1000   Invalid parameter type

Cause

This error occurs if a parameter passed to a method or function has the wrong type or format. For example, when using the JADE Application Programming Interface (API), this error occurs if the format variable in the signature of the DskParam structure has a value that is inconsistent with the primitive type of the expected parameter; for example, the format variable has a flag indicating that the data is an integer but the expected parameter is a string.

This error also occurs if the method passed to the Window class setDragAndDropFiles method:

• Is not on the current Form class or on the targeted Control class

• Signature is not one of the following formats

  • If the method is defined on the form of the targeted window, the required signature is:

    method‑name(win: Window; aray: HugeStringArray);

    The win parameter specifies the window on which the files were dropped and the aray parameter specifies an array of file or directory names that were dropped.

  • If the method is defined on the class of the targeted control targeted, the required signature is:

    method‑name(aray: HugeStringArray);

    The aray parameter specifies an array of file or directory names that were dropped (self is the control instance on which the files were dropped).

• Has a return type defined

Action

Ensure that the correct parameter type or format is used.

With respect to the example earlier in this topic, ensure that when the DskParam structure is used, the format variable in the signature corresponds to the expected parameter type.