object E →000002= LoadExternCLC("DataExchange_Extern.clc");
// This is input structure for extern CLC
//
// If any required parameter is missing, call ExternCLC will fail
//
// We use 'Structure' constructor, which allows us to initialize all values in one step
object Input →000003= new Structure(
"A", Width,
"B", Height,
"C", Depth
);
// We can set additional properties of 'Input' afterwards
IF(CHB) {
→000023Input.Set("ρ", ρ);
}
// Call extern CLC
// Input - contains all input values for ExternCLC
// Output - contains all result values provided by ExternCLC
//
// SDF automatically call 'ValidateInput' function before ANY external code is executed
// If 'ValidateInput' returns 'true' AND no exception is thrown:
// ExternCLC is executed
// 'GetOutput' is called to set up 'Output' value
// If 'ValidateInput' returns 'false' OR any exception is thrown:
// ExternCLC is NOT executed
// 'Ouptut' value is set to NULL
→000004E.Draw(Input, Output);
// check if call was successfull
IF(Output != null) {
→000020TEXT("Calculation executed successfully.");
→000012TEXT("Output: " & Output.ToString()); // output contains all results from ExternCLC
} ELSE {
→000022TEXT("Output: null"); // call to ExternCLC failed => output is null
→000021TEXT("Table of errors, warnings and notes:");
→000019EWN.DrawTable(); // EWN generated in ExternCLC.ValidateInput is visible here
}
→000024IMG("ExternCLC");
http://designforms.net
Calculation
Manually input density
Layout 0
Layout 1
Layout 2
Layout 3
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Layout 5
-
"Output: " & Output.ToString()
-
"Calculation executed successfully."
-
"Table of errors, warnings and notes:"
-
"Output: null"