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Example 18.1

The Code:

Dim strColor As String

Private Sub RadioButton8_CheckedChanged(ByVal sender As System!b"ect# ByVal e AsSystem$ventArgs% &andles RadioButton8CheckedChangedstrColor ' Red$nd Sub

Private Sub RadioButton)_CheckedChanged(ByVal sender As System!b"ect# ByVal e AsSystem$ventArgs% &andles RadioButton)CheckedChangedstrColor ' *reen$nd Sub

Private Sub Radio+ello,_CheckedChanged(ByVal sender As System!b"ect# ByVal e AsSystem$ventArgs% &andles Radio+ello,CheckedChangedstrColor ' +ello,$nd Sub

Private Sub Button-_Click(ByVal sender As System!b"ect# ByVal e As System$ventArgs%&andles Button-Click.abel/0e1t ' strColor $nd Sub

 Although the user may only select one item at a time# he may make more than one selection i2those items belong to di22erent categories 3or e1am4le# the user ,ish to choose 05shirt si6e andcolor# he needs to select one color and one si6e# ,hich means one selection in each category0his is easily achieved in VB/778 by using the *rou4bo1 control under the containers categories

 A2ter inserting the *rou4bo1 into the 2orm# you can 4roceed to insert the radio buttons into the*rou4bo1 !nly the radio buttons inside the *rou4bo1 are mutually e1clusive# they are notmutually e1clusive ,ith the radio buttons outside the *rou4bo1 n $1am4le -8/# the users canselect one color and one si6e o2 the 05shirt

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Example 18.2

 

Dim strColor As String

Dim strSi6e As String

Private Sub RadioButton8_CheckedChanged(ByVal sender As System!b"ect# ByVal e As

System$ventArgs% &andles RadioButton8CheckedChanged

strColor ' Red

$nd Sub

Private Sub RadioButton)_CheckedChanged(ByVal sender As System!b"ect# ByVal e As

System$ventArgs% &andles RadioButton)CheckedChanged

strColor ' *reen

$nd Sub

Private Sub Radio+ello,_CheckedChanged(ByVal sender As System!b"ect# ByVal e As

System$ventArgs% &andles Radio+ello,CheckedChanged

strColor ' +ello,

$nd Sub

Private Sub Button-_Click(ByVal sender As System!b"ect# ByVal e As System$ventArgs%

&andles Button-Click

.abel/0e1t ' strColor 

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.abel90e1t ' strSi6e

$nd Sub

Private Sub Radio:._CheckedChanged(ByVal sender As System!b"ect# ByVal e As

System$ventArgs% &andles Radio:.CheckedChanged

strSi6e ' :.

$nd Sub

Private Sub Radio._CheckedChanged(ByVal sender As System!b"ect# ByVal e As

System$ventArgs% &andles Radio.CheckedChanged

strSi6e ' .

$nd Sub

Private Sub Radio;_CheckedChanged(ByVal sender As System!b"ect# ByVal e As

System$ventArgs% &andles Radio;CheckedChanged

strSi6e ' ;

$nd Sub

Private Sub RadioS_CheckedChanged(ByVal sender As System!b"ect# ByVal e As

System$ventArgs% &andles RadioSCheckedChanged

strSi6e ' S

$nd Sub