Data
:Ig_ret
Like
Table
OfDdshretval
With header line
.
AtSelection-ScreenOnValue-RequestForP_werks.CallFunction'F4if _ int_table_value_request'ExportingRetfield='Werk'Window_title=Text-100Value_org='S'TablesValue_tab=Ig_werksReturn_tab=Ig_ret.
IfSy-subrc=0.S_werks=Ig_ret-fieldval.
Endif.
For example, you need to enter the factory number in the user interface, but do not want the user to see all factory information after F4. (the user only has permis
It is also a half-baked thing with simple interrupt processing.Software environment: mdk470aHardware environment: STM32F4-Discovery. Press the key B1 to connect to the F4 Chip's pa0 pin. When a key is pressed, the pin level is pulled to the bottom.Function Description: an external interrupt is triggered when the B1 button is pressed. After entering the interrupt processing function, send messages through the serial port.Steps:1. Enable the PA clock an
Ikef4 07xx is embedded with four universal synchronous/asynchronous receivers ( Usart 1, usart2, usart3 and usart6) and two universal asynchronous transceiver (uart4 and uart5 ). These six interfaces provide irdasir endec support for asynchronous communication, multi-host communication mode, single-line half-duplex communication mode Lin Master/Slave function. The usart1 and usart6 interfaces can communicate with up to 10.5 Mbit/s, and other available interfaces can communicate with up to 5.25bi
1. Disable the form close button in Windows Forms
Add necessary namespaces:
Using system. runtime. interopservices;
Add necessary constants and reference of API functions
Private const int SC _close = 0xf060;
Private const int mf_enabled = 0x00000000;
Private const int mf_grayed = 0x00000001;
Private const int mf_disabled = 0x00000002;
[Dllimport ("user32.dll", entrypoint = "getsystemmenu")]
Private Static extern intptr getsystemmenu (intptr hwnd, int brevert );
[Dll
Sometimes, when we design Winform, we do not want to press "X" or "Alt + F4" by "X ", this function can be implemented by overwriting the WndProc method of terraform. you can simply import your window file ﹕
1 protected override void WndProc (ref Message m)
2 {
3 // TODO: Add Form1.WndProc
4 const int WM_SYSCOMMAND = 0x0112;
5 const int SC _CLOSE = 0xF060;
6 if (m. Msg = WM_SYSCOMMAND (int) m. WParam = SC _CLOSE)
7 {
8 this. WindowState = FormWindowS
Block alt
+
F4 and other shortcut keys:
Script
>
Function
Keydown ()
{ // Block right-click, CTRL + N, Shift + F10, F5 refresh, and return keys // Alert ("ASCII Code:" + event. keycode ); If (Window. event. altkey) (Window. event. keycode = 37 ) | // Block Alt + direction keys (Window. event. keycode = 39 ))) {//Block Alt + direction keys →Alert ("You are not allowed to use Alt + arrow keys to move
In the WIN8 system, close, restart, log off the computer and other operations on the beginner is more difficult things, because Win7 or XP systems such as the operation is done through the Start menu, and the WIN8 system in the shutdown and other operations through the "Settings" menu, the setting up the interface requires a certain skill.
In fact, the function of the "ALT+F4" key is to turn off the program on your computer, and when the computer doe
At this point, you want the user not to end the program through the keyboard alt+f4, and through the win key combination of the window operation. I searched the Internet, using the global keyboard hook method can do to screen the user to the keyboard operation. The following are related code that uses the Form1_Load event and the Form1_formclosing event:
Copy Code code as follows:
Using System;
Using System.Collections.Generic;
Using Sys
One of your hard drives must be a problem in this case, because the F4 is skipped ATA detection, quickly check (most of the hard drive out of the problem).
The hard drive and the optical drive jumper, the master and slave disk should be set up.
You may also consider turning off the S.M.A.R.T function. S.M.A.R.T can be turned off in BIOS setup, but different BIOS corresponding options, you find the s.m.a.r.t in the options, it should be easy to find.
Os:windows7 x64Jdk:jdk-8u131-windows-x64Ide:eclipse Oxygen Release (4.7.0)The test class inherits the HelloWorld classCheck the test class and press F4window appearsThe object class is the father of the HelloWorld class, and the HelloWorld class is the father of the Test class.In the window below the inheritance hierarchy of the class, you can see the various members in the class. Although to the most bitter now the realm is not enough, do not use this function, but still can see that this funct
Rundl132.exe RichDll.dll Solutions for Sunway variants
The variant has not been jiangmin and Cabacha killed, and several special kill to find a can repair EXE file!
After the virus runs, access the network to download multiple Trojan programs (F1.exe,f2.exe,f3.exe,f4.exe,f5.exe,f6.exe,f7.exe,f8.exe,f9.exe,f10.exe,f11.exe) and run! Generate the following virus file (feel the current virus is really sick):
C:\Documents and Settings\ your username \local
We often use the function of shielding a key in the program, shielding the normal keyboard keys, just capture the key message in the PreTranslateMessage function. Then shielding ALT+F4, CTRL + N and other key combinations, you need to press a key to determine whether the corresponding key combination is pressed.
The code looks like this:
if (pmsg->message = = Wm_keydown)
{
Switch (Pmsg->wparam)
{
Shielded SPACEBAR
Case Vk_escape:
return FALSE;
Shielde
Express Network hand Tencent, China's largest portal on the "Life Search" channel, while the Storm audio and video released text chain ads, announced the launch of commercial strategy. Recently, the personal site created by the new Internet legend
"You melt me with open arms, you crush me with your fingertips, you stir the wind and roll away me, you set off the waves abandoned me, love and hate all have you manipulate." "This is the current popular Huang" inseparable from You "inside the
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/** * shielding function classes (blocking F5, CTRL + N, Shift + F10, ALT + F4, right-click menu ......) * @ createdate 2
shield right-click, Ctrl + N, Shift + F10, Alt + F4, F11, F5 refresh, and return key shield right-click, Ctrl + N, Shift + F10, Alt + F4, F11, F5 refresh, and return key [Ctrl + A select all Note: If you need to introduce external Js, You need
Statement:
Private Declare Function getsystemmenu Lib "user32" Alias "GetSystemMenu" (ByVal hwnd as Long, ByVal Brevert as Long) as L Ong
Private Declare Function deletemenu Lib "user32" (ByVal hmenu as Long, ByVal nposition as Long, ByVal wflags
Introduction to advanced clock control timer tim1 & tim8:
The advanced control timer of ikef4 contains an automatic reload counter. The input of the counter is a system clock that is pre-divided.
This timer can be used for multiple purposes,
The analog watchdog of the ADC is used to check whether the voltage is out of bounds. It has two upper and lower boundaries, which can be set in registers adc_htr and adc_ltr respectively. Library functions are set using
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