source.cpp

#using <System.Windows.Forms.dll>
#using <System.dll>
#using <System.Data.dll>
#using <System.Drawing.dll>

usingnamespaceSystem;
usingnamespaceSystem::Data;
usingnamespaceSystem::ComponentModel;
usingnamespaceSystem::Windows::Forms;
usingnamespaceSystem::Drawing;

public ref classForm1: publicForm
{
protected:
 TextBox^ textBox1;
 TextBox^ pictureBox1;
 System::Windows::Forms::ContextMenu^ contextMenu1;

// <Snippet1>
private:
voidMyPopupEventHandler( System::Object^ /*sender*/, System::EventArgs^ /*e*/ )
 {
// Define the MenuItem objects to display for the TextBox.
 MenuItem^ menuItem1 = gcnew MenuItem( "&Copy" );
 MenuItem^ menuItem2 = gcnew MenuItem( "&Find and Replace" );
// Define the MenuItem object to display for the PictureBox.
 MenuItem^ menuItem3 = gcnew MenuItem( "C&hange Picture" );

// Clear all previously added MenuItems.
 contextMenu1->MenuItems->Clear();

if ( contextMenu1->SourceControl == textBox1 )
 {

// Add MenuItems to display for the TextBox.
 contextMenu1->MenuItems->Add( menuItem1 );
 contextMenu1->MenuItems->Add( menuItem2 );
 }
elseif ( contextMenu1->SourceControl == pictureBox1 )
 {
// Add the MenuItem to display for the PictureBox.
 contextMenu1->MenuItems->Add( menuItem3 );
 }
 }
// </Snippet1>
};