HiNC-2025-win-desktop-Deploy/App/wwwroot/HiAPI-docsite/api/Hi.Cbtr.UnmanagedSubstraction.html
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<title>Class UnmanagedSubstraction | HiAPI-C# 2025 </title>
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<article data-uid="Hi.Cbtr.UnmanagedSubstraction">
<h1 id="Hi_Cbtr_UnmanagedSubstraction" data-uid="Hi.Cbtr.UnmanagedSubstraction" class="text-break">
Class UnmanagedSubstraction
</h1>
<div class="facts text-secondary">
<dl><dt>Namespace</dt><dd><a class="xref" href="Hi.html">Hi</a>.<a class="xref" href="Hi.Cbtr.html">Cbtr</a></dd></dl>
<dl><dt>Assembly</dt><dd>HiCbtr.dll</dd></dl>
</div>
<div class="markdown summary"><p>Data about the removing behavior of <a class="xref" href="Hi.Cbtr.CubeTree.html">CubeTree</a>.</p>
</div>
<div class="markdown conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public class UnmanagedSubstraction : IDisplayee, IExpandToBox3d, IDisposable</code></pre>
</div>
<dl class="typelist inheritance">
<dt>Inheritance</dt>
<dd>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
<div><span class="xref">UnmanagedSubstraction</span></div>
</dd>
</dl>
<dl class="typelist implements">
<dt>Implements</dt>
<dd>
<div><a class="xref" href="Hi.Disp.IDisplayee.html">IDisplayee</a></div>
<div><a class="xref" href="Hi.Geom.IExpandToBox3d.html">IExpandToBox3d</a></div>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.idisposable">IDisposable</a></div>
</dd>
</dl>
<dl class="typelist inheritedMembers">
<dt>Inherited Members</dt>
<dd>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)">object.Equals(object, object)</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
</div>
<div>
<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>
</div>
</dd></dl>
<dl class="typelist extensionMethods">
<dt>Extension Methods</dt>
<dd>
<div>
<a class="xref" href="Hi.Common.DuplicateUtil.html#Hi_Common_DuplicateUtil_TryDuplicate__1___0_System_Object___">DuplicateUtil.TryDuplicate&lt;TSelf&gt;(TSelf, params object[])</a>
</div>
<div>
<a class="xref" href="Hi.Common.InvokeUtil.html#Hi_Common_InvokeUtil_SelfInvoke__1___0_System_Action___0__">InvokeUtil.SelfInvoke&lt;TSrc&gt;(TSrc, Action&lt;TSrc&gt;)</a>
</div>
<div>
<a class="xref" href="Hi.Common.InvokeUtil.html#Hi_Common_InvokeUtil_SelfInvoke__2___0_System_Func___0___1__">InvokeUtil.SelfInvoke&lt;TSrc, TDst&gt;(TSrc, Func&lt;TSrc, TDst&gt;)</a>
</div>
<div>
<a class="xref" href="Hi.Disp.DispUtil.html#Hi_Disp_DispUtil_Display_Hi_Disp_IDisplayee_Hi_Disp_Bind_Hi_Geom_Mat4d_">DispUtil.Display(IDisplayee, Bind, Mat4d)</a>
</div>
<div>
<a class="xref" href="Hi.Coloring.ColorUtil.html#Hi_Coloring_ColorUtil_GetGloomyColor_System_Object_System_Double_System_Double_">ColorUtil.GetGloomyColor(object, double, double)</a>
</div>
<div>
<a class="xref" href="Hi.Common.NameUtil.html#Hi_Common_NameUtil_GetSelectionName_System_Object_">NameUtil.GetSelectionName(object)</a>
</div>
<div>
<a class="xref" href="Hi.Common.StringUtil.html#Hi_Common_StringUtil_GetPropertyStringIfToStringNotOverloaded_System_Object_System_Boolean_System_Boolean_">StringUtil.GetPropertyStringIfToStringNotOverloaded(object, bool, bool)</a>
</div>
<div>
<a class="xref" href="Hi.Parallels.LockUtil.html#Hi_Parallels_LockUtil_Lock_System_Object_">LockUtil.Lock(object)</a>
</div>
</dd></dl>
<h2 class="section" id="fields">Fields
</h2>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_preserveCount" data-uid="Hi.Cbtr.UnmanagedSubstraction.preserveCount">
preserveCount
</h3>
<div class="markdown level1 summary"><p>The count of preservations to prevent disposal.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public int preserveCount</code></pre>
</div>
<h4 class="section">Field Value</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
<dd></dd>
</dl>
<h2 class="section" id="properties">Properties
</h2>
<a id="Hi_Cbtr_UnmanagedSubstraction_ContactContours_" data-uid="Hi.Cbtr.UnmanagedSubstraction.ContactContours*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_ContactContours" data-uid="Hi.Cbtr.UnmanagedSubstraction.ContactContours">
