📄 例14-2.mht
字号:
MIME-Version: 1.0
Content-Location: file:///C:/C2C955D2/file4610.htm
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html; charset="us-ascii"
<html xmlns:o=3D"urn:schemas-microsoft-com:office:office"
xmlns:w=3D"urn:schemas-microsoft-com:office:word"
xmlns:st1=3D"urn:schemas-microsoft-com:office:smarttags"
xmlns=3D"http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=3DContent-Type content=3D"text/html; charset=3Dus-ascii">
<meta name=3DProgId content=3DWord.Document>
<meta name=3DGenerator content=3D"Microsoft Word 11">
<meta name=3DOriginator content=3D"Microsoft Word 11">
<link rel=3DFile-List href=3D"file4610.files/filelist.xml">
<title>【例14-2】Clear方法使用=
1034;例</title>
<o:SmartTagType namespaceuri=3D"urn:schemas-microsoft-com:office:smarttags"
name=3D"place"/>
<!--[if gte mso 9]><xml>
<o:DocumentProperties>
<o:Author>lll111</o:Author>
<o:LastAuthor>lll111</o:LastAuthor>
<o:Revision>1</o:Revision>
<o:TotalTime>0</o:TotalTime>
<o:Created>2003-10-11T14:30:00Z</o:Created>
<o:LastSaved>2003-10-11T14:30:00Z</o:LastSaved>
<o:Pages>1</o:Pages>
<o:Words>81</o:Words>
<o:Characters>466</o:Characters>
<o:Lines>3</o:Lines>
<o:Paragraphs>1</o:Paragraphs>
<o:CharactersWithSpaces>546</o:CharactersWithSpaces>
<o:Version>11.6568</o:Version>
</o:DocumentProperties>
</xml><![endif]--><!--[if gte mso 9]><xml>
<w:WordDocument>
<w:SpellingState>Clean</w:SpellingState>
<w:GrammarState>Clean</w:GrammarState>
<w:PunctuationKerning/>
<w:DrawingGridVerticalSpacing>7.8 磅</w:DrawingGridVerticalSpacing>
<w:DisplayHorizontalDrawingGridEvery>0</w:DisplayHorizontalDrawingGridEve=
ry>
<w:DisplayVerticalDrawingGridEvery>2</w:DisplayVerticalDrawingGridEvery>
<w:ValidateAgainstSchemas/>
<w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid>
<w:IgnoreMixedContent>false</w:IgnoreMixedContent>
<w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText>
<w:Compatibility>
<w:SpaceForUL/>
<w:BalanceSingleByteDoubleByteWidth/>
<w:DoNotLeaveBackslashAlone/>
<w:ULTrailSpace/>
<w:DoNotExpandShiftReturn/>
<w:AdjustLineHeightInTable/>
<w:SelectEntireFieldWithStartOrEnd/>
<w:UseWord2002TableStyleRules/>
<w:UseFELayout/>
</w:Compatibility>
<w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel>
</w:WordDocument>
</xml><![endif]--><!--[if gte mso 9]><xml>
<w:LatentStyles DefLockedState=3D"false" LatentStyleCount=3D"156">
</w:LatentStyles>
</xml><![endif]--><!--[if !mso]><object
classid=3D"clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D" id=3Dieooui></objec=
t>
<style>
st1\:*{behavior:url(#ieooui) }
</style>
<![endif]-->
<style>
<!--
/* Font Definitions */
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;
mso-font-alt:SimSun;
mso-font-charset:134;
mso-generic-font-family:auto;
mso-font-pitch:variable;
mso-font-signature:3 135135232 16 0 262145 0;}
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;
mso-font-charset:134;
mso-generic-font-family:auto;
mso-font-pitch:variable;
mso-font-signature:3 135135232 16 0 262145 0;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{mso-style-parent:"";
margin:0cm;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
mso-pagination:none;
mso-layout-grid-align:none;
font-size:10.5pt;
mso-bidi-font-size:10.0pt;
font-family:"Times New Roman";
mso-fareast-font-family:SimSun;
mso-font-kerning:10.5pt;}
p.a, li.a, div.a
{mso-style-name:\4EE3\7801;
mso-style-next:\6B63\6587;
margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:42.55pt;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
line-height:14.0pt;
mso-line-height-rule:exactly;
mso-pagination:none;
mso-layout-grid-align:none;
font-size:9.0pt;
mso-bidi-font-size:10.0pt;
font-family:"Times New Roman";
mso-fareast-font-family:SimSun;
mso-font-kerning:10.5pt;}
span.SpellE
{mso-style-name:"";
mso-spl-e:yes;}
span.GramE
{mso-style-name:"";
mso-gram-e:yes;}
/* Page Definitions */
@page
{mso-page-border-surround-header:no;
mso-page-border-surround-footer:no;}
@page Section1
{size:595.3pt 841.9pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;
mso-header-margin:42.55pt;
mso-footer-margin:49.6pt;
mso-paper-source:0;
layout-grid:15.6pt;}
div.Section1
{page:Section1;}
