📄 例7-8.mht
字号:
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'>
</span>Text1.Text =3D "Color=3DRGB(" & r & "," =
& g
& "," & b & ")"</span></p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>En=
d Sub<o:p></o:p></span></b></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>文本框</span><span lang=3DEN-US>Text1<=
/span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>的</span><span lang=3DEN-US>GotFocus</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>事件代码为：</span><=
/p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>Pr=
ivate Sub
Text1_GotFocus()<o:p></o:p></span></b></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'>
</span>Text1.SelStart =3D 10</span></p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>En=
d Sub<o:p></o:p></span></b></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>文本框</span><span lang=3DEN-US>Text1<=
/span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>的</span><span lang=3DEN-US>KeyPress</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>事件代码为：</span><=
/p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>Pr=
ivate Sub
Text1_KeyPress(KeyAscii As Integer)<o:p></o:p></span></b></p>
<p class=3Da><span lang=3DEN-US>If KeyAscii =3D 13 Then</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>a =3D InStr(10, Text1.Text, ",")</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>b =3D InStr(a + 1, Text1.Text, ",")</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>c =3D InStr(b + 1, Text1.Text, ")")</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>HScroll1(0) =3D Val(Mid(Text1.Text, 11, a – 10))</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>HScroll1(1) =3D Val(Mid(Text1.Text, a + 1, b – a))</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>HScroll1(2) =3D Val(Mid(Text1.Text, b + 1, c – b – 1))</=
span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>End If</span></p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>En=
d Sub<o:p></o:p></span></b></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>说明：</span></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>①</span> <span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>函数=
</span><span
lang=3DEN-US>InStr</span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>（</span><=
span
lang=3DEN-US>n,</span><span style=3D'font-family:SimSun;mso-ascii-font-fami=
ly:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>〈字符串</=
span><span
lang=3DEN-US>1</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>〉</span><span lang=3DEN-US>=
,</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>〈字符串</span><span lang=3DEN-U=
S>2</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>〉）从字符串</span><=
span
lang=3DEN-US>1</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>第</span><span lang=3DEN-US>=
n</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>个位置开始查找=
字符串</span><span
lang=3DEN-US>2</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>首次出现&#=
30340;位置，并返回一个ă=
72;数。</span></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>②</span> <span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>控件=
也有默认值，大多数=
0340;控件都默认为其值़=
6;性。因此：</span></p>
<p class=3Da><span lang=3DEN-US>VScroll1(0) =3D Val(Mid(Text1.Text, 11, a &=
#8211;
10))</span></p>
<p class=3DMsoNormal><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>相当于：</=
span></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </spa=
n></span><span
lang=3DEN-US style=3D'font-size:9.0pt;mso-bidi-font-size:10.0pt'>VScroll1(0=
).Value
=3D Val(Mid(Text1.Text, 11, a </span><span lang=3DEN-US>–</span><span
lang=3DEN-US style=3D'font-size:9.0pt;mso-bidi-font-size:10.0pt'> 10))<o:p>=
</o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hans=
i-font-family:
"Times New Roman"'>程序运行结果如=
图</span><span
lang=3DEN-US>7-19</span><span style=3D'font-family:SimSun;mso-ascii-font-fa=
mily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>所示=
。</span></p>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center;text-indent:=
21.6pt'><span
lang=3DEN-US><!--[if gte vml 1]><v:shape id=3D"_x0000_i1026" type=3D"#_x000=
0_t75"
style=3D'width:165pt;height:103.8pt'>
<v:imagedata src=3D"file9688.files/image003.png" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D220 height=3D138
src=3D"file9688.files/image004.jpg" v:shapes=3D"_x0000_i1026"><![endif]></s=
pan></p>
<h6><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roma=
n";
mso-hansi-font-family:Roman'>图</span><span lang=3DEN-US>7-19<span
style=3D'mso-spacerun:yes'> </span></span><span style=3D'font-family:=
SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:Roman'>ఴ=
3;序运行结果</span></h6>
<p class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p>
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