ContactContours
</h3>
<div class="markdown level1 summary"><p>Contact contours.</p>
<p>Each contour is composed by 3~12 points.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public List&lt;List&lt;Vec3d&gt;&gt; ContactContours { get; }</code></pre>
</div>
<h4 class="section">Property Value</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.list-1">List</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.list-1">List</a>&lt;<a class="xref" href="Hi.Geom.Vec3d.html">Vec3d</a>&gt;&gt;</dt>
<dd></dd>
</dl>
<a id="Hi_Cbtr_UnmanagedSubstraction_ContactContoursArea_" data-uid="Hi.Cbtr.UnmanagedSubstraction.ContactContoursArea*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_ContactContoursArea" data-uid="Hi.Cbtr.UnmanagedSubstraction.ContactContoursArea">
ContactContoursArea
</h3>
<div class="markdown level1 summary"><p>Gets the area of the contact contours.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public double ContactContoursArea { get; }</code></pre>
</div>
<h4 class="section">Property Value</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></dt>
<dd></dd>
</dl>
<a id="Hi_Cbtr_UnmanagedSubstraction_IsTouched_" data-uid="Hi.Cbtr.UnmanagedSubstraction.IsTouched*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_IsTouched" data-uid="Hi.Cbtr.UnmanagedSubstraction.IsTouched">
IsTouched
</h3>
<div class="markdown level1 summary"><p>Is the cutter and workpiece touched.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public bool IsTouched { get; }</code></pre>
</div>
<h4 class="section">Property Value</h4>
<dl class="parameters">
<dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></dt>
<dd></dd>
</dl>
<h2 class="section" id="methods">Methods
</h2>
<a id="Hi_Cbtr_UnmanagedSubstraction_Display_" data-uid="Hi.Cbtr.UnmanagedSubstraction.Display*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_Display_Hi_Disp_Bind_" data-uid="Hi.Cbtr.UnmanagedSubstraction.Display(Hi.Disp.Bind)">
Display(Bind)
</h3>
<div class="markdown level1 summary"><p>Display function called in <a class="xref" href="Hi.Disp.DispEngine.html">DispEngine</a> rendering loop.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Display(Bind bind)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>bind</code> <a class="xref" href="Hi.Disp.Bind.html">Bind</a></dt>
<dd><p>Bind with <a class="xref" href="Hi.Disp.DispEngine.html">DispEngine</a>. See <a class="xref" href="Hi.Disp.Bind.html">Bind</a>.</p>
</dd>
</dl>
<a id="Hi_Cbtr_UnmanagedSubstraction_DisplayContours_" data-uid="Hi.Cbtr.UnmanagedSubstraction.DisplayContours*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_DisplayContours_Hi_Disp_Bind_" data-uid="Hi.Cbtr.UnmanagedSubstraction.DisplayContours(Hi.Disp.Bind)">
DisplayContours(Bind)
</h3>
<div class="markdown level1 summary"><p>Display <a class="xref" href="Hi.Cbtr.UnmanagedSubstraction.html#Hi_Cbtr_UnmanagedSubstraction_ContactContours">ContactContours</a> by lines.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void DisplayContours(Bind bind)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>bind</code> <a class="xref" href="Hi.Disp.Bind.html">Bind</a></dt>
<dd><p>bind</p>
</dd>
</dl>
<a id="Hi_Cbtr_UnmanagedSubstraction_DisplayContours_" data-uid="Hi.Cbtr.UnmanagedSubstraction.DisplayContours*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_DisplayContours_System_Collections_Generic_List_System_Collections_Generic_List_Hi_Geom_Vec3d___Hi_Disp_Bind_" data-uid="Hi.Cbtr.UnmanagedSubstraction.DisplayContours(System.Collections.Generic.List{System.Collections.Generic.List{Hi.Geom.Vec3d}},Hi.Disp.Bind)">
DisplayContours(List&lt;List&lt;Vec3d&gt;&gt;, Bind)
</h3>
<div class="markdown level1 summary"><p>Displays contours in a visualization binding.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public static void DisplayContours(List&lt;List&lt;Vec3d&gt;&gt; contours, Bind bind)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>contours</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.list-1">List</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.list-1">List</a>&lt;<a class="xref" href="Hi.Geom.Vec3d.html">Vec3d</a>&gt;&gt;</dt>
