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    <p>You can use radio buttons (since there's no radio group component available in Inno Setup):</p> <pre class="lang-pascal prettyprint-override"><code>[Code] procedure OnTypeChange(Sender: TObject); begin { set the item index in hidden TypesCombo } WizardForm.TypesCombo.ItemIndex := TNewRadioButton(Sender).Tag; { notify TypesCombo about the selection change } WizardForm.TypesCombo.OnChange(nil); end; procedure InitializeWizard; var I: Integer; RadioButton: TNewRadioButton; begin for I := 0 to WizardForm.TypesCombo.Items.Count - 1 do begin { create radio button and set the basic properties } RadioButton := TNewRadioButton.Create(WizardForm); RadioButton.Parent := WizardForm.SelectComponentsPage; RadioButton.Left := WizardForm.TypesCombo.Left; RadioButton.Top := WizardForm.TypesCombo.Top + I * RadioButton.Height; RadioButton.Width := WizardForm.TypesCombo.Width; { check just the first item } RadioButton.Checked := I = 0; RadioButton.Caption := WizardForm.TypesCombo.Items[I]; { the Tag property substitutes the index property } RadioButton.Tag := I; RadioButton.TabOrder := I; RadioButton.OnClick := @OnTypeChange; end; { hide the TypesCombo combo box } WizardForm.TypesCombo.Visible := False; { if you're not using the "iscustom" flag in any type entry, you can remove } { the following lines, because they resize and reposition the check list box } { for component selection, which is hidden, if you don't use "iscustom" flag } I := WizardForm.ComponentsList.Top - (RadioButton.Top + RadioButton.Height + 8); WizardForm.ComponentsList.Top := RadioButton.Top + RadioButton.Height + 8; WizardForm.ComponentsList.Height := WizardForm.ComponentsList.Height + I; end; </code></pre> <p>And the result (includes the <code>iscustom</code> component list):</p> <p><img src="https://i.stack.imgur.com/Wl97a.png" alt="enter image description here"></p> <p>Or you can use e.g. check list box, which is able to contain radio buttons in Inno Setup:</p> <pre class="lang-pascal prettyprint-override"><code>[Code] procedure OnTypeChange(Sender: TObject); begin { set the item index in hidden TypesCombo } WizardForm.TypesCombo.ItemIndex := TNewCheckListBox(Sender).ItemIndex; { notify TypesCombo about the selection change } WizardForm.TypesCombo.OnChange(nil); end; procedure InitializeWizard; var I: Integer; CheckListBox: TNewCheckListBox; begin { create the TNewCheckListBox object and set the basic properties } CheckListBox := TNewCheckListBox.Create(WizardForm); CheckListBox.Parent := WizardForm.SelectComponentsPage; CheckListBox.Left := WizardForm.TypesCombo.Left; CheckListBox.Top := WizardForm.TypesCombo.Top; CheckListBox.Width := WizardForm.TypesCombo.Width; CheckListBox.Height := CheckListBox.MinItemHeight * WizardForm.TypesCombo.Items.Count + 4; CheckListBox.TabOrder := 0; { assign the selection change event } CheckListBox.OnClickCheck := @OnTypeChange; { add radio buttons from all TypesCombo items, select the first item } for I := 0 to WizardForm.TypesCombo.Items.Count - 1 do CheckListBox.AddRadioButton(WizardForm.TypesCombo.Items[I], '', 0, I = 0, True, nil); { hide the TypesCombo combo box } WizardForm.TypesCombo.Visible := False; { if you're not using the "iscustom" flag in any type entry, you can remove } { the following lines, because they resize and reposition the check list box } { for component selection, which is hidden, if you don't use "iscustom" flag } I := WizardForm.ComponentsList.Top - (CheckListBox.Top + CheckListBox.Height + 8); WizardForm.ComponentsList.Top := CheckListBox.Top + CheckListBox.Height + 8; WizardForm.ComponentsList.Height := WizardForm.ComponentsList.Height + I; end; </code></pre> <p>And the result (includes the <code>iscustom</code> component list):</p> <p><img src="https://i.stack.imgur.com/7mqZW.png" alt="enter image description here"></p>
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    1. USMartin Prikryl
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    1. COHi TLama,thank you so much for the solution. It works perfect.
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      1. USChristian Rockrohr
    2. COYou're welcome!
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