-->
</style>
<!--[if gte mso 10]>
<style>
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:\666E\901A\8868\683C;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.0pt;
font-family:"Times New Roman";
mso-ansi-language:#0400;
mso-fareast-language:#0400;
mso-bidi-language:#0400;}
</style>
<![endif]-->
</head>
<body lang=3DZH-CN style=3D'tab-interval:21.0pt;text-justify-trim:punctuati=
on'>
<div class=3DSection1 style=3D'layout-grid:15.6pt'>
<p class=3DMsoNormal><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>【例</span><span
lang=3DEN-US>14-2</span><span style=3D'font-family:SimSun;mso-ascii-font-fa=
mily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>】</span><=
span
lang=3DEN-US>Clear</span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>方法=
使用示例。本示例使=
9992;</span><span
lang=3DEN-US>Err</span><span style=3D'font-family:SimSun;mso-ascii-font-fam=
ily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>对象=
的</span><span
lang=3DEN-US>Clear</span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>方法=
将</span><span
lang=3DEN-US>Err</span><span style=3D'font-family:SimSun;mso-ascii-font-fam=
ily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>对象=
之数值属性重新设置=
0026;零,并将其字符串़=
6;性设置为零长度字符&=
#20018;。如果在代码中省=
053;</span><span
lang=3DEN-US>Clear</span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>方法=
,则每完成一次循环=
0415;会显示一次错误信ত=
7;(发生错误之后),&=
#19981;论程序中的计算结=
524;是否真的有错误。</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"'>程序代码如下:=
</span></p>
<p class=3Da><span lang=3DEN-US>Dim Result(10) As Integer<span
style=3D'mso-spacerun:yes'> </span><span style=3D'mso-tab-count=
:3'>  =
; <=
/span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>声明数组&#=
21464;量</span></p>
<p class=3Da><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'>
</span><span style=3D'mso-tab-count:7'> =
&nb=
sp; =
&nb=
sp; </span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>其元素容&#=
26131;溢出</span></p>
<p class=3Da><span lang=3DEN-US>Dim <span class=3DSpellE>indx</span></span>=
</p>
<p class=3Da><span lang=3DEN-US>On Error Resume Next<span
style=3D'mso-spacerun:yes'> </span><span style=3D'mso-tab-count=
:4'>  =
; &n=
bsp; </span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>将错误处&#=
29702;的方式设为“继续ߍ=
9;一行”。</span></p>
<p class=3Da><span lang=3DEN-US>Do Until <span class=3DSpellE>indx</span> =
=3D 10</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>' </span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Ti=
mes New Roman";
mso-hansi-font-family:"Times New Roman"'>下面计算&#=
33509;有错误发生,便显Ķ=
34;错误信息。</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p; </span><span
class=3DGramE>Result(</span><span class=3DSpellE>indx</span>) =3D <span cla=
ss=3DSpellE>Rnd</span>
* <span class=3DSpellE>indx</span> * 20000</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>If <span class=3DSpellE>Err.Number</span> <> 0 Then</span></p>
<p class=3Da><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span><span
class=3DSpellE>MsgBox</span> Err, , "Error Generated: ", <span
class=3DSpellE>Err.HelpFile</span>, <span class=3DSpellE>Err.HelpContext</s=
pan><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"'>弹出信息框</span></p>
<p class=3Da><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span><span
class=3DSpellE>Err.Clear</span><span style=3D'mso-spacerun:yes'>
</span><span style=3D'mso-tab-count:5'> =
&nb=
sp; =
</span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
mso-hansi-font-family:"Times New Roman"'>清除</span><span
lang=3DEN-US> Err </span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>对象=
的属性。</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>Else</span></p>
<p class=3Da><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span><span
class=3DSpellE><span class=3DGramE>indx</span></span> =3D <span class=3DSpe=
llE>indx</span>
+ 1</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>End If</span></p>
<p class=3Da><st1:place w:st=3D"on"><span lang=3DEN-US>Loop</span></st1:pla=
ce></p>
<p class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p>
</div>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -