how to apply different window form into single window form

Hi,

Two Forms can not be shown in a single other form. But two UserControls can be placed in a single form. so change the forms to usercontrol, Build the project so that the usercontrols will appear in ToolBox. drag and drop on to to another form. you can drag multiple as like as other toolbox controls

Hi, Checkout bellow urls

 

 

http://www.c-sharpcorner.com/UploadFile/84c85b/building-mdi-winforms-application-using-C-Sharp/