ZKX's LAB

vb不接受键盘输入 VB 文本框不接收键盘上输入的字符

2021-04-06知识4

VB能区分键盘输入和扫描器输入吗? 具体怎么做? 现在常规的扫描码也是模拟键盘输入的,应该说不能区分.除非你选用串口的扫描器,这样自然就分开了.

如何让VB程序在后台接受键盘输入 给你说个简单好用的办法把'1添加一个Timer时间控件Private Declare Function GetAsyncKeyState Lib\"user32\"(ByVal vkey As Long)As Integer'申明apiPrivate Function MyHotKey(vKeyCode)As BooleanMyHotKey=((GetAsyncKeyState(vKeyCode)))End FunctionPrivate Sub Form_Load()Timer1.Interval=100 '定时检测Me.Visible=FalseEnd SubPrivate Sub Timer1_Timer()If MyHotKey(vbKeyO)Then Me.Visible=True'还可以换成调用其他函数End Sub

用vb写程序,怎么才能实现键盘快捷输入啊?(不影响输入法) 比如,在键盘上按一个键F1 加入控件,直接复制!Private Declare Function GetAsyncKeyState Lib\"User32\"(ByVal Vkey As Long)As IntegerPrivate Function MyHotKey(vKeyCode)As BooleanMyHotKey=GetAsyncKeyState(vKeyCode)End FunctionPrivate Sub Form_Load()Timer1.Interval=1Timer2.Interval=300End SubPrivate Sub Timer1_Timer()If MyHotKey(113)Then '113是F2SendKeys\"这是VB快捷输入设置。Timer1.Enabled=FalseTimer2.Enabled=TrueEnd IfEnd SubPrivate Sub Timer2_Timer()Timer1=TrueTimer2=FalseEnd Sub

#vb不接受键盘输入

随机阅读

qrcode
访问手机版