Correct typo - CTL -> CTRL (dotnet#7304)

Author: Lucas7yoshi

samples/snippets/cpp/VS_Snippets_Winforms/System.Windows.Forms.Control.DoDragDrop/CPP/form1.cpp

@@ -195,7 +195,7 @@ namespace Snip_DragNDrop
  // Set the effect based upon the KeyState.
  if ( (e->KeyState & (8 + 32)) == (8 + 32) && ((e->AllowedEffect & DragDropEffects::Link) == DragDropEffects::Link) )
  {
- // KeyState 8 + 32 = CTL + ALT
+ // KeyState 8 + 32 = CTRL + ALT
  // Link drag-and-drop effect.
  e->Effect = DragDropEffects::Link;
  }
@@ -214,7 +214,7 @@ namespace Snip_DragNDrop
  else
  if ( (e->KeyState & 8) == 8 && ((e->AllowedEffect & DragDropEffects::Copy) == DragDropEffects::Copy) )
  {
- // CTL KeyState for copy.
+ // CTRL KeyState for copy.
  e->Effect = DragDropEffects::Copy;
  }
  else

samples/snippets/csharp/VS_Snippets_Winforms/System.Windows.Forms.Control.DoDragDrop/CS/form1.cs

@@ -199,7 +199,7 @@ private void ListDragTarget_DragOver(object sender, DragEventArgs e)
  if ((e.KeyState & (8 + 32)) == (8 + 32) &&
  (e.AllowedEffect & DragDropEffects.Link) == DragDropEffects.Link)
  {
- // KeyState 8 + 32 = CTL + ALT
+ // KeyState 8 + 32 = CTRL + ALT
 
  // Link drag-and-drop effect.
  e.Effect = DragDropEffects.Link;
@@ -219,7 +219,7 @@ private void ListDragTarget_DragOver(object sender, DragEventArgs e)
  else if ((e.KeyState & 8) == 8 &&
  (e.AllowedEffect & DragDropEffects.Copy) == DragDropEffects.Copy)
  {
- // CTL KeyState for copy.
+ // CTRL KeyState for copy.
  e.Effect = DragDropEffects.Copy;
  }
  else if ((e.AllowedEffect & DragDropEffects.Move) == DragDropEffects.Move)

samples/snippets/visualbasic/VS_Snippets_Winforms/System.Windows.Forms.Control.DoDragDrop/VB/form1.vb

@@ -181,7 +181,7 @@ Public NotInheritable Class Form1
  ' Set the effect based upon the KeyState.
  If ((e.KeyState And (8 + 32)) = (8 + 32) And
  (e.AllowedEffect And DragDropEffects.Link) = DragDropEffects.Link) Then
- ' KeyState 8 + 32 = CTL + ALT
+ ' KeyState 8 + 32 = CTRL + ALT
 
  ' Link drag-and-drop effect.
  e.Effect = DragDropEffects.Link
@@ -201,7 +201,7 @@ Public NotInheritable Class Form1
  ElseIf ((e.KeyState And 8) = 8 And
  (e.AllowedEffect And DragDropEffects.Copy) = DragDropEffects.Copy) Then
 
- ' CTL KeyState for copy.
+ ' CTRL KeyState for copy.
  e.Effect = DragDropEffects.Copy
 
  ElseIf ((e.AllowedEffect And DragDropEffects.Move) = DragDropEffects.Move) Then