Dev6
asked on
2 Problems with COM
i used a TLB to get control over a COM, but have two problems :
1.) I get an error with this parameter
PrivateAlias1 = array[0..14] of Double; {*}
procedure GetElement(Ele: PrivateAlias1); safecall;
procedure SetElement(Ele: PrivateAlias1); safecall;
Error : Illegal type in OLE automation section 'PrivateAlias1'
2.) How can i use the events ?
i got following
_IDocumentEvents = dispinterface
['{39774F01-A2C0-11D3-8955 -00A0C9916 89B}']
procedure AfterDocumentPrint; dispid 3;
procedure AfterDocumentSave; dispid 4;
procedure BeforeDocumentClose; dispid 8;
procedure BeforeDocumentPrint; dispid 9;
procedure BeforeDocumentSave; dispid 10;
procedure OnLeftMouseClick(X: Double; Y: Double; Z: Double); dispid 13;
procedure OnDocumentMerge(const MergeFileName: WideString); dispid 21;
procedure OnMachineModeChange(Machin eMode: espMachiningMode); dispid 22;
procedure OnActiveWorkCoordinateChan ged(const WorkCoordinate:
IDispatch); dispid 33;
procedure OnMachineSetupChanged; dispid 38;
end;
but how can i use them ?
1.) I get an error with this parameter
PrivateAlias1 = array[0..14] of Double; {*}
procedure GetElement(Ele: PrivateAlias1); safecall;
procedure SetElement(Ele: PrivateAlias1); safecall;
Error : Illegal type in OLE automation section 'PrivateAlias1'
2.) How can i use the events ?
i got following
_IDocumentEvents = dispinterface
['{39774F01-A2C0-11D3-8955
procedure AfterDocumentPrint; dispid 3;
procedure AfterDocumentSave; dispid 4;
procedure BeforeDocumentClose; dispid 8;
procedure BeforeDocumentPrint; dispid 9;
procedure BeforeDocumentSave; dispid 10;
procedure OnLeftMouseClick(X: Double; Y: Double; Z: Double); dispid 13;
procedure OnDocumentMerge(const MergeFileName: WideString); dispid 21;
procedure OnMachineModeChange(Machin
procedure OnActiveWorkCoordinateChan
IDispatch); dispid 33;
procedure OnMachineSetupChanged; dispid 38;
end;
but how can i use them ?
ASKER
@Lee_Nover
what do you mean with the first answer ? ("you might already have this .. dunno")
2nd question :
how to initialize the interface for the events ?
what do you mean with the first answer ? ("you might already have this .. dunno")
2nd question :
how to initialize the interface for the events ?
You may want to use
type PrivateAlias1 = array of Double;
type PrivateAlias1 = array of Double;
ASKER
i get the same error
trying to save :
"Out parameters requires pointer type"
trying to save :
"Out parameters requires pointer type"
1: An array of double is not COM-compatible. U should use a SafeArray or a Variant instead.
2: I think you would have to implement the _IDocumentEvents-interface in your client an link it to the server at runtime. Then the server will notify your client in case of any event. Its up to your client, to handle the events then.
Maybe it would help to see the complete interface-definition of the tlb.
HTH,
Thomas
2: I think you would have to implement the _IDocumentEvents-interface
Maybe it would help to see the complete interface-definition of the tlb.
HTH,
Thomas
1: An array of double is not COM-compatible. U should use a SafeArray or a Variant instead.
2: I think you would have to implement the _IDocumentEvents-interface in your client an link it to the server at runtime. Then the server will notify your client in case of any event. Its up to your client, to handle the events then.
Maybe it would help to see the complete interface-definition of the tlb.
HTH,
Thomas
2: I think you would have to implement the _IDocumentEvents-interface
Maybe it would help to see the complete interface-definition of the tlb.
HTH,
Thomas
ASKER CERTIFIED SOLUTION
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
>>you might already have this .. dunno<<
I meant that you might already have the array declared as a type
to create an interface you usualy use CoCreateInstance
if the events interface is a part of some other interface then use QueryInterface on the 'owner' interface
I meant that you might already have the array declared as a type
to create an interface you usualy use CoCreateInstance
if the events interface is a part of some other interface then use QueryInterface on the 'owner' interface
This question is reasonably current, but others below are not. All of them need your attention. ADMINISTRATION WILL BE CONTACTING YOU SHORTLY. Moderators Computer101 or Netminder will return to finalize these if they are still open in 14 days. Experts, please post closing recommendations before that time.
Below are your open questions as of today. Questions which have been inactive for 21 days or longer are considered to be abandoned and for those, your options are:
1. Accept a Comment As Answer (use the button next to the Expert's name).
2. Close the question if the information was not useful to you, but may help others. You must tell the participants why you wish to do this, and allow for Expert response. This choice will include a refund to you, and will move this question to our PAQ (Previously Asked Question) database. If you found information outside this question thread, please add it.
