📄 usage properties.html
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<title>Usage: Properties</title>
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<h2>Properties</h2>
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<table style="text-align: left; width: 100%;" border="1" cellpadding="2" cellspacing="2"><tbody>
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<td style="width: 40%;"><font color="DarkBlue">Mode</font></td>
<td>Current view mode.<br>
Possible values:<br>
<ul>
<li><b>vbmodeText</b>: Text mode</li>
<li><b>vbmodeBinary</b>: Binary mode</li>
<li><b>vbmodeHex</b>: Hex mode</li>
<li><b>vbmodeUnicode</b>: Unicode mode</li>
<li><b>vbmodeUHex</b>: Combined Unicode/Hex mode</li>
</ul>
</td>
</tr>
<tr>
<td><font color="DarkBlue">TextEncoding</font></td>
<td>Current text encoding.<br>
Works in non-Unicode modes.<br>
Possible values:<br>
<ul>
<li><b>vencANSI</b>: ANSI (locale dependent)</li>
<li><b>vencOEM</b>: OEM (locale dependent)</li>
<li><b>vencEBCDIC</b>: IBM EBCDIC US</li>
<li><b>vencKOI8</b>: KOI8-R</li>
<li><b>vencISO</b>: ISO (locale dependent)</li>
<li><b>vencMac</b>: Mac (locale dependent)</li>
<li>plus many others, see the complete list in ATxCodepages.pas.
</ul>
Notes:
<ul>
<li>When encoding is OEM, text may be drawn using different font, see FontOEM.
<li>Technical notes:
<ul>
<li>ANSI, OEM, EBCDIC, KOI8, ISO, Mac encodings are always available.
<li>EBCDIC, KOI8, ISO, Mac encodings are used via MultiByteToWideChar API, if possible.
But if they are not installed on OS (for example, on Win9x),
then the hardcoded codepages are used.
<li>All other encodings are used via MultiByteToWideChar API,
they are available only when installed on OS.
</ul>
</ul>
</td>
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<tr>
<td><font color="DarkBlue">TextEncodingName</font> (public, read-only)</td>
<td>Name of current text encoding.<br>
Note:<br>
<ul>
<li> It can be read in all modes, even in Unicode.
In Unicode modes is will show "UTF-16 LE" or "UTF-16 BE".
</ul>
</td>
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<tr>
<td><font color="DarkBlue">TextWrap</font></td>
<td>Enables word wrap.<br>
Works in Text and Unicode modes.
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">TextWidth</font> <br>
<font color="DarkBlue">TextWidthHex</font> <br>
<font color="DarkBlue">TextWidthUHex</font>
</td>
<td>Width of text in fixed-length modes:
<ul>
<li> <b>TextWidth</b>: Binary mode.
<li> <b>TextWidthHex</b>: Hex mode.
<li> <b>TextWidthUHex</b>: Unicode/Hex mode.
</ul>
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">TextWidthFit</font> <br>
<font color="DarkBlue">TextWidthFitHex</font> <br>
<font color="DarkBlue">TextWidthFitUHex</font>
</td>
<td>Enables width auto-fit in fixed-length modes.<br>
<ul>
<li> <b>TextWidthFit</b>: Binary mode.
<li> <b>TextWidthFitHex</b>: Hex mode.
<li> <b>TextWidthFitUHex</b>: Unicode/Hex mode.
</ul>
Note:<br>
<ul>
<li>These properties work correctly only with monospaced fonts.
With fonts of variable width you can get text partially
not fitting in the control.
</ul>
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">TextSearchIndentVert</font> <br>
<font color="DarkBlue">TextSearchIndentHorz</font>
</td>
<td>Text indents, used when text is highlighted with successfull FindText / FindNext methods call.
<ul>
<li> <b>TextSearchIndentVert</b>: number of lines above selection.
<li> <b>TextSearchIndentHorz</b>: average number of chars lefter than selection.
</ul>
</td>
</tr>
<tr>
<td><font color="DarkBlue">TextTabSize</font></td>
<td>Tabulation (#9) size.
</td>
</tr>
<tr>
<td><font color="DarkBlue">TextOemSpecial</font></td>
<td>Enables usage of special OEM font (when TextEncoding = vencOEM).<br>
Note:
<ul>
<li> This property should be set to True only on older Win9x systems.
NT systems support displaying of OEM text in Unicode
(using MultiByteToWideChar API and Unicode fonts),
so special OEM font is not needed.
</ul>
</td>
</tr>
<tr>
<td><font color="DarkBlue">TextNonPrintable</font></td>
<td>Enables displaying of non-printable characters.<br>
Note:<br>
<ul>
<li> When enabled, spaces are shown as small dots,
tabs (#9) are shown as "right arrows",
and line ends are shown as "paragraphs".
</ul>
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">TextGutter</font> <br>
<font color="DarkBlue">TextGutterWidth</font>
</td>
<td>Gutter (vertical bar on the left) options:
<ul>
<li> Enables gutter.
