从形状对象中检索 ActiveX 控件以修改属性
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使用 Aspose.Diagram API，开发人员可以从 Visio 形状对象中检索 ActiveX 控件以设置其所有可用属性。
检索 ActiveX 控件编程示例
形状类提供 ActiveXControl 属性，允许开发人员从 Visio 形状对象检索 ActiveX 控件。开发人员可以在适当的 ActiveX 控件类中转换一个 ActiveX 控件，然后设置它的所有可用属性。
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| // For complete examples and data files, please go to https://github.com/aspose-diagram/Aspose.Diagram-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_VisioActiveXControls(); | |
| // Load and get a Visio page by name | |
| Diagram diagram = new Diagram(dataDir + "Drawing1.vsd"); | |
| Page page = diagram.Pages.GetPage("Page-1"); | |
| // Get a shape by ID | |
| Shape shape = page.Shapes.GetShape(1); | |
| // Get an ActiveX control | |
| CommandButtonActiveXControl cbac = (CommandButtonActiveXControl)shape.ActiveXControl; | |
| // Set width, height and caption of the command button control | |
| cbac.Width = 4; | |
| cbac.Height = 4; | |
| cbac.Caption = "Test Button"; | |
| // Save diagram | |
| diagram.Save(dataDir + "RetrieveActiveXControl_out.vsdx", SaveFileFormat.VSDX); |