Get Window hWnd in C#: Simple Code for Window Instance Retrieval

If you are developing an application in C# and need to retrieve the handle of a window, or hWnd, there are several ways to accomplish this. Here is a simple code snippet that demonstrates how to get the hWnd of a window in C#:


[DllImport("user32.dll")]
static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

IntPtr hWnd = FindWindow(null, "Window Title");

In this code, we are using the "user32.dll" library and the FindWindow function, which takes two parameters: the class name of the window and the window title. In this example, we are passing null for the class name and "Window Title" for the window title. You can replace "Window Title" with the title of the window you want to retrieve the hWnd for.

Once you have the hWnd, you can use it to perform various operations on the window, such as sending messages or setting the window's position and size.

In summary, retrieving the hWnd of a window in C# is a simple task that can be accomplished using the FindWindow function from the user32.dll library. Just provide the window title and class name, and you're good to go.

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