group__ctrl__combobox__msgs.htm

MINIGUI1.6开发API

<p>
Definition at line <a class="el" href="combobox_8h-source.htm#l00329">329</a> of file <a class="el" href="combobox_8h-source.htm">combobox.h</a>.    </td>
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<a class="anchor" name="ga7" doxytag="combobox.h::CB_GETCURSEL"></a><p>
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          <td class="md" nowrap valign="top">#define CB_GETCURSEL&nbsp;&nbsp;&nbsp;0xF147          </td>
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<p>
Retreives the index of the currently selected item in the list box. 
<p>
An application sends a CB_GETCURSEL message to retreive the index of the currently selected item in the list box of a combo box.<p>
<div class="fragment"><pre class="fragment"> <a class="code" href="group__ctrl__combobox__msgs.htm#ga7">CB_GETCURSEL</a>

 wParam = 0;
 lParam = 0;
</pre></div><p>
<dl compact><dt><b>Returns:</b></dt><dd>The index of currently selected item in the list box if have one; otherwise CB_ERR. </dd></dl>

<p>
Definition at line <a class="el" href="combobox_8h-source.htm#l00348">348</a> of file <a class="el" href="combobox_8h-source.htm">combobox.h</a>.    </td>
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<a class="anchor" name="ga18" doxytag="combobox.h::CB_GETDROPPEDCONTROLRECT"></a><p>
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          <td class="md" nowrap valign="top">#define CB_GETDROPPEDCONTROLRECT&nbsp;&nbsp;&nbsp;0xF152          </td>
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<p>
Retreives the screen coordinates of the dropdown list box of a combo box. 
<p>
<div class="fragment"><pre class="fragment"> <a class="code" href="group__ctrl__combobox__msgs.htm#ga18">CB_GETDROPPEDCONTROLRECT</a>
 <a class="code" href="struct__RECT.htm">RECT</a> *rect;

 wParam = 0;
 lParam = (<a class="code" href="group__win32__types.htm#ga9">LPARAM</a>)rect;
</pre></div><p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>rect</em>&nbsp;</td><td>Pointer to the RECT structure used to save the coordinates. </td></tr>
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</dl>

<p>
Definition at line <a class="el" href="combobox_8h-source.htm#l00552">552</a> of file <a class="el" href="combobox_8h-source.htm">combobox.h</a>.    </td>
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<a class="anchor" name="ga23" doxytag="combobox.h::CB_GETDROPPEDSTATE"></a><p>
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          <td class="md" nowrap valign="top">#define CB_GETDROPPEDSTATE&nbsp;&nbsp;&nbsp;0xF157          </td>
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<p>
Determines whether the list box of a combo box is dropped down. 
<p>
<div class="fragment"><pre class="fragment"> CB_GETIDROPSTATE

 wParam = 0;
 lParam = 0;
</pre></div><p>
<dl compact><dt><b>Returns:</b></dt><dd>If the list box is visible, the return value is TRUE; otherwise, it is FALSE. </dd></dl>

<p>
Definition at line <a class="el" href="combobox_8h-source.htm#l00607">607</a> of file <a class="el" href="combobox_8h-source.htm">combobox.h</a>.    </td>
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<a class="anchor" name="ga0" doxytag="combobox.h::CB_GETEDITSEL"></a><p>
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          <td class="md" nowrap valign="top">#define CB_GETEDITSEL&nbsp;&nbsp;&nbsp;0xF140          </td>
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<p>
Gets the starting and ending character positions of the current selection. 
<p>
An application sends a CB_GETEDITSEL message to get the starting and ending character positions of the current selection in the edit control of a combo box.<p>
<div class="fragment"><pre class="fragment"> <a class="code" href="group__ctrl__combobox__msgs.htm#ga0">CB_GETEDITSEL</a>
 <span class="keywordtype">int</span> start;
 <span class="keywordtype">int</span> end;

 wParam = (<a class="code" href="group__win32__types.htm#ga8">WPARAM</a>)&amp;start;
 lParam = (<a class="code" href="group__win32__types.htm#ga9">LPARAM</a>)&amp;end;
</pre></div><p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>start</em>&nbsp;</td><td>Pointer to a 32-bit value that receives the starting position of the selection. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>end</em>&nbsp;</td><td>Pointer to a 32-bit value that receives the ending position of the selection.</td></tr>
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<dl compact><dt><b>Note:</b></dt><dd>Not implemented yet. </dd></dl>

