COM/OLE
Working with COM/OLE Object. The COM library is applied for working with the COM/OLE objects, the IDispatch interface and maintains late binding operations. For using this library, it is required to specify the file olecom.g (from lib\olecom subfolder) with include command.
include : $"...\gentee\lib\olecom\olecom.g"| COM/OLE description | A brief description of COM/OLE library. |
| VARIANT | VARIANT type. |
Operators
| type = VARIANT | Assign operation. |
| VARIANT = type | Assign operation. |
| type( VARIANT ) | Conversion. |
Methods
| oleobj.createobj | The method creates a new COM object. |
| oleobj.getres | Result of the last operation. |
| oleobj.iserr | Enables to define whether or not an error occurs while working with a COM object. |
| oleobj.release | Releasing the COM object. |
VARIANT Methods
| variant.arrcreate | Creating the SafeArray array. |
| variant.arrfromg | Assigning a value to an element of the SafeArray array. |
| variant.arrgetptr | Obtaining a pointer to an element of the SafeArray array. |
| variant.clear | Clears the variable contents, the storage area is released if necessary. |
| variant.ismissing | Checks if the variant is "missing" (optional) parameter of the method. |
| variant.isnull | Enables to define whether or not a variable is NULL. |
| variant.setmissing | Sets the "missing" variant. |