Welcome to the Microsoft Visual C# .NET samples!

This sample demonstrates how a C# program can interoperate with an unmanaged COM component. This sample contains the source code for the COM Interop Part 1: C# Client Tutorial. Building and Running the Sample Within Visual Studio To build and run the COM Interop Part 1 samples Open the solution (COMInteropPart1.sln). In Solution Explorer, right-click the Interop1 project and click Set as StartUp Project. In Solution Explorer, right-click the Interop1 project and click Properties. Open the Configuration Properties folder and click Debugging. In the Command Line Arguments property, enter an avi file (such as c:\winnt\clock.avi). Click OK. From the Debug menu, click Start Without Debugging. Repeat steps 2 through 7 for Interop2. If the QuartzTypeLib.dll included with Interop1 is out of date In Solution Explorer, open Interop1's References. Right-click QuartzTypeLib and click Remove. Right-click References and click Add Reference. In the COM tab, select the component named "ActiveMovie control type library." Click Select and OK. Rebuild Interop1. Note Adding a reference to the component does the same thing as invoking tlbimp at the command line to create QuartzTypeLib.dll (as in step 2 below). Building and Running the Sample from the Command Line To build and run the COM Interop Part 1 samples Use the cd command to change to the Interop1 directory. Type the following: tlbimp %windir%\system32\quartz.dll /out:QuartzTypeLib.dll csc /r:QuartzTypeLib.dll interop1.cs interop1 %windir%\clock.avi Use the cd command to change to the Interop2 directory. Type the following: csc interop2.cs interop2 %windir%\clock.avi