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Docs: LCL/grids. Updates the TCustomGrid.MouseToGridZone topic for changes in d70fd7f2. Issue #41681.

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dsiders 2025-05-31 11:28:16 -04:00
parent 195a602435
commit 483f6fb5ce
1 changed files with 26 additions and 4 deletions
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docs/xml/lcl/grids.xml
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@ -20622,8 +20622,8 @@ TPoint instance with the physical mouse coordinates in its X and Y members.
<element name="TCustomGrid.MouseToGridZone">
<short>
Converts the specified coordinates for the mouse pointer to the grid zone
where they are located.
Converts the specified mouse coordinates to the grid zone where the
coordinates are located.
</short>
<descr>
<p>
@ -20633,7 +20633,7 @@ grid zone where the specified mouse pointer coordinates are located. The
the mouse pointer is located.
</p>
<p>
The return value is a <var>TGridZone</var> enumeration value determine by
The return value is a <var>TGridZone</var> enumeration value determined by
comparing the screen coordinates to the cached sizes and offsets for the grid
control. The screen coordinates are converted to cell coordinates when
available, and used to the determine the return value.
@ -20646,7 +20646,7 @@ client area for the control.
</dd>
<dt>gzFixedCells</dt>
<dd>
X and Y are located in the fixed header cell (column 0) on the control.
X and Y are both located in a fixed header cell (located in column 0 row 0).
</dd>
<dt>gzFixedRows</dt>
<dd>
@ -20661,9 +20661,31 @@ X and Y are located in a fixed header cell for a column on the control.
X and Y are located in a non-fixed cell in the display area for the control.
</dd>
</dl>
<p>
MouseToGridZone is called during execution of the MouseMove method. It occurs
after the OnMouseMove event handler has been signalled (when assigned), and
before cached grid data (in GCache) are updated for the mouse movement.
</p>
<p>
Use CellToGridZone to get the grid zone for a cell at a specific column and
row number.
</p>
</descr>
<seealso>
<link id="TCustomGrid.BorderStyle"/>
<link id="TCustomGrid.Flat"/>
<link id="TCustomGrid.FixedRows"/>
<link id="TCustomGrid.FixedCols"/>
<link id="TCustomGrid.GCache"/>
<link id="TCustomGrid.OffsetToColRow"/>
<link id="TCustomGrid.MouseToCell"/>
<link id="TCustomGrid.MouseMove"/>
<link id="TCustomGrid.CellToGridZone"/>
<link id="TGridZone"/>
<link id="#lcl.controls.TControl.MouseMove">TControl.MouseMove</link>
<link id="#lcl.controls.TControl.OnMouseMove">TControl.OnMouseMove</link>
<link id="#lcl.controls.TControl.UseRightToLeftAlignment">TControl.UseRightToLeftAlignment</link>
<link id="#lcl.controls.TControl.BiDiMode">TControl.BiDiMode</link>
</seealso>
</element>
<element name="TCustomGrid.MouseToGridZone.Result">