Difference between revisions of "Unit Timezone"

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----
 
----
  
−
'''Ultibo Timezone interface unit'''
+
'''Ultibo Timezone Interface unit'''
−
 
+
−
''To be documented''
+
  
 
=== Constants ===
 
=== Constants ===
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<br />
 
<br />
 
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−
<div style="font-size: 14px; padding-left: 12px;">'''Timezone signature constants''' <code> TIMEZONE_SIGNATURE_* </code></div>
+
<div style="font-size: 14px; padding-left: 12px;">'''Timezone signature''' <code> TIMEZONE_SIGNATURE_* </code></div>
 
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{| class="wikitable" style="font-size: 14px; background: white;"
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
−
<code>LPSYSTEMTIME = ^SYSTEMTIME;</code>
+
<code>LPSYSTEMTIME = SysUtils.LPSYSTEMTIME;</code>
  
−
<code>SYSTEMTIME = _SYSTEMTIME;</code>
+
<code>SYSTEMTIME = SysUtils.SYSTEMTIME;</code>
  
−
<code>TSystemTime = SYSTEMTIME;</code>
+
<code>TSystemTime = SysUtils.TSystemTime;</code>
  
−
<code>PSystemTime = LPSYSTEMTIME;</code>
+
<code>PSystemTime = SysUtils.PSystemTime;</code>
  
−
<code>_SYSTEMTIME = record</code>
+
<code>_SYSTEMTIME = SysUtils.SYSTEMTIME;</code>
 
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{| class="wikitable" style="font-size: 14px; background: white;"
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| &nbsp;
 
| &nbsp;
 
|-
 
|-
−
| <code>StandardStart:TSystemTime;</code>
+
| <code>StandardStart:SYSTEMTIME;</code>
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
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| &nbsp;
 
| &nbsp;
 
|-
 
|-
−
| <code>DaylightStart:TSystemTime;</code>
+
| <code>DaylightStart:SYSTEMTIME;</code>
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
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| Signature for entry validation
 
| Signature for entry validation
 
|-
 
|-
−
| <code>Name:String;</code>
+
| <code>Name:array[0..TIMEZONE_NAME_LENGTH - 1] of Char;</code>
−
| &nbsp;
+
| Timezone name
 
|-
 
|-
−
| <code>Description:String;</code>
+
| <code>Description:array[0..TIMEZONE_DESC_LENGTH - 1] of Char;</code>
−
| &nbsp;
+
| Timezone description
 
|-
 
|-
 
| <code>Bias:LongInt;</code>
 
| <code>Bias:LongInt;</code>
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
−
| <code>StandardName:String;</code>
+
| <code>StandardName:array[0..TIMEZONE_NAME_LENGTH - 1] of Char;</code>
−
| &nbsp;
+
| Standard name
 
|-
 
|-
 
| <code>StandardBias:LongInt;</code>
 
| <code>StandardBias:LongInt;</code>
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
−
| <code>StandardStart:TSystemTime;</code>
+
| <code>StandardStart:SYSTEMTIME;</code>
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
−
| <code>DaylightName:String;</code>
+
| <code>DaylightName:array[0..TIMEZONE_NAME_LENGTH - 1] of Char;</code>
−
| &nbsp;
+
| Daylight name
 
|-
 
|-
 
| <code>DaylightBias:LongInt;</code>
 
| <code>DaylightBias:LongInt;</code>
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
−
| <code>DaylightStart:TSystemTime;</code>
+
| <code>DaylightStart:SYSTEMTIME;</code>
 
| &nbsp;
 
| &nbsp;
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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<br />
 
<br />
 
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−
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetState(Timezone:PTimezoneEntry):LongWord;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetState(Timezone:PTimezoneEntry):LongWord; inline;</pre>
−
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
+
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the state of the supplied Timezone at the current date and time</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Timezone
−
| None documented
+
| The timezone entry to get the state for
 +
|-
 +
! Return
 +
| The TIME_ZONE_ID_* constant representing the standard / daylight state of the timezone
 