<dd><p>The list of contours to display, where each contour is a list of 3D points.</p>
</dd>
<dt><code>bind</code> <a class="xref" href="Hi.Disp.Bind.html">Bind</a></dt>
<dd><p>The binding to display the contours in.</p>
</dd>
</dl>
<a id="Hi_Cbtr_UnmanagedSubstraction_Dispose_" data-uid="Hi.Cbtr.UnmanagedSubstraction.Dispose*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_Dispose" data-uid="Hi.Cbtr.UnmanagedSubstraction.Dispose">
Dispose()
</h3>
<div class="markdown level1 summary"><p>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void Dispose()</code></pre>
</div>
<a id="Hi_Cbtr_UnmanagedSubstraction_Dispose_" data-uid="Hi.Cbtr.UnmanagedSubstraction.Dispose*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_Dispose_System_Boolean_" data-uid="Hi.Cbtr.UnmanagedSubstraction.Dispose(System.Boolean)">
Dispose(bool)
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected virtual void Dispose(bool disposing)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>disposing</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></dt>
<dd></dd>
</dl>
<a id="Hi_Cbtr_UnmanagedSubstraction_ExpandToBox3d_" data-uid="Hi.Cbtr.UnmanagedSubstraction.ExpandToBox3d*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_ExpandToBox3d_Hi_Geom_Box3d_" data-uid="Hi.Cbtr.UnmanagedSubstraction.ExpandToBox3d(Hi.Geom.Box3d)">
ExpandToBox3d(Box3d)
</h3>
<div class="markdown level1 summary"><p>Expands the destination box.
This function is usually used to compute the bounding box of elements.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void ExpandToBox3d(Box3d dst)</code></pre>
</div>
<h4 class="section">Parameters</h4>
<dl class="parameters">
<dt><code>dst</code> <a class="xref" href="Hi.Geom.Box3d.html">Box3d</a></dt>
<dd><p>Destination box</p>
</dd>
</dl>
<a id="Hi_Cbtr_UnmanagedSubstraction_Finalize_" data-uid="Hi.Cbtr.UnmanagedSubstraction.Finalize*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_Finalize" data-uid="Hi.Cbtr.UnmanagedSubstraction.Finalize">
~UnmanagedSubstraction()
</h3>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected ~UnmanagedSubstraction()</code></pre>
</div>
<a id="Hi_Cbtr_UnmanagedSubstraction_PreserveBegin_" data-uid="Hi.Cbtr.UnmanagedSubstraction.PreserveBegin*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_PreserveBegin" data-uid="Hi.Cbtr.UnmanagedSubstraction.PreserveBegin">
PreserveBegin()
</h3>
<div class="markdown level1 summary"><p>Preserve the object from arising <a class="xref" href="Hi.Cbtr.UnmanagedSubstraction.html#Hi_Cbtr_UnmanagedSubstraction_Dispose">Dispose()</a>.
Add preserve count for 1.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void PreserveBegin()</code></pre>
</div>
<dl class="typelist seealso">
<dt>See Also</dt>
<dd>
<div><a class="xref" href="Hi.Cbtr.UnmanagedSubstraction.html#Hi_Cbtr_UnmanagedSubstraction_PreserveEnd">PreserveEnd()</a></div>
</dd>
</dl>
<a id="Hi_Cbtr_UnmanagedSubstraction_PreserveEnd_" data-uid="Hi.Cbtr.UnmanagedSubstraction.PreserveEnd*"></a>
<h3 id="Hi_Cbtr_UnmanagedSubstraction_PreserveEnd" data-uid="Hi.Cbtr.UnmanagedSubstraction.PreserveEnd">
PreserveEnd()
</h3>
<div class="markdown level1 summary"><p>Minus preserve count for 1.
If preserve count is eqaul or lower than 0, call <a class="xref" href="Hi.Cbtr.UnmanagedSubstraction.html#Hi_Cbtr_UnmanagedSubstraction_Dispose">Dispose()</a>.</p>
</div>
<div class="markdown level1 conceptual"></div>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public void PreserveEnd()</code></pre>
</div>
<dl class="typelist seealso">
<dt>See Also</dt>
<dd>
<div><a class="xref" href="Hi.Cbtr.UnmanagedSubstraction.html#Hi_Cbtr_UnmanagedSubstraction_PreserveBegin">PreserveBegin()</a></div>
</dd>
</dl>
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