/*____________________________________________________

     W O R K I N G   W I T H   M D I   P R O J E C T S
	                             Ron Kessler
	                     Created 11/05/2014

This shows how to create a Multiple Document Inteface project like
MS Office uses.

A main parent form controls the child forms inside.
Also shows how to work with drop down menus

   _____________________________________________________
*/
//************ADD THE FORMS WE WILL ACCESS FROM HERE*************
#include "Customers.h";
#include "frmManager.h";
#include "General.h";

//use the view menu to display the form they want

private: System::Void View_Customer_Click(System::Object^  sender, System::EventArgs^  e) 
			 {
			         //---you must tell the customers form who its parent is
					Form^ myCustomers = gcnew Customers;
					myCustomers->MdiParent=this;
					myCustomers->Show();             
			 }

private: System::Void View_Manager_Click(System::Object^  sender, System::EventArgs^  e) 
			 {
			        //---you must tell the manager form who its parent is
					Form^ myManager = gcnew frmManager;
					myManager->MdiParent=this;
					myManager->Show();            
			 
			 }


#pragma region WINDOW MENU
//how to tile/cascade forms inside the MDI parent form
private: System::Void Window_Vert_Click(System::Object^  sender, System::EventArgs^  e) 
			 {
			      this->LayoutMdi(MdiLayout::TileVertical);
                 			 
			 }
private: System::Void Window_Horizontal_Click(System::Object^  sender, System::EventArgs^  e) 
			 {
			      this->LayoutMdi(MdiLayout::TileHorizontal);
			 }
private: System::Void Window_Cascade_Click(System::Object^  sender, System::EventArgs^  e) 
			 {
			   
			      this->LayoutMdi(MdiLayout::Cascade);
		 
			 }
#pragma endregion


#pragma region FILE MENU
//close the active form then the whole app using Application::Exit();
private: System::Void File_Close_Click(System::Object^  sender, System::EventArgs^  e) 
			 {
                 //---find the active form and close 
			     Form^ myActiveForm = this->ActiveMdiChild;   //this is pointing to the active form not creating one
				 if(myActiveForm != nullptr)                             //you cannot close something that does not exist
					 myActiveForm->Close();
					 
			 }
private: System::Void File_Exit_Click(System::Object^  sender, System::EventArgs^  e) 
			 {
			      Application::Exit();            //use this for multi-form apps
			 
			 }

#pragma endregion