in the registry points to in the default way of opening:

systemroot% system32 %1 Here, %1 means to set the current one. The txt file is opened by passing it to the program as a variable.

What is Registry?

The registry may seem mysterious because of its complex structure and clsid keys that are not connected to it. Unfortunately, Microsoft hasn't fully disclosed support information about the correct registry settings, which makes the registry even more unpredictable. The processing and registry are like "black art", and its settings in the system make it feel like the user is groping in the dark.

The Windows registry is a set of data files that help Windows control hardware, software, user environment and Windows interface. The registry database can be accessed through programs in the Windows directory. In the past, in earlier versions of Windows (prior to Win95), these features were relied upon and associated with other applications.

ini file.

Enter regedit in "Start" - "Run" and press enter to enter the registry.

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%1 represents the exe file itself.

Indicates the operating parameters.

If you drag it to a notepad, for you:

1 is on.

0 means closed.

2 means that there are more than two programs using this.

And so on.

1 means on, on, on.

0 means closed, hidden.

Stands for on and off.

Generally, 0 represents off.

%1 represents the operating file, %2 represents the system's default printer, %3 represents the data sector, and %4 represents the port port.

For example, for: txt file, which in the registry points to about how it is opened by default: %systemroot% system32 %1 Here, %1 means to set the current. The txt file is opened by passing it to the program as a variable.

Your question history doesn't seem to be very good, there are so many questions that have been retracted, I hope your question will not be retracted......

1 is the input parameter. Here's an example:

Right-click on certain text types (e.g., there will be one""Options. The command in the registry for this option is %systemroot% 1

Then when you click"", the above command will be executed. The order of execution is as follows: first open the notepad software %systemroot%; Then, pass it as a parameter to. The result is that it is opened with a notepad.

This %1 represents the file you are working on.

I don't know if I understand what I'm saying?

Registry, how to say, for example, just like the trademark of these goods, to be registered, the software you use is also the same reason, after it is installed on your computer, it can only be used when it is registered on your computer, just like the goods can be sold only after they are registered, you can enter regedit and enter it in the operation by start-run-run, and a registry menu will appear, which has a multi-registry, most of which are registry settings set by the system, and the registry generally doesn't care about it, However, in order to maintain the speed of your computer, build every two weeks with Windows Optimizer to do the registry clearing, and you're good to go.

The Windows registry is a set of data files that help Windows control hardware, software, user environment and Windows interface. The registry database can be accessed through programs in the Windows directory.

In the Windows operating system family, and these two files contain information about all the control functions and applications of the operating system, managing the computer hardware and managing the desktop and applications.

All drivers, fonts, settings, and parameters are saved in. ini file, any new programs will be recorded in. ini file.

For example, Microsoft Excel has a file that contains options, settings, default parameters, and other information that is relevant to the proper functioning of Excel. In and only the path and file name that need to be indicated.