Creating user control
To create User Control in C# select “Windows Forms Control
Library” icon from New Project Dialog Box.
Add some controls and add codes for the controls in User
private void btnColour_Click(object sender, EventArgs e)
//this will change the color of form on which this control is placed.
Now once the control is created we need to built it in order to use in other projects.
Using User Control in project
use user control in our project we need to add that control in project. To add
right click on Toolbox and select “Choose Items”
dialog box “Choose Toolbox Items” will appear. In that dialog box click browse
button and select user control created earlier from bin\debug folder of user
control project, then press Ok.
User control will be added to the project toolbox.
Now we can use the user control.
Screen shot after Execution
of the form changes on button click without doing any coding in the current
form. On button click code of user control is executed.