<p>
Definition at line <a class="el" href="combobox_8h-source.htm#l00218">218</a> of file <a class="el" href="combobox_8h-source.htm">combobox.h</a>.    </td>
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<a class="anchor" name="ga16" doxytag="combobox.h::CB_GETITEMADDDATA"></a><p>
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          <td class="md" nowrap valign="top">#define CB_GETITEMADDDATA&nbsp;&nbsp;&nbsp;0xF150          </td>
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<p>
Retreives the application-supplied 32-bit value associated with the specified item. 
<p>
An application sends an CB_GETITEMADDDATA message to retrive the 32-bit data value associated with with an item in the list box of the combo box.<p>
<div class="fragment"><pre class="fragment"> <a class="code" href="group__ctrl__combobox__msgs.htm#ga16">CB_GETITEMADDDATA</a>
 <span class="keywordtype">int</span> index;

 wParam = (<a class="code" href="group__win32__types.htm#ga8">WPARAM</a>)index;
 lParam = 0;
</pre></div><p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>index</em>&nbsp;</td><td>The index of the item.</td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>The 32-bit data value associated with an item on success, otherwise CB_ERR to indicate an error. </dd></dl>

<p>
Definition at line <a class="el" href="combobox_8h-source.htm#l00510">510</a> of file <a class="el" href="combobox_8h-source.htm">combobox.h</a>.    </td>
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<a class="anchor" name="ga20" doxytag="combobox.h::CB_GETITEMHEIGHT"></a><p>
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          <td class="md" nowrap valign="top">#define CB_GETITEMHEIGHT&nbsp;&nbsp;&nbsp;0xF154          </td>
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<p>
Gets the height of items of the list box in a combo box. 
<p>
<div class="fragment"><pre class="fragment"> <a class="code" href="group__ctrl__combobox__msgs.htm#ga20">CB_GETITEMHEIGHT</a>

 wParam = 0;
 lParam = 0;
</pre></div><p>
<dl compact><dt><b>Returns:</b></dt><dd>The height of item in the list box. </dd></dl>

<p>
Definition at line <a class="el" href="combobox_8h-source.htm#l00588">588</a> of file <a class="el" href="combobox_8h-source.htm">combobox.h</a>.    </td>
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<a class="anchor" name="ga8" doxytag="combobox.h::CB_GETLBTEXT"></a><p>
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          <td class="md" nowrap valign="top">#define CB_GETLBTEXT&nbsp;&nbsp;&nbsp;0xF148          </td>
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<p>
Retreives the string of an item in the list box. 
<p>
An application sends a CB_GETLBTEXT message to retreive the string of a specified item in the list box of a combo box.<p>
<div class="fragment"><pre class="fragment"> <a class="code" href="group__ctrl__combobox__msgs.htm#ga8">CB_GETLBTEXT</a>
 <span class="keywordtype">int</span> index;
 <span class="keywordtype">char</span>* string;

 wParam = (<a class="code" href="group__win32__types.htm#ga8">WPARAM</a>)index;
 lParam = (<a class="code" href="group__win32__types.htm#ga9">LPARAM</a>)string;
</pre></div><p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>index</em>&nbsp;</td><td>The index of the selected item. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>string</em>&nbsp;</td><td>Pointer to the string buffer.</td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>One of the following values:<ul>
<li>CB_OKAY<br>
 Success.</li><li>CB_ERR<br>
 Invalid item index. </li></ul>
</dd></dl>

<p>
Definition at line <a class="el" href="combobox_8h-source.htm#l00373">373</a> of file <a class="el" href="combobox_8h-source.htm">combobox.h</a>.    </td>
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<a class="anchor" name="ga9" doxytag="combobox.h::CB_GETLBTEXTLEN"></a><p>
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          <td class="md" nowrap valign="top">#define CB_GETLBTEXTLEN&nbsp;&nbsp;&nbsp;0xF149          </td>
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<p>
Gets the string length of an item in the list box. 
<p>
An application sends a CB_GETLBTEXTLEN message to get the string length of a specified item in the list box of a combo box.<p>
<div class="fragment"><pre class="fragment"> <a class="code" href="group__ctrl__combobox__msgs.htm#ga9">CB_GETLBTEXTLEN</a>
 <span class="keywordtype">int</span> index;

 wParam = (<a class="code" href="group__win32__types.htm#ga8">WPARAM</a>)index;
 lParam = 0;
</pre></div><p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>index</em>&nbsp;</td><td>The index of the specified item.</td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>The length of the string on success; otherwise CB_ERR. </dd></dl>

<p>
Definition at line <a class="el" href="combobox_8h-source.htm#l00394">394</a> of file <a class="el" href="combobox_8h-source.htm">combobox.h</a>.    </td>
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<a class="anchor" name="ga40" doxytag="combobox.h::CB_GETSPINPACE"></a><p>
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          <td class="md" nowrap valign="top">#define CB_GETSPINPACE&nbsp;&nbsp;&nbsp;0xF168          </td>
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