|-
 
|-
 
|}
 
|}
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<br />
 
<br />
 
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−
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetActiveBias(Timezone:PTimezoneEntry):LongInt;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetStateEx(Timezone:PTimezoneEntry; const DateTime:TDateTime):LongWord;</pre>
−
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
+
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the state of the supplied Timezone at the specified date and time</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Timezone
−
| None documented
+
| The timezone entry to get the state for
 +
|-
 +
! DateTime
 +
| The date and time to get the state of the timezone at
 +
|-
 +
! Return
 +
| The TIME_ZONE_ID_* constant representing the standard / daylight state of the timezone
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetActiveBias(Timezone:PTimezoneEntry):LongInt; inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the bias (offset between UTC and Local) of the supplied Timezone at the current date and time</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Timezone
 +
| The timezone entry to get the bias for
 +
|-
 +
! Return
 +
| The bias in minutes offset between UTC and Local including any daylight bias if active
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetActiveBiasEx(Timezone:PTimezoneEntry; const DateTime:TDateTime):LongInt;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the bias (offset between UTC and Local) of the supplied Timezone at the specified date and time</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Timezone
 +
| The timezone entry to get the bias for
 +
|-
 +
! DateTime
 +
| The date and time to get the bias of the timezone at
 +
|-
 +
! Return
 +
| The bias in minutes offset between UTC and Local
 
|-
 
|-
 
|}
 
|}
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetStandardStart(Timezone:PTimezoneEntry):TSystemTime;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetStandardStart(Timezone:PTimezoneEntry):SYSTEMTIME;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetDaylightStart(Timezone:PTimezoneEntry):TSystemTime;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetDaylightStart(Timezone:PTimezoneEntry):SYSTEMTIME;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function TimezoneFindByStandard(const StandardName:String):PTimezoneEntry;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function TimezoneFindByDaylight(const DaylightName:String):PTimezoneEntry;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetCount:LongWord; inline;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetCount:LongWord;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current timezone count</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current timezone count</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetDefault:PTimezoneEntry; inline;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function TimezoneGetDefault:PTimezoneEntry;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current default timezone</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current default timezone</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function TimezoneStartToDateTime(const AStart:TSystemTime; AYear:Word):TDateTime;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function TimezoneUpdateEnvironment:LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Update the TZ environment variable to represent the current timezone</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| See: https://www.gnu.org/software/libc/manual/html_node/TZ-Variable.html
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function TimezoneStartToDateTime(const AStart:SYSTEMTIME; AYear:Word):TDateTime;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Calculate the start date and time from the start date of a timezone</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Calculate the start date and time from the start date of a timezone</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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<br />
 
<br />
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
−
<pre style="border: 0; padding-bottom:0px;">function TimezoneStartToDescription(const AStart:TSystemTime):String;</pre>
+
<pre style="border: 0; padding-bottom:0px;">function TimezoneStartToDescription(const AStart:SYSTEMTIME):String;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the description of the start date of a timezone</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the description of the start date of a timezone</div>
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 
| None documented
 
| None documented
 
|-
 
|-
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{| class="wikitable" style="font-size: 14px; background: white;"
 
{| class="wikitable" style="font-size: 14px; background: white;"
 
|-
 
|-
−
! '''Note'''
+
! Note
 +
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<pre style="border: 0; padding-bottom:0px;">function TimezoneNameToAbbreviation(const AName:String):String;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the abbreviation of a timezone name (eg Central Standard Time = CST)</div>
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Latest revision as of 03:34, 15 October 2024

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Description

Ultibo Timezone Interface unit

Constants


[Expand]
Timezone specific constants TIME_ZONE_*


[Expand]
Timezone signature TIMEZONE_SIGNATURE_*


Type definitions


System time

[Expand]

LPSYSTEMTIME = SysUtils.LPSYSTEMTIME;

SYSTEMTIME = SysUtils.SYSTEMTIME;

TSystemTime = SysUtils.TSystemTime;

PSystemTime = SysUtils.PSystemTime;

_SYSTEMTIME = SysUtils.SYSTEMTIME;

Timezone information

[Expand]

TIME_ZONE_INFORMATION = _TIME_ZONE_INFORMATION;

LPTIME_ZONE_INFORMATION = ^TIME_ZONE_INFORMATION;

TTimeZoneInformation = TIME_ZONE_INFORMATION;

PTimeZoneInformation = PTIME_ZONE_INFORMATION;

PTIME_ZONE_INFORMATION = ^TIME_ZONE_INFORMATION;

_TIME_ZONE_INFORMATION = record

Timezone data

[Expand]

PTimezoneData = ^TTimezoneData;

TTimezoneData = record

Timezone enumeration callback

TTimezoneEnumerate = function(Timezone:PTimezoneEntry; Data:Pointer):LongWord;

Timezone entry

[Expand]

PTimezoneEntry = ^TTimezoneEntry;

