- Offizieller Beitrag
Q: Is it possible to insert a bitmap during a mailmerge? I'd like to have a field called "picture" and in the MailMergeGetText have it output a bitmap.
A: You can assign a new TWPObject instance to Contents.obj - that will be inserted into the merge field. But is is also possible (and recommended) to use the TWPObject from the previous mail merge run.
The field is inserted with:
TemplateEdit.InputMergeField('PICTURE','[img]');
This is the event handler (simplified, using 2 TImage objects)
Code
procedure TWPEdTest.OnMailMergeGetText(Sender: TObject; const inspname: String; Contents: TWPMMInsertTextContents);var i : Integer; wpobj : TWPOImage;begin if inspname='PICTURE' then begin // A) - there is no image in this field if Contents.CurrentObject=nil then begin wpobj := TWPOImage.Create(TemplateEdit); // wpobj.LoadFromFile() wpobj.Graphic := Image1.Picture.Graphic; wpobj.WidthTW := wpobj.ContentsWidth; wpobj.HeightTW:= wpobj.ContentsHeight; Contents.obj := wpobj; end else // B) There is an image, we replace the contents begin Contents.CurrentObject.Graphic := Image2.Picture.Graphic; end; end;end;If you need to insert an image from a database you can use code like this (taken from unit WPDBRich = TWPMMDataProvider implementation)
Code
if field is TGraphicField then
wpobj.Picture.Assign(field)
else if field is TBlobField then
begin
blobstream := TMemoryStream.Create;
try
TBlobField(field).SaveToStream(blobstream);
blobstream.Position := 0;
obj.FileExtension := 'BMP';
obj.LoadFromStream(blobstream);
except
// We don't want to see any image errors here !
end;
blobstream.Free;
end;
