Windows.Forms Panel dynamically loads the user control UserControl

Create a good one Windows Forms program, FORM1 Add a panel control in the created program

And then add a user control to the program

Add well later again catalog see

Just create it and then pull a few buttons in the user control (to show the effect when the main function is loaded)

And then the form1_load of the main function

First in the namespace plus: using UserControlTest.Controel.tabControel;

In the new class of a user control,

private void Form1_Load (object sender, EventArgs e)
{
USERCONTROL1TC = new UserControl1 ();
THIS.PANEL1.CONTROLS.ADD (TC);
}

A dynamically loaded user control can be obtained by running the project. In this way, you can implement a drop-down list to load different controls by selecting different content.

can be flexible and convenient to use and switch!