TTimezoneEntry = record


Public variables

None defined

Function declarations

Initialization functions

[Expand] 
procedure TimezoneInit;
Description: To be documented


Timezone functions

[Expand] 
function TimezoneAdd(Data:PTimezoneData; Default:Boolean):LongWord;
Description: Add a Timezone from a timezone data block and to the Timezone table


[Expand] 
function TimezoneDelete(Timezone:PTimezoneEntry):LongWord;
Description: To be documented


[Expand] 
function TimezoneGetName(Timezone:PTimezoneEntry):String;
Description: To be documented


[Expand] 
function TimezoneGetDescription(Timezone:PTimezoneEntry):String;
Description: To be documented


[Expand] 
function TimezoneGetBias(Timezone:PTimezoneEntry):LongInt;
Description: To be documented


[Expand] 
function TimezoneGetState(Timezone:PTimezoneEntry):LongWord; inline;
Description: Get the state of the supplied Timezone at the current date and time


[Expand] 
function TimezoneGetStateEx(Timezone:PTimezoneEntry; const DateTime:TDateTime):LongWord;
Description: Get the state of the supplied Timezone at the specified date and time


[Expand] 
function TimezoneGetActiveBias(Timezone:PTimezoneEntry):LongInt; inline;
Description: Get the bias (offset between UTC and Local) of the supplied Timezone at the current date and time


[Expand] 
function TimezoneGetActiveBiasEx(Timezone:PTimezoneEntry; const DateTime:TDateTime):LongInt;
Description: Get the bias (offset between UTC and Local) of the supplied Timezone at the specified date and time


[Expand] 
function TimezoneGetStandardName(Timezone:PTimezoneEntry):String;
Description: To be documented


[Expand] 
function TimezoneGetStandardBias(Timezone:PTimezoneEntry):LongInt;
Description: To be documented


[Expand] 
function TimezoneGetStandardDate(Timezone:PTimezoneEntry; Next:Boolean):TDateTime;
Description: To be documented


[Expand] 
function TimezoneGetStandardStart(Timezone:PTimezoneEntry):SYSTEMTIME;
Description: To be documented


[Expand] 
function TimezoneGetDaylightName(Timezone:PTimezoneEntry):String;
Description: To be documented


[Expand] 
function TimezoneGetDaylightBias(Timezone:PTimezoneEntry):LongInt;
Description: To be documented


[Expand] 
function TimezoneGetDaylightDate(Timezone:PTimezoneEntry; Next:Boolean):TDateTime;
Description: To be documented


[Expand] 
function TimezoneGetDaylightStart(Timezone:PTimezoneEntry):SYSTEMTIME;
Description: To be documented


[Expand] 
function TimezoneFind(const Name:String):PTimezoneEntry;
Description: To be documented


[Expand] 
function TimezoneFindByStandard(const StandardName:String):PTimezoneEntry;
Description: To be documented


[Expand] 
function TimezoneFindByDaylight(const DaylightName:String):PTimezoneEntry;
Description: To be documented


[Expand] 
function TimezoneEnumerate(Callback:TTimezoneEnumerate; Data:Pointer):LongWord;
Description: To be documented


Timezone helper functions

[Expand] 
function TimezoneGetCount:LongWord;
Description: Get the current timezone count


[Expand] 
function TimezoneGetDefault:PTimezoneEntry;
Description: Get the current default timezone


[Expand] 
function TimezoneSetDefault(Timezone:PTimezoneEntry):LongWord;
Description: Set the current default timezone


[Expand] 
function TimezoneCheck(Timezone:PTimezoneEntry):PTimezoneEntry;
Description: Check if the supplied Timezone is in the Timezone table


[Expand] 
function TimezoneUpdateOffset:LongWord;
Description: To be documented


[Expand] 
function TimezoneUpdateEnvironment:LongWord;
Description: Update the TZ environment variable to represent the current timezone


[Expand] 
function TimezoneStartToDateTime(const AStart:SYSTEMTIME; AYear:Word):TDateTime;
Description: Calculate the start date and time from the start date of a timezone


[Expand] 
function TimezoneStartToDescription(const AStart:SYSTEMTIME):String;
Description: Get the description of the start date of a timezone


[Expand] 
function TimezoneNameReplaceChar(const AName:String; AChar,AReplace:Char):String;
Description: Same as ReplaceChar in UltiboUtils, reproduced here to avoid including extra units


[Expand] 
function TimezoneNameToAbbreviation(const AName:String):String;
Description: Get the abbreviation of a timezone name (eg Central Standard Time = CST)


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