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TThumbnailPreview.Properties.md

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TThumbnailPreview Properties

In addition to the standard properties of Delphi's TCustomListView control, the TThumbnailPreview control offers the following extra properties:

  • AllowReorder: Boolean
    Specifies whether a user is allowed to reorder pages using the drag and drop operation.

  • DisableTheme: Boolean
    Specifies whether the control should bypass the Windows default theme.

  • DropTarget: Integer (read-only)
    Indicates the page number of the page, which is the drop target of the current drag operation.

  • Grayscale: TThumbnailGrayscale
    TThumbnailGrayscale = (tgsPreview, tgsNever, tgsAlways)
    Determines whether the pages should be displayed in grayscale.

    Value Description
    tgsPreview The pages are displayed in grayscale if the Grayscale property of the attached TPrintPreview control is true
    tgsNever The pages are never displayed in grayscale
    tgsAlways The pages are always displayed in grayscale

  • IsGrayscaled: Boolean (read-only)
    Indicates whether the pages are currently displayed in grayscale.

  • MarkerColor: TColor
    Determines the border color of the page, which is the current page on the attached PrintPreview control.

  • PrintPreview: TPrintPreview
    Determines the TPrintPreview instance that feeds pages to this control.

  • Selected: Integer
    Specifies the page number of the selected page, or zero if no page is selected. In multi-select mode, this property holds the page number of the first page in the selection.

  • SpacingHorizontal: Integer
    Specifies the horizontal space between two pages in pixels.

  • SpacingVertical: Integer
    Specifies the vertical space between two pages in pixels.

  • Zoom: Integer
    Specifies the relative size of each page to its actual page size in percent.