3. Ask Community Support to help split points between participating experts, or just comment here with details and we'll respond with the process.
4. Delete the question (if it has no potential value for others).
--> Post comments for expert of your intention to delete and why
--> YOU CANNOT DELETE A QUESTION with comments; special handling by a Moderator is required.
For special handling needs, please post a zero point question in the link below and include the URL (question QID/link) that it regards with details.
https://www.experts-exchange.com/jsp/qList.jsp?ta=commspt
Please click this link for Help Desk, Guidelines/Member Agreement and the Question/Answer process. https://www.experts-exchange.com/jsp/cmtyHelpDesk.jsp
Click you Member Profile to view your question history and please keep them updated. If you are a KnowledgePro user, use the Power Search option to find them.
Questions which are LOCKED with a Proposed Answer but do not help you, should be rejected with comments added. When you grade the question less than an A, please comment as to why. This helps all involved, as well as others who may access this item in the future. PLEASE DO NOT AWARD POINTS TO ME.
To view your open questions, please click the following link(s) and keep them all current with updates.
https://www.experts-exchange.com/questions/Q.20245299.html
https://www.experts-exchange.com/questions/Q.20244964.html
https://www.experts-exchange.com/questions/Q.20247170.html
https://www.experts-exchange.com/questions/Q.20249440.html
https://www.experts-exchange.com/questions/Q.20250061.html
https://www.experts-exchange.com/questions/Q.20292968.html
https://www.experts-exchange.com/questions/Q.20292970.html
***** E X P E R T S P L E A S E ****** Leave your closing recommendations.
If you are interested in the cleanup effort, please click this link
https://www.experts-exchange.com/jsp/qManageQuestion.jsp?ta=commspt&qid=20274643
POINTS FOR EXPERTS awaiting comments are listed in the link below
https://www.experts-exchange.com/commspt/Q.20277028.html
Moderators will finalize this question if in @14 days Asker has not responded. This will be moved to the PAQ (Previously Asked Questions) at zero points, deleted or awarded.
Thanks everyone.
Moondancer
Moderator @ Experts Exchange
Below are your open questions as of today. Questions which have been inactive for 21 days or longer are considered to be abandoned and for those, your options are:
1. Accept a Comment As Answer (use the button next to the Expert's name).
2. Close the question if the information was not useful to you, but may help others. You must tell the participants why you wish to do this, and allow for Expert response. This choice will include a refund to you, and will move this question to our PAQ (Previously Asked Question) database. If you found information outside this question thread, please add it.
3. Ask Community Support to help split points between participating experts, or just comment here with details and we'll respond with the process.
4. Delete the question (if it has no potential value for others).
--> Post comments for expert of your intention to delete and why
--> YOU CANNOT DELETE A QUESTION with comments; special handling by a Moderator is required.
For special handling needs, please post a zero point question in the link below and include the URL (question QID/link) that it regards with details.
https://www.experts-exchange.com/jsp/qList.jsp?ta=commspt
Please click this link for Help Desk, Guidelines/Member Agreement and the Question/Answer process. https://www.experts-exchange.com/jsp/cmtyHelpDesk.jsp
Click you Member Profile to view your question history and please keep them updated. If you are a KnowledgePro user, use the Power Search option to find them.
Questions which are LOCKED with a Proposed Answer but do not help you, should be rejected with comments added. When you grade the question less than an A, please comment as to why. This helps all involved, as well as others who may access this item in the future. PLEASE DO NOT AWARD POINTS TO ME.
To view your open questions, please click the following link(s) and keep them all current with updates.
https://www.experts-exchange.com/questions/Q.20245299.html
https://www.experts-exchange.com/questions/Q.20244964.html
https://www.experts-exchange.com/questions/Q.20247170.html
https://www.experts-exchange.com/questions/Q.20249440.html
https://www.experts-exchange.com/questions/Q.20250061.html
https://www.experts-exchange.com/questions/Q.20292968.html
https://www.experts-exchange.com/questions/Q.20292970.html
***** E X P E R T S P L E A S E ****** Leave your closing recommendations.
If you are interested in the cleanup effort, please click this link
https://www.experts-exchange.com/jsp/qManageQuestion.jsp?ta=commspt&qid=20274643
POINTS FOR EXPERTS awaiting comments are listed in the link below
https://www.experts-exchange.com/commspt/Q.20277028.html
Moderators will finalize this question if in @14 days Asker has not responded. This will be moved to the PAQ (Previously Asked Questions) at zero points, deleted or awarded.
Thanks everyone.
Moondancer
Moderator @ Experts Exchange
you might already have this .. dunno
for the events simply set them to some procedure
ex:
var DocEvents: _IDocumentEvents;
begin
// do your interface initialization
...
// set the event handler
DocEvents.OnMachineModeCha
...
end;
procedure TForm1.DoMachineModeChange
begin
// some event handler code
end;