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Creates a new image view on the given window covering the area of the given control.
|Component||Version||macOS||Windows||Server||FileMaker Cloud||FileMaker iOS SDK|
|WindowRef||Window Reference is the unique OS level window ID. You can obtain this by using the Window.FindByTitle or Window.FindByIndex functions. Pass zero to access the frontmost window.||0|
|ControlName||The name of the control on your FileMaker form.
e.g. you can place a rectangle there to define the position.
A delta to move drop area more to left or right.
A delta to move drop area more to top or bottom.
Returns image view reference number or error.
DescriptionCreates a new image view on the given window covering the area of the given control.
Use ImageView.Release later to destroy the image view.
If you use a register (tab controls) on the window, be aware that the image view actually is in front of the register (tab controls). So you need to check in the script which register page is current and should show what image view. Or by a trigger you turn the visibility on and off.
Image view reference numbers are starting at 74000 and counting up for each new image view.
If you create a control on a new window, you may do window update command in your script first to have FileMaker actually build the window with controls and display it. A short script pause or using FM.RunScriptLater with 0.1 delay can help having all controls draw themselves. Then you can use this command to put our control on top. We use GetControl() to query left, top, width and height and this gives empty value if control is not yet here.
Creation fails to pick the right window in case the window is selected by name and the window name is not unique. In that case better work with window reference numbers or just pass 0 for current front window.
Create image view with control as placeholder:
Created 14th September 2017, last changed 9th June 2020
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