DropFilesAllowed example for C++ Builder
This example toggles the DropFilesAllowed property.
Add a button to the main form and code its procedure as follows:
void __fastcall TForm1::Button1Click(TObject *Sender)
{
Lead1->DropFilesAllowed= !Lead1->DropFilesAllowed;
if( (Lead1->DropFilesAllowed== TRUE))
Lead1->DropAutoLoad= TRUE;
else
Lead1->DropAutoLoad = FALSE;
}