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Windows API how to use entry sleep, for this question, this article introduces the corresponding analysis and answer in detail, hoping to help more partners who want to solve this problem to find a more simple and easy way.

Windows API

Windows operating system, xp win7 win8 win10

There are also 32 bits and 64 bits of the operating system

The 64-bit operating system is compatible with 32 software.

The system initially encountered more than 32 bits.

Window 32-bit API abbreviated as Win32 API

API

The simple understanding is interface.

Interface: docking port

Windows API is the interface developed by windows operating system.

These interfaces are used to control the windows system

How to get started?

VB6 comes with a windows api lookup tool

You can automatically generate a declaration statement according to the interface you are looking for

1. Find API Text Viewer in the menu directory

2. Import win32API text

3. Search for the API function we need and add it using private mode

4. Copy API text

Analog automatic countdown

Technical point: using API

Private Declare Sub Sleep Lib "kernel32" Alias "Sleep" (ByVal dwMilliseconds As Long)

Parameter: pass a millisecond

Classroom summary

1. Know windows api

2. Learn to use api text viewer in vb

3. You can view the win32 api function

4. Understand the commonly used api functions.

Interface:

Source code:

Dim WithEvents label1 As Label' introduces window api, which is a sleep function, meaning how long Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long) is paused.

Private Sub Form_Click () AutoRedraw = TrueDim i As LongFor i = 10 To 0 Step-1 label1.Caption = I Sleep (1000) 'pause for one second DoEventsNext I

End Sub

Private Sub Form_Load ()

Set label1 = Controls.Add ("vb.label", "label1") label1.AutoSize = Truelabel1.Caption = "10" label1.FontSize = 50label1.Left = ScaleWidth / 2-label1.Width / 2label1.Top = ScaleHeight / 2-label1.Height / 2

Label1.Visible = TrueEnd Sub

This is the answer to the question about how to use sleep in windows API. I hope the above content can be of some help to you. If you still have a lot of doubts to solve, you can follow the industry information channel to learn more about it.

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