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    AutoAlignMode Enumeration
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   [Expand]OptionsCustomizationForm Class
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   [Expand]OptionsItemText Class
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   [Expand]OptionsPrintGroup Class
   [Expand]OptionsPrintItem Class
   [Expand]OptionsTableLayoutGroup Class
   [Expand]OptionsTableLayoutItem Class
   [Collapse]OptionsView Class
     OptionsView Members
     OptionsView Constructor
    [Collapse]OptionsView Properties
      AllowExpandAnimation Property
      AllowGlyphSkinning Property
      AllowHotTrack Property
      AllowItemSkining Property
      AllowItemSkinning Property
      AllowLockSizeIndicators Property
      AllowScaleControlsToDisplayResolution Property
      AllowTransparentBackColor Property
      AlwaysScrollActiveControlIntoView Property
      AutoSizeInLayoutControl Property
      AutoSizeModeInLayoutControl Property
      ControlDefaultMaxSizeCalcMode Property
      DragFadeAnimationFrameCount Property
      DragFadeAnimationSpeed Property
      DrawAdornerLayer Property
      DrawAdornerLayered Property
      DrawItemBorders Property
      EnableIndentsInGroupsWithoutBorders Property
      EnableTransparentBackColor Property
      ExpandAnimationSpeed Property
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 End-User Documentation

OptionsView.EnableTransparentBackColor Property

Allows the parent's background to be seen through the LayoutControl.

Namespace:DevExpress.XtraLayout
Assembly:DevExpress.XtraLayout.v17.1.dll

Expanded Syntax

Property value

Type: Boolean
true if the parent's background is seen through the LayoutControl; otherwise, false.
The default is true.

Expanded Remarks

This property enables the transparency process which is supported by the LayoutControl. If you need an image to be seen through the LayoutControl do the following:

  • set the form's BackgroundImage property to the required image;
  • set the LayoutControl's EnableTransparentBackColor property to true;
  • enable the Flat, UltraFlat, Style3D, Office2003 or WindowsXP paint scheme via the LayoutControl.LookAndFeel property;
  • Specify transparent or semi-transparent colors to use when painting various elements of the LayoutControl. Use a layout group's Appearance... properties to customize the appearance settings. A translucent color is specified by four components: ARGB, where A is the alpha channel, and R, G and B are Red, Green and Blue components.
Note

Setting the EnableTransparentBackColor property to true reduces the control's painting performance.

Note

The transparency feature is not supported in skinning painting schemes.

Expanded Example

The following code shows how to make a LayoutControl transparent.

The LayoutControl doesn't support transparency when a skinning paint scheme is applied. So, to enable transparency, the control should be painted using a non-skinning paint scheme. To select a paint scheme, the LayoutControl.LookAndFeel property is used. By default, controls that have been added to the LayoutControl are painted using the same look and feel as the LayoutControl itself. If a LayoutControl is painted using a non-skinning paint scheme, its controls will also not be skinned. To prevent the controls from taking the look and feel from the LayoutControl, the ShareLookAndFeelWithChildren property must be set to false.

To make a LayoutControl transparent, the background color of the control's layout groups must be set to the Color.Transparent value. To set the transparent background color for all groups at once, the root group's LayoutItemContainer.AppearanceGroup property must be used.

Expanded See Also

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