如何用VB實現文字移動式高亮

2023-01-09 18:55:48 字數 831 閱讀 9246

1樓:帳號已登出

dim i

private sub form_load()timer1.enabled = falsetimer1.interval = 1000end sub

private sub command1_click()timer1.enabled = truetext1.setfocus

end sub

private sub timer1_timer()text1.selstart = i

text1.sellength = 3

if i > len(text1.text) then timer1.enabled = false

i = i + 3

end sub

2樓:

dim n as integer, i as integerprivate sub command1_click()n = len(text1.text) \ 3i = -1

timer1.enabled = not timer1.enabled

text1.setfocus

end sub

private sub timer1_timer()i = i + 1

if i < n then

text1.selstart = i * 3text1.sellength = 3

elseif i = n then

text1.selstart = i * 3text1.sellength = len(text1.text) - i * 3

i = -1

end if

end sub

如何用VB實現秦九昭演算法

第一題解 作出底邊bc上的高ad 等腰 abc的周長為26 ab ac bc 26 ab ac,且ab bc 4 bc 4 bc 4 bc 26 3bc 18 bc 6 ab ac 6 4 10 bc 2 2 ad 2 ab 2 3 2 ad 2 10 2 ad 2 100 9 91 ad 根號91...

VB如何實現顏色隨機選擇,VB如何實現顏色隨機選擇

private sub form click randomize timer backcolor rgb rnd 256,rnd 256,rnd 256 end sub 這是bai改變窗體du背景顏 zhi色的 dao過版 程 權。rgb int rnd 256 int rnd 256 int rn...

在vb中如何用迴圈語句給多個連續文字框賦值

dim obj as object,objname as string,i as integer i 0 for each obj in me.controls 列舉窗體所有控制元件 debug.print typename obj if typename obj textbox then 判讀是否...