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Creating a Stacked Canvas

To create a stacked canvas:

  1. In the Object Navigator, under the Canvases node, double-click the object icon of the content canvas on which you wish to create a stacked canvas.
  2. In the Layout Editor, click the Stacked Canvas button in the toolbar.
  3. Click-drag the region where you want to place the stacked canvas.
    Oracle Forms creates a stacked canvas, and gives it a default name, such as CANVAS6.
  4. In the Object Navigator, under the Canvases node, click the stacked canvas' object icon, then choose Tools | Property Palette.
  5. In the Property Palette, under the Physical, Viewport and Miscellaneous nodes, set properties as follows:
  6. Define the stacked canvas' position in the stacking order.

    If the stacked canvas is not displayed programmatically or in response to navigation, make sure that its position in the stacking order places it in front of the content canvas assigned to the same window. If not, it will be shown behind the content canvas, and will not be visible at runtime. Recall that the stacking order of canvases in a window is defined by the sequence in which they are Listed under the Canvases node in the Object Navigator.