2. Draw a rectangle 2 under the rectangle 1 just now. This is a submenu, and you can put several text links in it.
3. Select rectangle 2, select custom animation, and select Add Effect → Enter → Gradient Effect.
4. Double-click the effect just added in the effect bar of the custom animation panel to open the dialog box and select the Timing tab.
5. Click the "Trigger" button, select "Start the effect when clicking the following objects", and select "rectangle 1" in the drop-down box.
7. In the same way, add the exit → disappear effect to rectangle 2, and set the trigger as rectangle 1.
8. After the effect is completed, preview the file: click "rectangle 1" and the submenu will appear. Click again, the submenu will disappear, and so on.
9. Tip: If you need more than one such menu, just select two rectangles, copy, paste and modify the text content. 1, first set the screen size to 1024X768, which is suitable for full screen.
2. First set the add effect-Enter in the custom animation dialog box of four pictures, then press Enter to enter the gradient, then continue to click Add Effect-Action Path-Draw Custom Path-Straight Line, and then draw a straight action path from the center of the picture.
3. In the custom animation dialog box on the right, select "Start from the previous item" from the drop-down menu of the action.
Finally, adjust and set the picture action order, and it will be OK! There may be an answer in this.