推荐回答(4个)
2、form_load里面用text3.SetFocus
3、keyup或keypress这些,if keycode=13 then text3.SetFocus
4、if text1.text="123456" then …你的代码… else text1.text="":text1.SetFocus
5、没有读懂,应该是打开一个vb(自己的代码窗口)之后再进行复制粘贴,vb不会去看windows的剪贴板的内容,而是用自己的剪贴板,所以vb没有运行时复制的内容无法粘贴到vb里面。
6、一般是form_load里面,form_load就是用于初始化的事件,如果要动态的改变的话也可以根据需要写在其他事件里:command1.top=me.height/2-command1.height/2
command1.left=me.Width /2-command1.Width/2
7、没有办法了,text输入的话不是keypress事件,只能用If Len(Text1.Text) > 0 Then Text1.Text = Mid(Text1.Text, 1, Len(Text1.Text) - 1)也就是取出长度减一个字符,重新放入text
8、静态数组是在过程结束后存储空间不消毁,里面的数据在下次调用该过程时仍然可以用,而动态数组相反,每次调用该过程都重新分配内存,原来的数据不存在了。当然都可以用变量下标
9、我觉得vb里面函数好像就叫过程
10、如果是sub的就用call,如果是function的就直接使用。如:
sub a(q) function s(h)
call a(2) c=s(2)
11、在10中,q和h是形参,两个2是实参,形参是程序中用到的传入变量,不必有值,而实参是给函数处理的数据,必须有确定的值。
值引用是直接把一个变量里的值拿来用,地址引用则通过地址找数据,地址引用可以不受函数的限制,只要知道一个数据的地址,那么就可以使用其他函数的数据,甚至修改数据,而值引用无法修改其他函数的变量的数据。地址引用的实参必须是地址值而不是数据,地址通过取地址函数求得。
12、1秒等于1000毫秒,所以30秒就是30000,注意最大值六万五千多。
13、不会互相影响,text的输入与按键的事件没有关系
14、1,Open 1.txt For Input As #1
close #1
2,Open 2.txt For Output As #2
close #2
3,记不得了
15、代码多,不写,方法:打开一个,把另一个追加到文件尾,或者,创建一个文件,然后把两个文件都读来写进去。
16、picturebox可以改变自身大小适应图片大小,image可以把图像变得和自己一样大,picturebox可以作为容器放其他控件,还可以绘图,而image不可以。
17、(也许不全)bmp,jpg,gif,cur(32*32),ico(32*32)
18、loadpicture,如:image1.picture=loadpicture("c:\1.bmp")
19、不知
20、不知
21、不知
建议好好看看书,这个问题实在是太简单了,如果这个您不会就尽快放弃编程吧,您不是那块料..
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