<li> Gutter width.
</ul>
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">Font</font> (inherited) <br>
<font color="DarkBlue">FontOEM</font> <br>
<font color="DarkBlue">FontFooter</font>
</td>
<td>Fonts:
<ul>
<li> Default font.
<li> OEM text font.
Used in Text/Binary/Hex modes when (TextEncoding = vencOEM) and (TextOemSpecial = True).
<li> Font used for printing footer.
</ul>
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">Color</font> (inherited) <br>
<font color="DarkBlue">
TextColorGutter <br>
TextColorHex <br>
TextColorHex2 <br>
TextColorHexBack <br>
TextColorLines <br>
TextColorError
</font></td>
<td>
Colors of:
<ul>
<li> Text background
<li> Gutter
<li> Hex digits (even)
<li> Hex digits (odd)
<li> Hex digits background
<li> Hex mode vertical lines
<li> Error messages (displayed when read error occurs)
</ul>
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">
AutoReload <br>
AutoReloadBeep <br>
AutoReloadFollowTail
</font>
</td>
<td>File auto-reloading options:<br>
<ul>
<li> Enables auto-reload.
<li> Enables beep on reload.
<li> Enables repositioning at the file end, if previous view position was also at the end.
</ul>
</td>
</tr>
<tr>
<td><font color="DarkBlue">TextPopupCommands</font></td>
<td>Set of commands visible in the popup (right-click) menu.<br>
Commands available:<br>
<ul>
<li><b>vpCmdCopy</b>: Copy selection to Clipboard.
<li><b>vpCmdCopyHex</b>: Copy selection in hex form in Hex mode.
<li><b>vpCmdSelectLine</b>: Select current line.
<li><b>vpCmdSelectAll</b>: Select all text.
<li><b>vpCmdEncMenu</b>: Show encodings menu.
</ul>
</td>
</tr>
<tr>
<td><font color="DarkBlue">TextPopupCaption[AIndex: TATPopupCommand]</font> <br> (public, write-only) </td>
<td>Captions of popup (right-click) menu items.<br>
For possible values of AIndex see TextPopupCommands.
</td>
</tr>
<tr>
<td><font color="DarkBlue">MaxLengths[AIndex: TATBinHexMode]</font> (public)</td>
<td>Maximal line lengths.<br>
These values are for all view modes of ATBinHex control: Text, Binary, Hex, Unicode.
They set internal values that define the maximal length of a single string in a file.
Values are 300 by default.
For example, you may set MaxLengths[vbmodeText] to 1000 if user needs to work
with strings of length 1000 in Text mode.<br>Notes:<br>
<ul>
<li>Larger values increase size of memory buffer for a file, and slow down file reading.
<li>Values are applied after file reopening, e.g. after calling Open/OpenStream/Reload methods
and after changing Mode property.
</ul>
</td>
<tr>
<td><font color="DarkBlue">MaxClipboardDataSizeMb</font> (public)</td>
<td>Maximal data size (in Mb) for copying to Clipboard.<br>
Default value is 16 (Mb), which prevents visual "hanging" when too large block
is selected accidentally before copying.
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">SelStart</font> (public) <br>
<font color="DarkBlue">SelLength</font> (public) <br>
<font color="DarkBlue">SelText</font> (public, read-only) <br>
<font color="DarkBlue">SelTextW</font> (public, read-only) <br>
<font color="DarkBlue">SelTextShort</font> (public, read-only) <br>
<font color="DarkBlue">SelTextShortW</font> (public, read-only)
</td>
<td>Current selection properties:
<ul>
<li> <b>SelStart</b>: Selection start (Int64, 0-based).
<li> <b>SelLength</b>: Selection length (Int64).
<li> <b>SelText</b>: Selection text (AnsiString) in non-Unicode modes.
<li> <b>SelTextW</b>: Selection text (WideString) in Unicode mode.
<li> <b>SelTextShort</b>: Same as SelText, but limited to the length of 256 chars.
<li> <b>SelTextShortW</b>: Same as SelTextW, but limited to the length of 256 chars.
</ul>
Note:<br>
<ul>
<li>You should call SelText/SelTextW inside try...except block,
because when selection is too big, exception is generated.
</ul>
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">PosPercent</font> <br>
<font color="DarkBlue">PosOffset</font> (public)</td>
</td>
<td>Current scroll position:
<ul>
<li> Relative position in percents (%). <br>
<li> Absolute position (Int64, 0-based). <br>
</ul>
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">
SearchResultStart <br>
SearchResultLength
</font> (public, read-only)
</td>
<td>Last search result:
<ul>
<li> Search match position (Int64, 0-based).
<li> Search match length.
</ul>
</td>
</tr>
<tr>
<td>
<font color="DarkBlue">
MarginLeft <br>
MarginTop <br>
MarginRight <br>
MarginBottom
</font> (public)
</td>
<td>Printing margins.<br>
Currently in mm.
</td>
</tr>
</tbody>
</table>
</body>
</html>
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